Structure analysis and tyrosinase, melanogenesis, α-glucosidase, and nonenzymatic glycation inhibitory activities of polymeric proanthocyanidins from the pulp of …

YQ Liang, YT Wen, QQ Fu, ZY Yu, LJ Wang… - Industrial Crops and …, 2022 - Elsevier
Crataegus pinnatifida Bge. is a worthwhile industrial crop for its extensive application in
Chinese herbal pharmaceuticals, food, and other industries. In this study, proanthocyanidins …

Structural analysis of proanthocyanidins isolated from fruit stone of Chinese hawthorn with potent antityrosinase and antioxidant activity

WM Chai, CM Chen, YS Gao, HL Feng… - Journal of Agricultural …, 2014 - ACS Publications
Proanthocyanidins were isolated from fruit stone of Chinese hawthorn (Crataegus
pinnatifida Bge. var. major NE Br.). Their structures were analyzed and elucidated by …

Inhibition of tyrosinase by cherimoya pericarp proanthocyanidins: Structural characterization, inhibitory activity and mechanism

WM Chai, MZ Lin, YX Wang, KL Xu, WY Huang… - Food Research …, 2017 - Elsevier
In this study, the structure of proanthocyanidins purified from cherimoya (Annona squamosa)
pericarp was analyzed by ESI-QTOF-MS and HPLC analyses. The result indicated that these …

Novel Insights into the Inhibitory Effect and Mechanism of Proanthocyanidins from Pyracantha fortuneana Fruit on α‐Glucosidase

M Wei, WM Chai, Q Yang, R Wang… - Journal of food …, 2017 - Wiley Online Library
Proanthocyanidins were extracted from Pyracantha fortuneana fruit (PFF), and their
structures were investigated through 13C nuclear magnetic resonance (13C NMR), high …

Condensed tannins from the leave of Dimocarpus longan Lour. exhibit anti-tyrosinase, anti-melanogenesis, anti-browning, anti-α-glucosidase, and anti-glycation …

W Chai, Q Pan, Q Bai, Y Wu, W Wei, L Wang… - Industrial Crops and …, 2023 - Elsevier
Dimocarpus longan Lour. is a valuable industrial crop for its broad applications in food,
traditional Chinese medicine, and other fields. In this paper, condensed tannins were …

Characterization and Potential Antidiabetic Activity of Proanthocyanidins from the Barks of Acacia mangium and Larix gmelinii

X Chen, J Xiong, Q He, F Wang - Journal of Chemistry, 2019 - Wiley Online Library
Proanthocyanidins in ethanol extracts from the barks of Acacia mangium and Larix gmelinii
were analyzed by gel permeation chromatography, MALDI‐TOF/TOF MS, and HPLC/MS …

Structure characterization and anti-tyrosinase mechanism of polymeric proanthocyanidins fractionated from kiwifruit pericarp

WM Chai, Y Shi, HL Feng, L Xu, ZH Xiang… - Journal of agricultural …, 2014 - ACS Publications
To provide information on the structure, activity, and structure–activity relationship of kiwifruit
(Actinidia chinensis) pericarp proanthocyanidins (PAs), they were separated into three …

Avocado proanthocyanidins as a source of tyrosinase inhibitors: Structure characterization, inhibitory activity, and mechanism

WM Chai, MK Wei, R Wang, RG Deng… - Journal of agricultural …, 2015 - ACS Publications
Proanthocyanidins were purified from avocado (Persea americana) fruit, and their structures
were analyzed by matrix-assisted laser desorption/ionization–time-of-flight mass …

Proanthocyanidins purified from fruit pericarp of Clausena lansium (Lour.) Skeels as efficient tyrosinase inhibitors: structure evaluation, inhibitory activity and …

WM Chai, MZ Lin, HL Feng, ZR Zou, YX Wang - Food & function, 2017 - pubs.rsc.org
Fruit pericarp of Clausena lansium (Lour.) Skeels, a food waste, was selected as a raw
material for proanthocyanidins. The proanthocyanidins' structures were integrally analyzed …

Structural and Functional Characterization of Polyphenols Isolated from Acerola (Malpighia emarginata DC.) Fruit

T Hanamura, T Hagiwara… - Bioscience, biotechnology …, 2005 - Taylor & Francis
Two anthocyanins, cyanidin-3-α-O-rhamnoside (C3R) and pelargonidin-3-α-O-rhamnoside
(P3R), and quercitrin (quercetin-3-α-O-rhamnoside), were isolated from acerola (Malpighia …