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Natural deep eutectic solvents as a biocompatible tool for the extraction of blueberry anthocyanins
Journal of Food Composition and Analysis ( IF 4.0 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.jfca.2020.103470
Dariane Trivisiol da Silva , Roberson Pauletto , Sabrina da Silva Cavalheiro , Vivian Caetano Bochi , Eliseu Rodrigues , Julia Weber , Cristiane de Bona da Silva , Fernando Dal Pont Morisso , Milene Teixeira Barcia , Tatiana Emanuelli

Abstract The extraction of blueberry anthocyanins with natural deep eutectic solvents (NADES) based on choline chloride:glycerol:citric acid was optimized by simplex centroid design to find the best molar ratio for the solvent. Choline chloride:glycerol:citric acid at the molar ratio of 0.5:2:0.5 (NADES 6) was the optimal NADES for extraction. NADES 6 was as efficient as the conventional organic solvent (methanol:water:formic acid) when compared at the same sample:solvent ratio and yielded about 76 % of blueberry anthocyanins compared to an exhaustive extraction with the organic solvent. NADES 6 yielded higher proportion of arabinoside anthocyanins and lower proportion of galactoside anthocyanins than the organic solvent. Thus, NADES can be assumed as a cheaper substitute for organic solvents, yielding biocompatible extracts of blueberry that are selectively enriched in arabinoside anthocyanins.

中文翻译:

天然低共熔溶剂作为提取蓝莓花青素的生物相容性工具

摘要 以氯化胆碱:甘油:柠檬酸为基础的天然低共熔溶剂(NADES)通过单纯形心设计优化蓝莓花青素的提取,寻找最佳溶剂摩尔比。摩尔比为 0.5:2:0.5 (NADES 6) 的氯化胆碱:甘油:柠檬酸是提取的最佳 NADES。NADES 6 与传统有机溶剂(甲醇:水:甲酸)一样有效,在相同的样品:溶剂比例下进行比较,与使用有机溶剂彻底提取相比,蓝莓花青素的产量约为 76%。与有机溶剂相比,NADES 6 产生更高比例的阿拉伯糖苷花色苷和更低比例的半乳糖苷花色苷。因此,可以假设 NADES 是一种更便宜的有机溶剂替代品,
更新日期:2020-06-01
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