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 …

Structure characterization of proanthocyanidins from Caryota ochlandra Hance and their bioactivities

XX Chen, HL Feng, YM Ding, WM Chai, ZH Xiang… - Food chemistry, 2014 - Elsevier
Abstract Proanthocyanidins (PAs) from Caryota ochlandra fruit pericarp and fruit flesh were
characterized by 13 C nuclear magnetic resonance, high performance liquid …

Structural features, antioxidant and tyrosinase inhibitory activities of proanthocyanidins in leaves of two tea cultivars

W Song, XF Zhu, XD Ding, HB Yang… - … Journal of Food …, 2017 - Taylor & Francis
In this study the structural features, antioxidant, and tyrosinase inhibitory activities of
proanthocyanidins in leaves of two tea cultivars, namely Huangjingui and Qilan, were …

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 …

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 …

Antioxidant and antityrosinase proanthocyanidins from Polyalthia longifolia leaves

XX Chen, G Liang, WM Chai, HL Feng, HT Zhou… - Journal of bioscience …, 2014 - Elsevier
In the present study the structure of proanthocyanidins from Polyalthia longifolia leaves was
characterized with 13 C nuclear magnetic resonance, high performance liquid …

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 …

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 …

Antityrosinase and antioxidant properties of mung bean seed proanthocyanidins: Novel insights into the inhibitory mechanism

WM Chai, C Ou-Yang, Q Huang, MZ Lin, YX Wang… - Food chemistry, 2018 - Elsevier
This study investigated the structure, antioxidant activity, antityrosinase activity and
mechanism of proanthocyanidins from mung bean seed [Vigna radiata (L.) Wilczek]. The …

Isolation and purification of condensed tannins from flamboyant tree and their antioxidant and antityrosinase activities

HL Feng, L Tian, WM Chai, XX Chen, Y Shi… - Applied biochemistry …, 2014 - Springer
Flamboyant tree, a kind of medicinal plant, was studied as a source of condensed tannins.
The antioxidant activities of the condensed tannins from the leaf, fruit, and stem bark of …