Comprehensive evaluation on tailor-made deep eutectic solvents (DESs) in extracting tea saponins from seed pomace of Camellia oleifera Abel

文献类型： 外文期刊

第一作者： Tang, Yayuan

作者： Tang, Yayuan;He, Xuemei;Sun, Jian;Liu, Guoming;Li, Changbao;Li, Li;Sheng, Jinfeng;Zhou, Zhugui;Xin, Ming;Ling, Dongning;Yi, Ping;Zheng, Fengjin;Li, Jiemin;Li, Zhichun;Yang, Ying;Tang, Jie;Chen, Xi;Tang, Yayuan;He, Xuemei;Sun, Jian;Liu, Guoming;Li, Changbao;Li, Li;Sheng, Jinfeng;Zhou, Zhugui;Xin, Ming;Ling, Dongning;Yi, Ping;Zheng, Fengjin;Li, Jiemin;Li, Zhichun;Yang, Ying;Tang, Jie;Chen, Xi

作者机构：

关键词： Tea saponin; Deep eutectic solvent; Camellia oleifera seed pomace; Component identification; Bioactivity

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2021 年 342 卷

页码：

收录情况： SCI

摘要： Tea saponins from Camellia oleifera Abel. seed pomace are new sources of commercial saponins. This study established an eco-friendly and efficient extraction method for tea saponins from C. oleifera seed pomace. A ternary deep eutectic solvent (DES) composed of L-proline, glycerol and sucrose (4:10:1 in molar ratio, abbreviated as PGS-5) achieved the highest extraction yield of tea saponins among all screened DESs. A maximum extraction yield of 23.22 +/- 0.28% was obtained using PGS-5 under the optimized extraction time, DES concentration and liquid-solid ratio. Through ultraviolet, Fourier transform infrared spectroscopy and ultrahigh performance liquid chromatography-Q Exactive HF mass spectroscopy, as well as analyses of antioxidant and antimicrobial activities, it was determined that extracted saponins did not altered during processing. Therefore, PGS-5 can serve as a solvent to obtain stable and beneficial tea saponins from C. oleifera seed pomace.

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