绿色超声辅助下的深共晶溶剂萃取蓝花中黄酮类酶抑制剂:工艺优化、表征以及α -葡萄糖苷酶和酪氨酸酶抑制的机理研究。

IF 5.4 2区 医学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Wei Dai, Liping Dai, Tao Su, Qin Lin, Zhiwen Lin, Shuxin Ye, Peihao Xu, Hongfeng Chen, Xilong Zheng
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引用次数: 0

摘要

优化了绿色超声辅助深度共晶溶剂法(UAE-DES)提取蓝草叶中类黄酮酶抑制剂的工艺条件。最佳工艺条件(氯化胆碱-1,4-丁二醇摩尔比1:3,水含量43%,液料比50 mL/g,超声80℃提取48 min)总黄酮提取率为3.15%,比50%乙醇提取高45.2%。扫描电镜证实细胞壁破坏。UAE-DES提取物对α-葡萄糖苷酶的IC50为35.872±0.294 μg/mL,对酪氨酸酶的IC50为9.126±0.285 μg/mL,但对α-葡萄糖苷酶的抑制作用远弱于阿卡波糖,对酪氨酸酶的抑制作用与曲酸相当。通过UPLC-Q-Orbitrap液相色谱法鉴定出6种黄酮类化合物,其中包括鸢尾素和鸢尾素。分子对接显示出较强的结合亲和性(≤-5 kcal/mol),其中通过氢键和范德华相互作用与两种酶的结合程度最高。这种方法支持持续发现用于抗糖尿病和皮肤美白应用的天然酶抑制剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Green ultrasound‑assisted deep eutectic solvent extraction of flavonoid enzyme inhibitors from Blumea aromatica: process optimization, characterization, and mechanistic insights into α‑glucosidase and tyrosinase inhibition.

A green ultrasound-assisted deep eutectic solvent (UAE-DES) method was optimised for extracting flavonoid enzyme inhibitors from Blumea aromatica. Optimal conditions (choline chloride-1,4-butanediol 1:3 molar ratio, 43% water content, 50 mL/g liquid-to-solid ratio, 80 °C ultrasound for 48 min) yielded 3.15% total flavonoids, 45.2% higher than 50% ethanol extraction. Scanning electron microscopy confirmed cell wall disruption. The UAE-DES extract showed the strongest enzyme inhibition among all extracts tested (IC50 35.872 ± 0.294 µg/mL for α-glucosidase, 9.126 ± 0.285 μg/mL for tyrosinase), though the α-glucosidase inhibition was much weaker than acarbose, while tyrosinase inhibition was comparable to kojic acid. Six flavonoids were identified via UPLC-Q-Orbitrap HRMS, including scutellarein and corylin. Molecular docking revealed strong binding affinities (≤ -5 kcal/mol), with corylin showing the highest binding to both enzymes through hydrogen bonds and van der Waals interactions. This approach supports sustainable discovery of natural enzyme inhibitors for antidiabetic and skin-whitening applications.

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来源期刊
CiteScore
10.30
自引率
10.70%
发文量
195
审稿时长
4-8 weeks
期刊介绍: Journal of Enzyme Inhibition and Medicinal Chemistry publishes open access research on enzyme inhibitors, inhibitory processes, and agonist/antagonist receptor interactions in the development of medicinal and anti-cancer agents. Journal of Enzyme Inhibition and Medicinal Chemistry aims to provide an international and interdisciplinary platform for the latest findings in enzyme inhibition research. The journal’s focus includes current developments in: Enzymology; Cell biology; Chemical biology; Microbiology; Physiology; Pharmacology leading to drug design; Molecular recognition processes; Distribution and metabolism of biologically active compounds.
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