Carbohydrate Polymer Technologies and Applications最新文献

英文中文

N-Trimethylation of nanochitin for high dispersibility and pH-independent antibacterial activity

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-24 DOI: 10.1016/j.carpta.2025.100688

Masaki Kawamoto , Toshifumi Mizuta , Hironori Kaminaka , Masaaki Akamatsu , Shinsuke Ifuku

Partially deacetylated nanochitins (NH₂NCs) possess cationic properties that allow their stable dispersion in acidic water. Their surface charge plays a crucial role in their antibacterial functions, which occur through electrostatic interactions. However, NH₂NCs lose their positive charge upon deprotonation under basic conditions, leading to aggregation and significant reductions in their effectiveness. Thus, a strategy to maintain the positive charge of the material regardless of the pH must be developed. In this study, NH₂NCs were modified by N-trimethylation to prevent the loss of their positive charge. The total degree of substitution for methyl groups was 0.96, while that for N-trimethylamino groups was 0.15, as determined by ¹³C NMR spectroscopy, FT-IR spectroscopy, elemental analysis, and conductivity titration. The structure of the modified NH₂NCs contained N-methyl, N-dimethyl, and O-methyl groups. Methylated nanochitins (MeNCs) maintained a positive zeta potential regardless of the pH owing to the presence of quaternary ammonium salts. Thus, they remained stably dispersed, even under basic conditions. Furthermore, their high surface charge improved their grinding efficiency and reduced their proportion of large agglomerated particles. Whereas the NH₂NCs lost their antibacterial properties against Staphylococcus aureus at neutral to basic pH levels, the MeNCs retained their high antibacterial effectiveness. The improvement of dispersibility and antibacterial properties through chemical modification will promote the use of nanochitin, derived from waste crab shells, in cosmetics and health foods.

{"title":"N-Trimethylation of nanochitin for high dispersibility and pH-independent antibacterial activity","authors":"Masaki Kawamoto , Toshifumi Mizuta , Hironori Kaminaka , Masaaki Akamatsu , Shinsuke Ifuku","doi":"10.1016/j.carpta.2025.100688","DOIUrl":"10.1016/j.carpta.2025.100688","url":null,"abstract":"<div><div>Partially deacetylated nanochitins (NH<sub>2</sub>NCs) possess cationic properties that allow their stable dispersion in acidic water. Their surface charge plays a crucial role in their antibacterial functions, which occur through electrostatic interactions. However, NH<sub>2</sub>NCs lose their positive charge upon deprotonation under basic conditions, leading to aggregation and significant reductions in their effectiveness. Thus, a strategy to maintain the positive charge of the material regardless of the pH must be developed. In this study, NH<sub>2</sub>NCs were modified by <em>N</em>-trimethylation to prevent the loss of their positive charge. The total degree of substitution for methyl groups was 0.96, while that for <em>N</em>-trimethylamino groups was 0.15, as determined by <sup>13</sup>C NMR spectroscopy, FT-IR spectroscopy, elemental analysis, and conductivity titration. The structure of the modified NH<sub>2</sub>NCs contained <em>N</em>-methyl, <em>N</em>-dimethyl, and <em>O</em>-methyl groups. Methylated nanochitins (MeNCs) maintained a positive zeta potential regardless of the pH owing to the presence of quaternary ammonium salts. Thus, they remained stably dispersed, even under basic conditions. Furthermore, their high surface charge improved their grinding efficiency and reduced their proportion of large agglomerated particles. Whereas the NH<sub>2</sub>NCs lost their antibacterial properties against <em>Staphylococcus aureus</em> at neutral to basic pH levels, the MeNCs retained their high antibacterial effectiveness. The improvement of dispersibility and antibacterial properties through chemical modification will promote the use of nanochitin, derived from waste crab shells, in cosmetics and health foods.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100688"},"PeriodicalIF":6.2,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phosphorylated cellulose nanocrystals/polyvinyl alcohol-L arginine coating in facilitated transport membranes for biogas purification

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-23 DOI: 10.1016/j.carpta.2025.100679

S Nithin Mithra, Sandeep S. Ahankari

Biogas is a renewable fuel consisting of CH₄ (∼60–70 %) and CO₂ (∼30–40 %) and can be utilised as a biofuel if CH₄ is enriched. In this work, CNC was phosphorylated and the varied concentrations (0–2 wt.%) of phosphorylated cellulose nanocrystals (PCNC) were dispersed in polyvinyl alcohol (PVA)-L Arginine (PVA-LA) matrix for its utility as a “selective layer” in biogas purification. This selective layer was coated on the surface of highly porous poly(ether-sulfone) (PESF) hollow fibers for the facilitated transport of CO₂ from biogas with l-Arginine as the mobile carrier. These membranes (coated hollow fibers) were stacked straight inside a membrane chamber, spaced 1 mm apart, and biogas was fed over its surface at 90 % RH and different feed pressures (0.8–1 bar) for varying PCNC concentrations. It was observed that CO₂ permeability increased with the increase in PCNC concentration (21177 barrer for 1PCNC/PVA-LA), but the selectivity of 33 decreased after 1PCNC/PVA-LA. At higher PCNC concentrations (2PCNC/PVA-LA), a very high permeability (25772 Barrer) and reduced selectivity (10) was observed. Overall, a combination of hydrophilicity induced by the PCNC in PVA along with l-Arginine for CO₂ transport aided the separation of CO₂ from biogas when operating at low pressure conditions.

{"title":"Phosphorylated cellulose nanocrystals/polyvinyl alcohol-L arginine coating in facilitated transport membranes for biogas purification","authors":"S Nithin Mithra, Sandeep S. Ahankari","doi":"10.1016/j.carpta.2025.100679","DOIUrl":"10.1016/j.carpta.2025.100679","url":null,"abstract":"<div><div>Biogas is a renewable fuel consisting of CH<sub>4</sub> (∼60–70 %) and CO<sub>2</sub> (∼30–40 %) and can be utilised as a biofuel if CH<sub>4</sub> is enriched. In this work, CNC was phosphorylated and the varied concentrations (0–2 wt.%) of phosphorylated cellulose nanocrystals (PCNC) were dispersed in polyvinyl alcohol (PVA)-L Arginine (PVA-LA) matrix for its utility as a “selective layer” in biogas purification. This selective layer was coated on the surface of highly porous poly(ether-sulfone) (PESF) hollow fibers for the facilitated transport of CO<sub>2</sub> from biogas with l-Arginine as the mobile carrier. These membranes (coated hollow fibers) were stacked straight inside a membrane chamber, spaced 1 mm apart, and biogas was fed over its surface at 90 % RH and different feed pressures (0.8–1 bar) for varying PCNC concentrations. It was observed that CO<sub>2</sub> permeability increased with the increase in PCNC concentration (21177 barrer for 1PCNC/PVA-LA), but the selectivity of 33 decreased after 1PCNC/PVA-LA. At higher PCNC concentrations (2PCNC/PVA-LA), a very high permeability (25772 Barrer) and reduced selectivity (10) was observed. Overall, a combination of hydrophilicity induced by the PCNC in PVA along with l-Arginine for CO<sub>2</sub> transport aided the separation of CO<sub>2</sub> from biogas when operating at low pressure conditions.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100679"},"PeriodicalIF":6.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Characterization and emulsification properties of amylose inclusion complexes prepared from corn starch and plant oil derived fatty acid sodium salt mixtures

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-22 DOI: 10.1016/j.carpta.2025.100682

Gordon W. Selling , James A. Kenar , Steven C. Cermak , Milagros P. Hojilla-Evangelista , William T. Hay , Kelly D. Utt , Bret J. Chisholm

Starch is often chemically modified to improve its emulsification properties for food processing applications. Amylose inclusion complexes prepared using single pure fatty acid salts have been shown to be effective emulsifiers but these salts could be prohibitively expensive for industrial production. Therefore, amylose inclusion complex were prepared by steam jet cooking using more economical fatty acid salt mixtures of differing compositions derived from different plant oils. Complexes were obtained in 92–96 % yield and had good surface active properties regardless of the fatty acid salt composition. The complexes exhibited Type I 6₁V helical crystalline structures. Fourier transform infrared and nuclear magnetic resonance spectroscopy confirmed complex formation. Aqueous suspensions of the complexes had Newtonian behavior with viscosities and surface tensions between 0.0020 to 0.0028 Pa s and 43 and 49 mN m⁻¹, respectively. Complexes emulsified corn oil at a 1:3 ratio of corn oil to complex suspensions, giving emulsion activity and stability indices between 180–213 m² g⁻¹ and 33–41 min, respectively. These complexes prepared from an array of more economical fatty acid salt mixtures performed comparably to more costly complexes prepared from pure individual fatty acid salts. These starch-based emulsifiers are produced using industrially available equipment making them desirable for food and nonfood applications.

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引用次数: 0

Oxidation-resistant and highly sensitive cellulose paper pressure sensor for wearable electronics

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-21 DOI: 10.1016/j.carpta.2025.100672

Deristisya Zahra , Mohammad Zarei , Jinwoo Hwang , Eunho Lee , Seung Goo Lee

Nonbiodegradable polymers widely used in wearable electronics and sensors contribute significantly to e-waste and environmental toxicity. While the integration of biodegradable biopolymers offers a promising solution, their application is hindered by challenges in achieving reliable conductivity, sensitivity, and stability. In this study, we develop a biodegradable cellulose paper pressure sensor coated with silver nanowires (AgNWs), Ti₃C₂Tx (MXene), and reduced graphene oxide (rGO). The AgNWs/MXene/rGO-coated cellulose paper capacitive pressure sensor demonstrates high sensitivity (1.031 kPa⁻¹) over a wide pressure range (0–40 kPa), remarkable robustness (5000 cycles), and excellent sensing stability (>44 days). Moreover, the incorporation of rGO nanosheets enhances the resistance and stability of the AgNWs/MXene-coated paper-based composite against oxidation. Furthermore, various sensory architectures, including origami butterfly and kirigami snowflake pressure sensors, have been demonstrated using AgNWs/MXene/rGO-coated cellulose paper for a wide range of physiological sensing applications. These diverse applications highlight the versatility, adaptability, and applicability of the AgNWs/MXene/rGO-coated paper-based capacitive pressure sensor for fabricating biodegradable wearable sensors.

{"title":"Oxidation-resistant and highly sensitive cellulose paper pressure sensor for wearable electronics","authors":"Deristisya Zahra , Mohammad Zarei , Jinwoo Hwang , Eunho Lee , Seung Goo Lee","doi":"10.1016/j.carpta.2025.100672","DOIUrl":"10.1016/j.carpta.2025.100672","url":null,"abstract":"<div><div>Nonbiodegradable polymers widely used in wearable electronics and sensors contribute significantly to e-waste and environmental toxicity. While the integration of biodegradable biopolymers offers a promising solution, their application is hindered by challenges in achieving reliable conductivity, sensitivity, and stability. In this study, we develop a biodegradable cellulose paper pressure sensor coated with silver nanowires (AgNWs), Ti<sub>3</sub>C<sub>2</sub>Tx (MXene), and reduced graphene oxide (rGO). The AgNWs/MXene/rGO-coated cellulose paper capacitive pressure sensor demonstrates high sensitivity (1.031 kPa<sup>−1</sup>) over a wide pressure range (0–40 kPa), remarkable robustness (5000 cycles), and excellent sensing stability (>44 days). Moreover, the incorporation of rGO nanosheets enhances the resistance and stability of the AgNWs/MXene-coated paper-based composite against oxidation. Furthermore, various sensory architectures, including origami butterfly and kirigami snowflake pressure sensors, have been demonstrated using AgNWs/MXene/rGO-coated cellulose paper for a wide range of physiological sensing applications. These diverse applications highlight the versatility, adaptability, and applicability of the AgNWs/MXene/rGO-coated paper-based capacitive pressure sensor for fabricating biodegradable wearable sensors.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100672"},"PeriodicalIF":6.2,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Pectin-based edible films and coatings: From extraction to application on food packaging towards circular economy- A review

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-21 DOI: 10.1016/j.carpta.2025.100680

Adiansyah Syarifuddin , Muhammad Hanif Muflih , Nur Izzah , Ummul Fadillah , Andi Fadiah Ainani , Andi Dirpan

Pectin-based edible films and coatings have witnessed significant application in fresh food and processed food due to their functionalities as a carrier for active compounds and as a barrier against moisture and gases, which can help maintain the freshness and prolong the shelf-life of food products without sacrificing the sensory acceptance of food products. The current review covers the source and extraction methods of pectin, the use of plasticizers and active agents, the fabrication methods employed, and the application of these films and coating on food products. Thus, using pectin-based edible films and coatings in the food industry is important because it reduces agricultural waste and utilizes by-products of the food processing industry, thereby stimulating sustainable food packaging towards a circular economy.

引用次数: 0

Sapropel-enriched sodium carboxymethyl cellulose gel systems: formulation approaches, stability and bioactive potential

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-17 DOI: 10.1016/j.carpta.2025.100669

Aneka Kļaviņa , Jeļena Reste , Inese Mārtiņsone , Ivars Vanadziņš , Inna Juhņeviča , Ilona Pavlovska

Sapropel, a sediment rich in organic matter and bioactive compounds, has significant potential for pharmaceutical and cosmetic applications. This study aimed to develop a stable, water-soluble hydrogel containing sapropel extract as a delivery platform for these bioactive compounds. Sodium carboxymethylcellulose (Na-CMC) was used as a gelling agent in eight formulations, with or without sapropel extract, and buffer solutions (NaCl, MgSO₄, MgCl₂). The gels were evaluated for organoleptic properties, pH, viscosity, stability, and thermal resistance over a 2-year period under different storage conditions.

All sapropel extract containing formulations exhibited a smooth, homogeneous and light-yellow appearance with good stability and spread ability. The pH levels ranged from 4.7 to 7.4, within the acceptable range for skin application, although formulations with MgCl₂ showed greater pH fluctuations. Viscosity analyses revealed that sapropel extract decreased viscosity, particularly under fluctuating temperatures. MgSO₄-buffered formulations exhibited the most stable viscosity over time. However, some formulations demonstrated decreased stability and viscosity after prolonged exposure to elevated temperatures and UV light. Centrifugal and thermal tests confirmed the physical stability of the gels, with no phase separation observed.

Overall, the study confirms the feasibility of incorporating sapropel extract into stable, water-soluble hydrogels, making them suitable for potential therapeutic and cosmetic uses.

{"title":"Sapropel-enriched sodium carboxymethyl cellulose gel systems: formulation approaches, stability and bioactive potential","authors":"Aneka Kļaviņa , Jeļena Reste , Inese Mārtiņsone , Ivars Vanadziņš , Inna Juhņeviča , Ilona Pavlovska","doi":"10.1016/j.carpta.2025.100669","DOIUrl":"10.1016/j.carpta.2025.100669","url":null,"abstract":"<div><div>Sapropel, a sediment rich in organic matter and bioactive compounds, has significant potential for pharmaceutical and cosmetic applications. This study aimed to develop a stable, water-soluble hydrogel containing sapropel extract as a delivery platform for these bioactive compounds. Sodium carboxymethylcellulose (Na-CMC) was used as a gelling agent in eight formulations, with or without sapropel extract, and buffer solutions (NaCl, MgSO<sub>4</sub>, MgCl<sub>2</sub>). The gels were evaluated for organoleptic properties, pH, viscosity, stability, and thermal resistance over a 2-year period under different storage conditions.</div><div>All sapropel extract containing formulations exhibited a smooth, homogeneous and light-yellow appearance with good stability and spread ability. The pH levels ranged from 4.7 to 7.4, within the acceptable range for skin application, although formulations with MgCl<sub>2</sub> showed greater pH fluctuations. Viscosity analyses revealed that sapropel extract decreased viscosity, particularly under fluctuating temperatures. MgSO<sub>4</sub>-buffered formulations exhibited the most stable viscosity over time. However, some formulations demonstrated decreased stability and viscosity after prolonged exposure to elevated temperatures and UV light. Centrifugal and thermal tests confirmed the physical stability of the gels, with no phase separation observed.</div><div>Overall, the study confirms the feasibility of incorporating sapropel extract into stable, water-soluble hydrogels, making them suitable for potential therapeutic and cosmetic uses.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100669"},"PeriodicalIF":6.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cyclodextrin-based nanocarriers as promising scaffolds for overcoming challenges of doxorubicin delivery in cancer chemotherapy

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-16 DOI: 10.1016/j.carpta.2025.100677

Sara Payamifar , Amin Foroozandeh , Mehrab Pourmadadi , Majid Abdouss , Mohammad Hasanzadeh

Pharmacotherapy, a cornerstone in cancer treatment, faces significant challenges due to the inherent water-insolubility of many potent anticancer drugs. Cyclodextrins (CDs) have emerged as a promising solution in the field of drug delivery. This review highlights the use of CD-based nanocarrier systems as a transformative approach for encapsulating and precisely delivering doxorubicin (DOX) in cancer therapy. By exploring the synergistic potential of these nanocarriers, this study emphasizes their capability to overcome longstanding challenges and advance the frontiers of cancer treatment. Additionally, this review surveyed the application of CDs-incorporated nanoparticles for the targeted delivery of DOX. Then, several challenges associated with the effective pharmacotherapy of cancer using CDs-DOX, including issues related to drug loading and maintaining consistent release profiles that achieve high and sustained drug loading levels over time. In conclusion, by incorporating CDs into their formulations, it is anticipate the development of advanced chemotherapy agents that effectively address the challenges of efficient cancer treatment. Looking ahead, the ongoing advancement of nanocarrier systems comprising CD-based molecules holds great promise for improving the quality of life for patients worldwide. This study outlines how CDs address issues such as inconsistent drug loading and sustained release, aiming to achieve high and prolonged drug levels. The point that incorporating CDs could lead to the development of advanced chemotherapy agents that improve patient quality of life highlights a forward-looking and innovative aspect. By exploring CD-incorporated nanoparticles for the targeted delivery of DOX, the study aligns with cutting-edge research trends in precision medicine. The focus on CDs as nanocarrier scaffolds to address longstanding challenges in drug delivery is a key novel aspect. This overview collectively underscores the novel contributions of the study in advancing cancer chemotherapy through innovative nanotechnology.

{"title":"Cyclodextrin-based nanocarriers as promising scaffolds for overcoming challenges of doxorubicin delivery in cancer chemotherapy","authors":"Sara Payamifar , Amin Foroozandeh , Mehrab Pourmadadi , Majid Abdouss , Mohammad Hasanzadeh","doi":"10.1016/j.carpta.2025.100677","DOIUrl":"10.1016/j.carpta.2025.100677","url":null,"abstract":"<div><div>Pharmacotherapy, a cornerstone in cancer treatment, faces significant challenges due to the inherent water-insolubility of many potent anticancer drugs. Cyclodextrins (CDs) have emerged as a promising solution in the field of drug delivery. This review highlights the use of CD-based nanocarrier systems as a transformative approach for encapsulating and precisely delivering doxorubicin (DOX) in cancer therapy. By exploring the synergistic potential of these nanocarriers, this study emphasizes their capability to overcome longstanding challenges and advance the frontiers of cancer treatment. Additionally, this review surveyed the application of CDs-incorporated nanoparticles for the targeted delivery of DOX. Then, several challenges associated with the effective pharmacotherapy of cancer using CDs-DOX, including issues related to drug loading and maintaining consistent release profiles that achieve high and sustained drug loading levels over time. In conclusion, by incorporating CDs into their formulations, it is anticipate the development of advanced chemotherapy agents that effectively address the challenges of efficient cancer treatment. Looking ahead, the ongoing advancement of nanocarrier systems comprising CD-based molecules holds great promise for improving the quality of life for patients worldwide. This study outlines how CDs address issues such as inconsistent drug loading and sustained release, aiming to achieve high and prolonged drug levels. The point that incorporating CDs could lead to the development of advanced chemotherapy agents that improve patient quality of life highlights a forward-looking and innovative aspect. By exploring CD-incorporated nanoparticles for the targeted delivery of DOX, the study aligns with cutting-edge research trends in precision medicine. The focus on CDs as nanocarrier scaffolds to address longstanding challenges in drug delivery is a key novel aspect. This overview collectively underscores the novel contributions of the study in advancing cancer chemotherapy through innovative nanotechnology.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100677"},"PeriodicalIF":6.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tuning properties of native potato starch by combining heat-moisture treatment with ion exchange

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-16 DOI: 10.1016/j.carpta.2025.100675

Johanna A. Thomann , Michael Polhuis , J.O.P. Broekman , Peter J. Deuss , Hero J. Heeres , André Heeres

This study provides insights into novel combinations of hydrothermal modifications and mineral enrichment by demonstrating the versatility of this environmentally more benign approach compared to other common chemical starch modifications like crosslinking. Heat-moisture treatment (HMT) (15 % moisture, 100 °C) of native potato starch (NPS) affords granular products that gelatinise at lower temperatures, hold more water as gel, and are more susceptible to enzymatic digestion. Prior mineral enrichment of NPS with sodium, potassium, magnesium and calcium ions yielded significant changes in pasting curves, with monovalent cations increasing peak viscosity, while divalent cations decrease peak viscosity through ionic crosslinking of phosphate groups, allowing further fine tuning of swelling behaviour. Both short and long HMT (4 h and 16 h) triggered partial disruption of crystallinity and an increase in particle size without visible surface damage as evidenced by X-ray diffraction, laser diffraction and scanning electron microscopy. These novel products may find applications where a thickening agent is needed, and high levels of target minerals are desirable like sport nutrition. The viscosity behaviour, available energy and essential minerals may be beneficial to the formulation and nutritional value of energy gels, while adhering to clean-label requirements of today`s food industry.

{"title":"Tuning properties of native potato starch by combining heat-moisture treatment with ion exchange","authors":"Johanna A. Thomann , Michael Polhuis , J.O.P. Broekman , Peter J. Deuss , Hero J. Heeres , André Heeres","doi":"10.1016/j.carpta.2025.100675","DOIUrl":"10.1016/j.carpta.2025.100675","url":null,"abstract":"<div><div>This study provides insights into novel combinations of hydrothermal modifications and mineral enrichment by demonstrating the versatility of this environmentally more benign approach compared to other common chemical starch modifications like crosslinking. Heat-moisture treatment (HMT) (15 % moisture, 100 °C) of native potato starch (NPS) affords granular products that gelatinise at lower temperatures, hold more water as gel, and are more susceptible to enzymatic digestion. Prior mineral enrichment of NPS with sodium, potassium, magnesium and calcium ions yielded significant changes in pasting curves, with monovalent cations increasing peak viscosity, while divalent cations decrease peak viscosity through ionic crosslinking of phosphate groups, allowing further fine tuning of swelling behaviour. Both short and long HMT (4 h and 16 h) triggered partial disruption of crystallinity and an increase in particle size without visible surface damage as evidenced by X-ray diffraction, laser diffraction and scanning electron microscopy. These novel products may find applications where a thickening agent is needed, and high levels of target minerals are desirable like sport nutrition. The viscosity behaviour, available energy and essential minerals may be beneficial to the formulation and nutritional value of energy gels, while adhering to clean-label requirements of today`s food industry.</div></div>","PeriodicalId":100213,"journal":{"name":"Carbohydrate Polymer Technologies and Applications","volume":"9 ","pages":"Article 100675"},"PeriodicalIF":6.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143098035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The identification of thresholds of starch phosphate and amylose levels on multi-scale structures and functional properties of potato starch

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-16 DOI: 10.1016/j.carpta.2025.100676

Yaqi Hu , Daraz Ahmad , Li Ding , Haroon Rasheed , Andreas Blennow , Jacob Judas Kain Kirkensgaard , Jinsong Bao

Both amylose content (AC) and starch phosphate content (SPC) play important roles in determining the functional features of starch in potato (Solanum tuberosum L.) tubers. However, the relative contribution of these two factors on starch properties has not been determined. The SPC, AC, and various multi-scale structures and functional properties of 13 natural potato starches with varying SPC (ranging from 449 ppm to 1004 ppm) and AC (from 18.8 % to 27.8 %) were investigated. It was found that SPC is closely correlated with the length and proportion of branch chains, and potato starches with high SPC tended to have a lower proportion of amylose. An elevation in SPC significantly enhanced the surface layer ordering of starch granules, while an increase in AC restricted the expansion of starch granules. With a critical SPC of 700 ppm, when the SPC of potato starch surpassed this threshold, phosphate played a predominant part in conferring the functional properties to the potato starch. An increase in SPC boosted the swelling capacity and lessened short-term retrogradation and strength of the starch gel. Conversely, when the SPC fell below this threshold, the influence of AC became more prominent. A higher AC promoted short-term retrogradation and strength of the starch gel. The results of this study further elucidates the subtle interplay between AC and SPC, providing deeper insights into the relationship between phosphate and amylose content and the structure and function of potato starch.

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Arrowroot (Maranta arundinaceae L.) starch-based edible coating formulation and its application to shelf-life extension of tomato (Solanum lycopersicum L.)

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications

Pub Date : 2025-01-15 DOI: 10.1016/j.carpta.2025.100674

Herlina Marta, Sylviana Chandra, Yana Cahyana, Nandi Sukri, Aldila Din Pangawikan, Tri Yuliana, Heni Radiani Arifin

Arrowroot starch, a locally abundant and underutilized resource in Indonesia, shows promise as a base material for edible coatings due to its transparency, odorlessness, and high amylose content. This study evaluated the effectiveness of arrowroot (Maranta arundinaceae L.) starch-based coatings in extending the shelf life of tomatoes (Solanum lycopersicum L.) under room temperature storage. Coating formulations were prepared using 3 % and 4 % starch concentrations, 4 % glycerol, and 0.1 % Tween 80, and applied to tomatoes, while uncoated samples served as controls. Over a 15-day storage period, with evaluations every three days, the 4 % arrowroot starch coating was most effective in reducing respiration rate, preserving color (a* value:1.65 ± 3.08), minimizing color change (ΔE: 9.95 ± 3.10), and reducing texture degradation (20.53 ± 1.88) and weight loss (1.39 %). Consequently, the shelf life of coated tomatoes was extended to 26 days, compared to 20 days for the controls. These results suggest that arrowroot starch-based edible coatings can serve as a sustainable postharvest management strategy for extending the shelf life of fresh produce, thereby minimizing food waste and promoting the use of biodegradable materials in food preservation.

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