Synthesis and characterization of cellulose nanocrystals derived from ginger stick for berberine delivery: exploring interactions with human holo-transferrin
{"title":"Synthesis and characterization of cellulose nanocrystals derived from ginger stick for berberine delivery: exploring interactions with human holo-transferrin","authors":"Samaneh Tavana, Alaleh Riyahi, Shadi Nikjoo, Sahar Shafi-Moghaddam, Reza Taheri, Zahra Akhavannezhad, Parisa Mokaberi, Jamshidkhan Chamani","doi":"10.1007/s00396-024-05297-0","DOIUrl":null,"url":null,"abstract":"<div><p>As an antioxidative isoquinoline quaternary alkaloid, berberine (BR) is derived from certain types of plants, such as <i>Berberis aristate</i>, and despite its ability to inhibit cell proliferation, its poor aqueous solubility has limited its effectiveness in treatments. This study attempted to extract cellulose nanocrystals (CNCs) from ginger sticks to perform BR delivery and proceeded by characterizing the prepared CNCs and CNCs-BR by the results of DLS, TEM, FESEM, XRD, and FTIR. Moreover, various biophysical methods were used to investigate the interaction of BR-loaded CNCs with human serum holo-transferrin (HTF). The obtained outcomes confirmed the effectiveness of our spherical CNCs in reducing the size of the drug from 403.06 to 203.42 nm in CNCs-BR and consequently improving the solubility of BR. The XRD analysis approved the successful elimination of amorphous regions in cellulose, while the diminution of crystallinity index after the loading of BR indicated the occurrence of their interaction. The induced alterations in the functional groups and hydrophilicity enhancement of CNCs and CNCs-BR were displayed by FTIR. The fluorescence studies indicated the capability of CNCs-BR in interacting with HTF and quenching its fluorescence emission intensity through a static quenching process, which was revealed by the inverse correlation between Ksv values and temperature. In conformity to the results of synchronous fluorescence spectroscopy, CNCs-BR caused more changes in the vicinity of Trp residue in contrast to Tyr, while the FRET analysis determined the energy transfer between HTF and CNCs-BR to be 0.18, and their distance to be 2.41 nm. The drawn conclusion from these observations confirmed the suitability of CNCs as a carrier for BR along with their improved bioavailability caused by the effective interaction between HTF and BR-loaded CNCs. The results also showed that loading BR on CNCs not only improved its water solubility but also led to a sustained release behavior in a simulated gastrointestinal condition of the body.</p><h3>Graphical abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":520,"journal":{"name":"Colloid and Polymer Science","volume":"302 10","pages":"1617 - 1633"},"PeriodicalIF":2.2000,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Colloid and Polymer Science","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s00396-024-05297-0","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
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Abstract
As an antioxidative isoquinoline quaternary alkaloid, berberine (BR) is derived from certain types of plants, such as Berberis aristate, and despite its ability to inhibit cell proliferation, its poor aqueous solubility has limited its effectiveness in treatments. This study attempted to extract cellulose nanocrystals (CNCs) from ginger sticks to perform BR delivery and proceeded by characterizing the prepared CNCs and CNCs-BR by the results of DLS, TEM, FESEM, XRD, and FTIR. Moreover, various biophysical methods were used to investigate the interaction of BR-loaded CNCs with human serum holo-transferrin (HTF). The obtained outcomes confirmed the effectiveness of our spherical CNCs in reducing the size of the drug from 403.06 to 203.42 nm in CNCs-BR and consequently improving the solubility of BR. The XRD analysis approved the successful elimination of amorphous regions in cellulose, while the diminution of crystallinity index after the loading of BR indicated the occurrence of their interaction. The induced alterations in the functional groups and hydrophilicity enhancement of CNCs and CNCs-BR were displayed by FTIR. The fluorescence studies indicated the capability of CNCs-BR in interacting with HTF and quenching its fluorescence emission intensity through a static quenching process, which was revealed by the inverse correlation between Ksv values and temperature. In conformity to the results of synchronous fluorescence spectroscopy, CNCs-BR caused more changes in the vicinity of Trp residue in contrast to Tyr, while the FRET analysis determined the energy transfer between HTF and CNCs-BR to be 0.18, and their distance to be 2.41 nm. The drawn conclusion from these observations confirmed the suitability of CNCs as a carrier for BR along with their improved bioavailability caused by the effective interaction between HTF and BR-loaded CNCs. The results also showed that loading BR on CNCs not only improved its water solubility but also led to a sustained release behavior in a simulated gastrointestinal condition of the body.
期刊介绍：
Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.
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