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Pomegranate peel powder and extract improved weight control, lipid metabolism and gut microbiota in hamsters fed with standard american diets 石榴皮粉末和提取物改善了美国标准饮食喂养仓鼠的体重控制、脂质代谢和肠道微生物群
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2025-01-16 DOI: 10.1016/j.fhfh.2025.100196
Xingzhu Wu , Wallace Yokoyama , Yuqing Tan , Glenn Bartley , Ling Chen , James Pan , Priscila Alves Buongiorno , Jose Berrios , Tara McHugh , Zhongli Pan
Pomegranate peel waste is a byproduct of juice processing and 1.6 million tons are produced globally each year. Pomegranate peels have a high dietary fiber content and unique polyphenol profile suggesting it may have health benefits. This study aimed to investigate the hypocholesterolemic and anti-obesity effects of pomegranate peel powder (PPP) and water extract (PPE) in Golden Syrian hamsters fed with high-fat (39 % fat calorie, HF) diets. Hamsters were fed either the HF, or the HF diet supplemented with 2.5 % or 5 % PPE (LE and HE, respectively), or 5 % or 10 % PPP (low-peel (LP) and high-peel (HP), respectively. After 4 weeks of feeding, hamsters gained 16.10- 33.82 g of weight and the feeding efficacy ranged from 0.10 to 0.18. The HP group had the lowest weight gain and feed efficacy while others were not significantly different. The HP group had significantly lower liver-to-body weight ratio (3.10 ± 0.08 % vs 3.65 ± 0.09 %), fasting blood glucose (68.11 ± 5.27 vs 82.94 ± 6.49 mg/dL), and hepatic lipid content (6.31 ± 0.26 vs 7.49 ± 0.22 g/100 g liver) compared to the HF group. PPP ingestion significantly increased LDL but decreased triglycerides. PPP and PPE feeding resulted in microbiota phyla Firmicutes-to-Bacteroidetes ratio characteristic of leaner phenotypes. HMG-CoAR and LDLR expression were reduced, suggesting that decreased uptake of LDL was not sufficient to lower plasma LDL, even with reduced cholesterol synthesis.
石榴皮废料是果汁加工的副产品,全球每年产生160万吨。石榴皮含有很高的膳食纤维含量和独特的多酚成分,这表明石榴皮可能对健康有益。本研究旨在探讨石榴皮粉(PPP)和水提物(PPE)对高脂肪(39%脂肪热量,HF)饲粮喂养的叙利亚金仓鼠的降胆固醇和抗肥胖作用。分别饲喂HF、HF饲粮中添加2.5%或5% PPE(分别为LE和HE)、5%或10% PPP(分别为低削皮(LP)和高削皮(HP))的仓鼠。饲喂4周后,仓鼠增重16.10 ~ 33.82 g,饲喂效率为0.10 ~ 0.18。HP组的增重和饲料效率最低,其他组差异不显著。与HF组相比,HP组的肝体重比(3.10±0.08% vs 3.65±0.09%)、空腹血糖(68.11±5.27 vs 82.94±6.49 mg/dL)和肝脏脂质含量(6.31±0.26 vs 7.49±0.22 g/100 g肝脏)均显著降低。PPP摄入显著增加LDL,但降低甘油三酯。PPP和PPE饲养导致厚壁菌门与拟杆菌门的微生物比例呈较瘦表型特征。HMG-CoAR和LDLR表达降低,表明LDL摄取减少并不足以降低血浆LDL,即使胆固醇合成减少。
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引用次数: 0
Encapsulation of anthocyanins from purple corn cob via antisolvent precipitation: Effect of pH and zein/gum arabic ratio on the antioxidant activity, particle size and thermal stability 抗溶剂沉淀法包封紫玉米芯花青素:pH和玉米蛋白/阿拉伯胶比对抗氧化活性、粒径和热稳定性的影响
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2025-01-16 DOI: 10.1016/j.fhfh.2025.100197
Johan Mendoza , Omar Peñuñuri-Miranda , María d.C. Valdez-Cárdenas , Carmen O. Melendez-Pizarro , Daniel Lardizabal-Gutiérrez , Francisco Paraguay-Delgado , Armando Quintero-Ramos
This study evaluates the effects of pH levels and Zein/Gum Arabic (Z/GA) ratios on key encapsulation parameters of an anthocyanin-rich extract (ARE) derived from purple corn cob, using the antisolvent precipitation method. Parameters analyzed include encapsulation efficiencies for anthocyanins (%AEE) and polyphenols (%PEE), nanoparticle size, polydispersity index, ζ-potential, and thermal stability at 80 and 180 °C. Particles without GA showed poor stability and low %AEE, particularly at lower pH. Conversely, the addition of GA significantly enhanced encapsulation efficiency, especially under acidic conditions (pH 2–4), and improved the particle size uniformity. At Z/GA ratio of 1:1, GA played a crucial role in stabilizing nanoparticles, effectively preventing aggregation even when the net particle charge was near to zero. Characterization by SEM, FTIR and TGA confirmed the morphological, structural, and thermal properties of the encapsulated particles. Thermal stability tests demonstrated that encapsulated anthocyanins exhibited significantly improved resistance to thermal degradation, with half-life extended up to threefold compared to unencapsulated counterparts. These results highlight the potential of encapsulating ARE from purple corn cob in Z/GA matrices as a method to preserve anthocyanins functionality, improve their thermal stability during food processing, and enhance application in food systems. Additionally, this approach offers a sustainable alternative, adding value to agricultural by-products and promoting waste valorization in the food industry. However, further research on scalability, cost-effectiveness, and application in food processing systems are needed.
采用抗溶剂沉淀法,研究了pH和玉米苷/阿拉伯胶(Z/GA)比对紫玉米芯花青素提取物(ARE)关键包封参数的影响。分析的参数包括花青素(%AEE)和多酚(%PEE)的包封效率、纳米颗粒尺寸、多分散性指数、ζ-电位以及80和180℃下的热稳定性。未添加GA的颗粒稳定性差,AEE %低,特别是在较低的pH下。相反,添加GA显著提高了包封效率,特别是在酸性条件下(pH 2-4),并改善了粒径均匀性。当Z/GA比为1:1时,GA在稳定纳米颗粒方面发挥了至关重要的作用,即使在粒子净电荷接近于零的情况下,GA也能有效地防止纳米颗粒聚集。通过扫描电镜(SEM)、红外光谱(FTIR)和热重分析仪(TGA)等表征手段证实了包封颗粒的形态、结构和热性能。热稳定性测试表明,与未封装的花青素相比,封装后的花青素表现出明显改善的耐热降解能力,半衰期延长了三倍。这些结果强调了将紫玉米芯中的ARE包埋在Z/GA基质中作为一种保存花青素功能、提高其在食品加工过程中的热稳定性和增强其在食品体系中的应用的潜力。此外,这种方法提供了一种可持续的替代方案,增加了农业副产品的价值,并促进了食品工业中的废物增值。然而,在可扩展性、成本效益和在食品加工系统中的应用方面还需要进一步的研究。
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引用次数: 0
Emulsion electrospinning of lemongrass essential Oil-Loaded Ferula haussknechtii gum/ Polyethylene oxide as bioactive coating 柠檬草精油负载阿魏胶/聚乙烯氧化物作为生物活性包被的乳液静电纺丝研究
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2025-01-07 DOI: 10.1016/j.fhfh.2025.100195
Saeedeh Jafari, Abdollah Hematian Sourki, Safoora Pashangeh
This study aimed to develop a novel, degradable antimicrobial bioactive coating by combining Ferula haussknechtii gum and polyethylene oxide with lemongrass essential oil (LGEO) using the emulsion electrospinning technique. The LGEO emulsion in the F. haussknechtii gum/polyethylene oxide solution was prepared via ultrasonic method, and its physicochemical properties, including pH, electrical conductivity, density, and apparent viscosity, were systematically evaluated. The microstructural morphology of the electrospun coating was analyzed using scanning electron microscopy (SEM). The antimicrobial properties and antioxidant potential of the active electrospun coating were also assessed. The resulting electrospun fibers had an average diameter of 0.56 μm and contained over 36 bioactive compounds, exhibiting radical scavenging activity of approximately 74.51 %. The LGEO was incorporated into the bioactive coating at concentrations of 3, 6, and 9 % (v/v). The antimicrobial efficacy of the electrospun coating was tested against Gram-positive Gram-negative, and Aspergillus niger. The highest antimicrobial activity was observed with the electrospun coating containing 9 % LGEO. The results revealed that increasing the LGEO concentration in the emulsion resulted in decreased pH, apparent viscosity, and density, while electrical conductivity increased. SEM analysis confirmed the formation of uniform, bead-free electrospun fibers across all LGEO concentrations. FTIR analysis validated the successful incorporation of emulsified LGEO into the electrospun fibers. These findings demonstrate that the inclusion of LGEO in bioactive edible coatings can significantly enhance antimicrobial protection, particularly for minimally processed foods, while potentially extending shelf life by reducing microbial contamination.
本研究采用乳化液静电纺丝技术,将阿魏胶、聚乙烯氧化物与柠檬草精油结合,制备一种新型的、可降解的抗菌生物活性涂层。采用超声法制备了聚乙二醇/聚氧乙烯溶液中的LGEO乳液,并对其理化性质(pH、电导率、密度、表观粘度)进行了系统评价。利用扫描电子显微镜(SEM)分析了静电纺丝涂层的微观组织形态。并对活性静电纺涂层的抗菌性能和抗氧化潜力进行了评价。所得静电纺纤维平均直径为0.56 μm,含有36种以上的生物活性化合物,自由基清除活性约为74.51%。LGEO分别以3%、6%和9% (v/v)的浓度掺入生物活性包被中。测定了静电纺涂层对革兰氏阳性菌、革兰氏阴性菌和黑曲霉的抑菌效果。结果表明,含9% LGEO的电纺丝涂层抗菌活性最高。结果表明,随着LGEO浓度的增加,乳液的pH值、表观粘度和密度降低,电导率提高。扫描电镜分析证实,在所有LGEO浓度下,形成了均匀、无珠的静电纺丝纤维。FTIR分析证实了乳化LGEO成功掺入到电纺丝纤维中。这些发现表明,在生物活性食用涂层中加入LGEO可以显著增强抗菌保护,特别是对于最低限度加工的食品,同时可能通过减少微生物污染来延长保质期。
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引用次数: 0
Rheological properties and visual cohesiveness of soy protein-based formulations without thickening agents in dysphagic management 无增稠剂的大豆蛋白基配方在吞咽困难管理中的流变性能和视觉内聚性
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-12-20 DOI: 10.1016/j.fhfh.2024.100193
Varanya Techasukthavorn , Jirarat Anuntagool
Thickened fluids, or dysphagic drinks, are commonly prescribed for individuals with swallowing difficulties. They help slow down food bolus in the swallowing process, reducing the risk of choking and aspiration. The main goal of this study was to create a set of high-protein supplement drinks varying in caloric density level. Besides, the study aimed to examine both shear and extensional rheological properties along with visual cohesiveness. Soy protein-based formulations A to F were developed with caloric densities: 1, 1.2, 1.5, 2, 2.5, and 3 kcal/mL, respectively. Each formulation was assessed through the International Dysphagia Diet Standardisation Initiative (IDDSI) flow test, shear and extensional rheological behavior, and visual cohesiveness. All samples exhibited shear-thinning behavior with viscosity increased with higher caloric density. Formulations A and B were classified as low-viscosity liquids, while formulations C, D, E, and F were suitable for extensional flow measurements with extensional properties improving as density increased. Visual cohesiveness, assessed through elongation shape and flow behavior, enhances with formulation concentration. Formulations A and B may require the addition of thickening agents to serve as thickened nutritional supplements for dysphagia management. Formulations C, D, and E were mildly to moderately thick, whereas formulation F, characterized by extremely thick with very high yield stress, may cause multiple swallows. These findings highlight the potential for developing higher-calorie supplements without thickeners as a practical strategy to enhance energy and protein intake in individuals with dysphagia. To ensure safe swallowing, future research should validate these results using in-vitro throat models and clinical studies.
加厚的液体或吞咽困难的饮料通常用于有吞咽困难的人。它们有助于减缓吞咽过程中的食物丸,降低窒息和误吸的风险。这项研究的主要目标是创造一套高蛋白补充饮料不同的热量密度水平。此外,该研究旨在研究剪切和拉伸流变特性以及视觉内聚性。大豆蛋白为基础的配方A至F的热量密度分别为:1、1.2、1.5、2、2.5和3千卡/毫升。通过国际吞咽困难饮食标准化倡议(IDDSI)流动测试、剪切和拉伸流变行为以及视觉内聚性来评估每种配方。随着热密度的增加,黏度的增加,所有样品都表现出剪切变薄的行为。配方A和B被归类为低粘度液体,而配方C、D、E和F适用于拉伸流量测量,拉伸性能随着密度的增加而改善。通过延伸形状和流动行为来评估的视觉黏结性随着配方浓度的增加而增强。配方A和B可能需要添加增稠剂作为增稠营养补充剂,用于治疗吞咽困难。配方C、D和E是轻度至中度粘稠,而配方F的特点是极其粘稠,具有非常高的屈服压力,可能导致多次吞咽。这些发现强调了开发不含增稠剂的高热量补充剂的潜力,作为一种实用的策略,可以提高吞咽困难患者的能量和蛋白质摄入量。为了确保安全吞咽,未来的研究应该通过体外喉咙模型和临床研究来验证这些结果。
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引用次数: 0
Increase in blood-transferable linear and cyclic dipeptides in human plasma following ingestion of elastin hydrolysate 摄入弹性蛋白水解物后,血浆中可血液转移的线状和环状二肽增加
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-12-01 DOI: 10.1016/j.fhfh.2024.100188
Yu Iwasaki , Mikako Sato , Yoshinori Katakura , Yukihiro Sugawara , Yasutaka Shigemura
In this study, we analyzed the absorption of linear and cyclic dipeptides containing Gly, Pro, Ala, and Val by human blood following the ingestion of elastin hydrolysate. As in previous studies, Pro-Gly was transferred into blood at the highest concentration (Cmax; 14.63 nmol/mL). Moreover, this is the first study to show that Gly-Pro, Pro-Ala, Gly-Ala, cyclo(Gly-Pro), cyclo(Pro-Ala), cyclo(Pro-Val) and cyclo(Gly-Ala) also increase in blood after the ingestion of elastin hydrolysate. The contents of these cyclic dipeptides, which amounts in elastin hydrolysate is verry small, suggested that elastin digestives may be cyclized during digestion and absorption by human blood following the ingestion of elastin hydrolysate. This study suggested that these blood-transferrable linear and cyclic dipeptides could be candidates for elastin-derived bioactive peptides, and this finding consequently led to the further experiments that has been required for clarifying the bioactivities and mechanisms of beneficial effects of elastin hydrolysate.
在这项研究中,我们分析了在摄入弹性蛋白水解物后,人体血液对含有Gly, Pro, Ala和Val的线性和环状二肽的吸收。与先前的研究一样,Pro-Gly以最高浓度(Cmax;14.63 nmol /毫升)。此外,该研究首次表明,摄入弹性蛋白水解物后,血液中Gly-Pro、Pro-Ala、Gly-Ala、cyclo(Gly-Pro)、cyclo(Pro-Ala)、cyclo(Pro-Val)和cyclo(Gly-Ala)也会增加。这些环二肽在弹性蛋白水解物中的含量非常少,这表明弹性蛋白消化物在摄入弹性蛋白水解物后,可能在消化和吸收过程中被血液环化。这项研究表明,这些血液可转移的线性和环状二肽可能是弹性蛋白衍生的生物活性肽的候选物,这一发现导致了进一步的实验,以阐明弹性蛋白水解物的生物活性和有益作用的机制。
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引用次数: 0
Alginate-based microencapsulation enhances antinociceptive and anti-inflammatory activities of Phyllanthus amarus and Phyllanthus muellerianus 藻酸盐微胶囊化增强了毛茛和毛茛的抗炎和抗炎活性
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-12-01 DOI: 10.1016/j.fhfh.2024.100190
Joy J. Adeyemi , Abayomi M. Ajayi , Tolulope O. Ajala
Phyllantus amarus and P. muellerianus are herbs reported to possess anti-inflammatory activity. Antinociceptive and anti-inflammatory activities of alginate-based microsphere loaded with extracts of P. amarus and P. muellerianus was here reported. The extract-loaded microspheres were prepared using the ionotropic gelation method. The particle size, swelling index, entrapment efficiency, and FTIR spectroscopy were determined. Antinociceptive and anti-inflammatory activities of extract-loaded microspheres were evaluated in hotplate-induced nociception in mice and carrageenan-induced rat paw oedema, respectively. The physicohemical results showed rigid, free-flowing and spherical microspheres, with particle sizes ranging from 985.977±13.65 to 1232±12.99 µm and entrapment efficiencies of 20.9 ± 0.341 to 45.0 ± 0.002 %. Polymer-drug interaction revealed bands indicating aromatics, alcohols and alkenes. The extract-loaded microspheres showed improved antinociceptive and anti-inflammatory activities when compared to the extracts alone. The sodium alginate-based microspheres loaded with Phyllanthus amarus and Phyllanthus muellerianus extracts showed acceptable physicochemical properties and had improved antinociceptive and anti-inflammatory activity compared to the extracts alone.
据报道,毛茛和毛茛是具有抗炎活性的草药。本文报道了以海藻酸盐为基础的海马拉斯和穆勒氏海马拉斯提取物微球的抗炎和抗炎活性。采用离子化凝胶法制备萃取物微球。测定了样品的粒径、溶胀指数、包封效率和红外光谱。研究了载提取物微球在热板诱导的小鼠痛觉和卡拉胶诱导的大鼠足部水肿中的抗伤性和抗炎活性。物理化学结果表明,微球为刚性、自由流动的球形微球,粒径范围为985.977±13.65 ~ 1232±12.99µm,包封效率为20.9±0.341 ~ 45.0±0.002%。聚合物与药物的相互作用显示出芳香、醇和烯烃的谱带。与单独的提取物相比,负载提取物的微球具有更好的抗炎和抗炎活性。以海藻酸钠为基础的微球,与单纯的余叶和余叶提取物相比,具有良好的理化性质和抗炎活性。
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引用次数: 0
“Enhancing quinoa (Chenopodium quinoa Willd) protein extraction: Alkaline solubilization coupled to isoelectric precipitation effects on structure, digestibility and antinutrients” 增强藜麦(藜麦野生)蛋白质的提取:碱性溶解耦合等电沉淀对结构、消化率和抗营养物质的影响
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-12-01 DOI: 10.1016/j.fhfh.2024.100191
Maria Lilibeth Manzanilla-Valdez , Christine Boesch , Cristina Martinez-Villaluenga , Sarita Montaño , Alan Javier Hernández-Álvarez
Quinoa (Chenopodium quinoa Willd) has gained popularity as a plant-based protein source due to its high protein content and complete amino acid profile. However, protein extraction methods such as alkaline solubilization coupled to isoelectric precipitation (ASIP), can affect protein structure, digestibility, nutritional quality, and the composition of antinutritional factors. This study aimed to assess the effects of ASIP on the secondary structure, protein quality and antinutritional factors (ANFs) composition from three quinoa varieties. The results showed that quinoa protein isolates exhibited a decrease in random coil structures, while β-turns and β-sheets increased, as indicated by FTIR analysis. In vitro protein digestibility improved after protein extraction, ranging from 82.12% to 84.50%. The amino acid score ranged from 0.67 – 0.88, with Yellow quinoa protein concentrate exhibiting the highest value. Black quinoa protein isolate showed the lowest total oxalate content (105.00 mg/100g), while Red quinoa protein concentrate presented higher levels of phytic acid (2.0 g/100 g), saponins (150.0 mg/g), and total phenolic compounds (161.5 mg GAE/100g). Notably, gluten content decreased in all samples following protein extraction. Despite the presence of certain ANFs in quinoa protein isolates/concentrates, the protein quality of quinoa isolates and concentrates was not adversely affected. In conclusion, the extraction process reduced several ANFs, including lectins, oxalates, and gluten, while enhancing the overall protein quality.
藜麦因其高蛋白质含量和完整的氨基酸谱而成为一种受欢迎的植物性蛋白质来源。然而,蛋白质提取方法,如碱溶耦合等电沉淀(ASIP),会影响蛋白质的结构、消化率、营养品质和抗营养因子的组成。本研究旨在评价ASIP对3个藜麦品种二级结构、蛋白质品质和抗营养因子(ANFs)组成的影响。FTIR分析结果表明,藜麦蛋白分离株的随机卷曲结构减少,β-匝数和β-片数增加。蛋白质提取后,体外蛋白质消化率达到82.12% ~ 84.50%。氨基酸评分范围为0.67 ~ 0.88,以黄藜麦浓缩蛋白最高。黑色藜麦分离蛋白的总草酸含量最低(105.00 mg/100g),而红色藜麦浓缩蛋白的植酸含量最高(2.0 g/100g),皂苷含量最高(150.0 mg/g),总酚类化合物含量最高(161.5 mg GAE/100g)。值得注意的是,在提取蛋白质后,所有样品的麸质含量都有所下降。尽管藜麦分离物/浓缩物中存在某些ANFs,但藜麦分离物和浓缩物的蛋白质质量没有受到不利影响。综上所述,该提取工艺减少了几种ANFs,包括凝集素、草酸盐和面筋,同时提高了整体蛋白质质量。
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引用次数: 0
Casein and acryl amide complexation and bio-adhesive polymeric nano micelles influence on vortioxetine dissolution, penetration enhancement and in vivo absorption 酪蛋白与丙烯酰胺络合及生物黏附聚合物纳米胶束对沃替西汀溶出、渗透增强及体内吸收的影响
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-12-01 DOI: 10.1016/j.fhfh.2024.100189
Samaa Abdullah , Nabil A. Alhakamy , Hatim S. AlKhatib , Rana Abu Huwaij , Hadil Alahdal , Abeer A. Altamimi
Vortioxetine (VTX) is a new atypical antidepressant used to treat major depression and other mental disorders. Due to its low water solubility, oral absorption, and fast metabolism, VTX has been commercially manufactured and sold as a hydrobromide. Long-term VTX hydrobromide therapy is frequently associated with respiratory irritation and digestive dysfunction. Two techniques were developed for dissolution, swelling, adherence, and penetration enhancements. The techniques were the VTX and casein (CAS) complexation using the maximum loading capacity, and VTX-polymeric nano micelle using the “Sandwich Technique”. This study includes the maximum VTX-CAS binding capacity determination, VTX-CAS complex preparation, polymeric nano micelle encapsulating VTX-CAS complex optimizations, physiochemical characterisations, solubility assessment, VTX release analysis, swelling analysis and mucus-penetrating study of the VTX-CAS complex and VTX polymeric nano micelle in comparison to the VTX raw material. The optimum VTX-polymeric nano micelle dissolution, swelling, adherence, and penetration enhancements were supported by the results of 91.10±16.34 nm, +19 mV zeta-potential, structural arrangements, and enhanced amorphic character with the morphology and size distribution (50–100 nm). The VTX-polymeric nano micelle could serve as an oral alternative to the VTX hydrobromide therapy based on the results of the biocompatibility and in vivo absorption studies for the VTX-polymeric nano micellar system.
沃替西汀(VTX)是一种新型非典型抗抑郁药,用于治疗重度抑郁症和其他精神障碍。由于其水溶性低、口服吸收和代谢快,VTX已作为氢溴化物进行商业化生产和销售。长期VTX氢溴化物治疗常伴有呼吸刺激和消化功能障碍。开发了两种用于溶解、肿胀、粘附和渗透增强的技术。采用最大负载容量的VTX与酪蛋白(CAS)络合技术和“三明治技术”的VTX聚合物纳米胶束技术。本研究包括最大VTX- cas结合能力的确定、VTX- cas复合物的制备、封装VTX- cas复合物的聚合物纳米胶束的优化、理化表征、溶解度评估、VTX释放分析、溶胀分析和VTX聚合物纳米胶束与VTX原料的黏液穿透性研究。91.10±16.34 nm、+19 mV zeta电位、结构排列、形貌和尺寸分布(50-100 nm)的非晶性增强等结果支持了最佳的vtx -聚合物纳米胶束溶解、溶胀、粘附和渗透增强。基于对VTX聚合物纳米胶束体系的生物相容性和体内吸收研究结果,VTX聚合物纳米胶束可以作为VTX氢溴化物治疗的口服替代品。
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引用次数: 0
Functional properties and toxicological analysis of nanocellulose-based aerogels loaded with polyphenols from Hyeronima macrocarpa berries 纳米纤维素气凝胶的功能特性和毒理学分析--载入了从红豆杉浆果中提取的多酚
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-11-17 DOI: 10.1016/j.fhfh.2024.100187
Andrés Felipe Alzate-Arbeláez , Farid B. Cortés , Benjamín A. Rojano
In this study, the nutraceutical properties of ethanolic extract of Hyeronima macrocarpa fruits, immobilized on nanocellulose-based aerogels (NCAG) synthesized from the seeds were studied. Specifically, bioactives with antioxidant properties of the pulp were determined, NCAG and homologs of acetate (NCAG-A) and sulfate (NCAG-S) were obtained, and characterized from the seed, the aerogels loaded with antioxidants were studied to determine the anti-radical activity, digestion patterns, protein oxidation inhibition, and toxicological properties. The berries presented a high anthocyanin content of 1317.4 mg C3G/100 g FW and ORAC value ​​of 12,732 µmol Trolox/100 g FW, which make an important source of antioxidants. The seeds presented cellulose content of 61.4 % with a NC yield of 38.4 %. NCAG and their surface homologs were successfully synthesized and characterized by FTIR, DLS, and TEM finding the characteristic bands of the main functional groups, NC presented particle sizes ranging from 64 to 141 nm, BET analysis showed surface areas of 71.1, 102.3, and 183.5 m2/g for NCAG-A, NCAG, and NCAG-S, respectively, and pore sizes of 36–38 nm called mesopores. NCAG presented the highest capacity to trap reactive oxygen species (106.8 mg catechin Eq./g., 86.5 % OH• trapped, respectively). All samples showed the capacity to delay the oxidation of a protein system in a dose-dependent manner, with IC50 values ​​of 70 mg/L (NCAG), 176.3 mg/L (NCAG-A), and 255.6 mg/L (NCAG-S). In vitro digestion showed that NCAG-S was more efficient in delivering anthocyanins under gastric conditions (bioaccessibility of 59.3 %), and NCAG under duodenal conditions (bioaccessibility of 88.2 %). The differences found in samples for the different functional assays can be explained by the various types of interactions generated between the antioxidant molecules and aerogels, in the various media where the analyses are carried out. The results indicate nanocellulose-based aerogels, synthesized from lignocellulosic residues of H. macrocarpa seeds, proved to be porous matrices capable of carrying bioactive substances, and presented interesting properties for the delivery and conservation of antioxidant molecules such as anthocyanins and other polyphenols, achieving an in vitro protective effect against the oxidation of biomolecules.
在这项研究中,研究了固定在由种子合成的纳米纤维素气凝胶(NCAG)上的大芒果(Hyeronima macrocarpa)果实乙醇提取物的营养保健特性。具体而言,确定了果肉中具有抗氧化特性的生物活性物质,从种子中获得了 NCAG 以及醋酸盐(NCAG-A)和硫酸盐(NCAG-S)的同源物,并对载入抗氧化剂的气凝胶进行了研究,以确定其抗自由基活性、消化模式、蛋白质氧化抑制和毒理学特性。浆果的花青素含量高达 1317.4 毫克 C3G/100 克(净重),ORAC 值为 12,732 微摩尔 Trolox/100 克(净重),是抗氧化剂的重要来源。种子的纤维素含量为 61.4%,NC 产量为 38.4%。成功合成了 NCAG 及其表面同系物,并通过傅立叶变换红外光谱(FTIR)、荧光定量光学显微镜(DLS)和电子显微镜(TEM)对其进行了表征,发现了主要官能团的特征带,NC 的粒径范围为 64 至 141 nm,BET 分析表明 NCAG-A、NCAG 和 NCAG-S 的表面积分别为 71.1、102.3 和 183.5 m2/g,孔径为 36-38 nm,称为中孔。NCAG 的活性氧捕获能力最高(分别为 106.8 毫克儿茶素当量/克和 86.5 % OH-捕获)。所有样品都能以剂量依赖的方式延迟蛋白质系统的氧化,IC50 值分别为 70 毫克/升(NCAG)、176.3 毫克/升(NCAG-A)和 255.6 毫克/升(NCAG-S)。体外消化显示,在胃部条件下,NCAG-S 能更有效地传递花青素(生物利用率为 59.3%),而在十二指肠条件下,NCAG 能更有效地传递花青素(生物利用率为 88.2%)。在不同功能测试中发现的样品差异可以解释为抗氧化剂分子与气凝胶之间在进行分析的不同介质中产生的各种相互作用。研究结果表明,用大戟科植物种子的木质纤维素残留物合成的纳米纤维素气凝胶是一种多孔基质,能够携带生物活性物质,并具有输送和保存抗氧化分子(如花青素和其他多酚)的有趣特性,在体外对生物大分子的氧化具有保护作用。
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引用次数: 0
Pectin oligosaccharides from Citri Reticulatae Pericarpium ‘Chachi’ promote wound healing in HaCaT keratinocytes by enhancing cell proliferation and migration 枸橼酸果胶寡糖通过增强细胞增殖和迁移促进 HaCaT 角质细胞的伤口愈合
IF 4.6 Q1 CHEMISTRY, APPLIED Pub Date : 2024-11-09 DOI: 10.1016/j.fhfh.2024.100185
Zhongcan Peng , Shurong Tian , Depo Yang , Longping Zhu , Jianing Zhang , Wenfeng Li , Guodong Zheng , Zhimin Zhao
Citri Reticulatae Pericarpium ‘Chachi’ (Citrus reticulata ‘Chachi’) is a traditional Chinese medicine with dual medicinal and dietary uses. As its main component, pectin exhibited various biological activities. However, research and development on it, especially pectin oligosaccharides, remain limited. In this study, ‘Chachi’ pectin oligosaccharides (CPOS) was extracted and prepared for the first time, resulting in the purification of two oligosaccharide components, CPOS3 and CPOS4. Structural characterization of the predominant oligosaccharide, CPOS3, revealed it to be composed of a backbone α-D-GalpA-(1→2)-α-L-Rhap-(1→4)-α-D-3-OAc-GalpA-(1→4)-α-D-GalpA-(1→4)-α-D-GalpA and a side chain [→5)-α-L-Araf-(1→]4 attached at the C-4 of Rhap. Subsequent experiments have shown that CPOS3 can significantly promote the proliferation and migration of human immortalized keratinocyte cell. Further investigation revealed that it facilitated cell proliferation by stimulating DNA synthesis in the S phase of the cell cycle. Additionally, CPOS3 exhibited good thermal stability and rheological characteristics. Based on the good wound healing activity and favorable physicochemical properties of CPOS3, its prospects in the fields of wound dressings and tissue repair are promising.
柑橘果胶(Citri Reticulatae Pericarpium 'Chachi')是一种药食两用的传统中药。作为其主要成分,果胶具有多种生物活性。然而,对其尤其是果胶低聚糖的研究和开发仍然有限。本研究首次提取和制备了 "恰奇 "果胶低聚糖(CPOS),纯化出两种低聚糖成分 CPOS3 和 CPOS4。对主要寡糖 CPOS3 的结构表征显示,它是由主链 α-D-GalpA-(1→2)-α-L-Rhap-(1→4)-α-D-3-OAc-GalpA-(1→4)-α-D-GalpA-(1→4)-α-D-GalpA 和连接在 Rhap 的 C-4 上的侧链 [→5)-α-L-Araf-(1→]4 组成。随后的实验表明,CPOS3 能显著促进人类永生角朊细胞的增殖和迁移。进一步研究发现,CPOS3 通过刺激细胞周期 S 期的 DNA 合成来促进细胞增殖。此外,CPOS3 还具有良好的热稳定性和流变特性。基于 CPOS3 良好的伤口愈合活性和理化特性,其在伤口敷料和组织修复领域的应用前景十分广阔。
{"title":"Pectin oligosaccharides from Citri Reticulatae Pericarpium ‘Chachi’ promote wound healing in HaCaT keratinocytes by enhancing cell proliferation and migration","authors":"Zhongcan Peng ,&nbsp;Shurong Tian ,&nbsp;Depo Yang ,&nbsp;Longping Zhu ,&nbsp;Jianing Zhang ,&nbsp;Wenfeng Li ,&nbsp;Guodong Zheng ,&nbsp;Zhimin Zhao","doi":"10.1016/j.fhfh.2024.100185","DOIUrl":"10.1016/j.fhfh.2024.100185","url":null,"abstract":"<div><div>Citri Reticulatae Pericarpium ‘Chachi’ (<em>Citrus reticulata</em> ‘Chachi’) is a traditional Chinese medicine with dual medicinal and dietary uses. As its main component, pectin exhibited various biological activities. However, research and development on it, especially pectin oligosaccharides, remain limited. In this study, ‘Chachi’ pectin oligosaccharides (CPOS) was extracted and prepared for the first time, resulting in the purification of two oligosaccharide components, CPOS3 and CPOS4. Structural characterization of the predominant oligosaccharide, CPOS3, revealed it to be composed of a backbone α-D-Gal<em>p</em>A-(1→2)-α-L-Rha<em>p</em>-(1→4)-α-D-3-OAc-Gal<em>p</em>A-(1→4)-α-D-Gal<em>p</em>A-(1→4)-α-D-Gal<em>p</em>A and a side chain [→5)-α-L-Ara<em>f</em>-(1→]<sub>4</sub> attached at the C-4 of Rha<em>p</em>. Subsequent experiments have shown that CPOS3 can significantly promote the proliferation and migration of human immortalized keratinocyte cell. Further investigation revealed that it facilitated cell proliferation by stimulating DNA synthesis in the S phase of the cell cycle. Additionally, CPOS3 exhibited good thermal stability and rheological characteristics. Based on the good wound healing activity and favorable physicochemical properties of CPOS3, its prospects in the fields of wound dressings and tissue repair are promising.</div></div>","PeriodicalId":12385,"journal":{"name":"Food Hydrocolloids for Health","volume":"6 ","pages":"Article 100185"},"PeriodicalIF":4.6,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142661686","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
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Food Hydrocolloids for Health
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