Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Dongfeng Chen"'
Publikováno v:
Molecules, Vol 27, Iss 15, p 4842 (2022)
Phytophenol dimerization, which is a radical-mediated coupling reaction, plays a critical role in many fields, including lignin biosynthesis. To understand the reaction, 2,2-diphenyl-1-picrylhydrazyl radical was used to initiate a series of phytophen
Externí odkaz:
https://doaj.org/article/3a6832342ca040b4b9fe469bcd794f8a
Autor:
Lin Yang, Yangping Liu, Wenhui Zhang, Yujie Hua, Ban Chen, Quanzhou Wu, Dongfeng Chen, Shuqin Liu, Xican Li
Publikováno v:
Molecules, Vol 26, Iss 14, p 4300 (2021)
The search for a safe and effective inhibitor of ferroptosis, a recently described cell death pathway, has attracted increasing interest from scientists. Two hydrolyzable tannins, chebulagic acid and chebulinic acid, were selected for the study. Thei
Externí odkaz:
https://doaj.org/article/62588d43e27e45b1802ec68ab62fe44c
Publikováno v:
Molecules, Vol 26, Iss 4, p 1092 (2021)
Synthetic arylamines and dietary phytophenolics could inhibit ferroptosis, a recently discovered regulated cell death process. However, no study indicates whether their inhibitory mechanisms are inherently different. Herein, the ferroptosis-inhibitor
Externí odkaz:
https://doaj.org/article/40dbb5950406445f95ee5db913c4570e
Publikováno v:
Molecules, Vol 25, Iss 3, p 674 (2020)
To elucidate the mechanism of anti-ferroptosis and examine structural optimization in natural phenolics, cellular and chemical assays were performed with 2′-hydroxy chalcone butein and dihydroflavone (S)-butin. C11-BODIPY staining and flow cytometr
Externí odkaz:
https://doaj.org/article/6d8af06c0b4f487dbfe6ec71191f6ffa
Publikováno v:
Molecules, Vol 24, Iss 15, p 2769 (2019)
The biological process, 3-O-galactosylation, is important in plant cells. To understand the mechanism of the reduction of flavonol antioxidative activity by 3-O-galactosylation, myricetin-3-O-galactoside (M3OGa) and myricetin aglycone were each incub
Externí odkaz:
https://doaj.org/article/d8d332378c974c4bb23fe44b6b30e19d
Publikováno v:
Molecules, Vol 24, Iss 11, p 2039 (2019)
To probe the effect of 3′,8″-dimerization on antioxidant flavonoids, acacetin and its 3′,8″-dimer isoginkgetin were comparatively analyzed using three antioxidant assays, namely, the ·O2− scavenging assay, the Cu2+ reducing assay, and the
Externí odkaz:
https://doaj.org/article/a89737fdf15c4707834c181c2753a95c
Publikováno v:
Molecules, Vol 23, Iss 12, p 3225 (2018)
To explore whether and how glucuronidation affects pyrogallol-type phytophenols, scutellarein and scutellarin (scutellarein-7-O-glucuronide) were comparatively investigated using a set of antioxidant analyses, including spectrophotometric analysis, U
Externí odkaz:
https://doaj.org/article/52b0dd7559c8449eb76802691ce9655d
Publikováno v:
Molecules, Vol 24, Iss 1, p 3 (2018)
Echinatin and its 1,1-dimethyl-2-propenyl derivative licochalcone A are two chalcones found in the Chinese herbal medicine Gancao. First, their antioxidant mechanisms were investigated using four sets of colorimetric measurements in this study. Three
Externí odkaz:
https://doaj.org/article/0eadd71901ed4e41a747a177f48258e5
Publikováno v:
Molecules, Vol 23, Iss 12, p 3083 (2018)
To clarify the role of the B-ring in antioxidant flavonols, we performed a comparative study between galangin with a null B-ring and 3,5,7-trihydroxychromone without a B-ring using five spectrophotometric assays, namely, •O2−-scavenging, 1,1-diph
Externí odkaz:
https://doaj.org/article/4b0b2a0127d444e7834006bdff73dd7a
Autor:
Xican Li, Zhenxing Ren, Zimei Wu, Zhen Fu, Hong Xie, Langyu Deng, Xiaohua Jiang, Dongfeng Chen
Publikováno v:
Molecules, Vol 23, Iss 10, p 2610 (2018)
Sanggenons C and D are two Diels-Alder-type adducts from Chinese crude drug Sang-bai-pi. Structurally, both sanggenons construct stereoisomers. In the study, they were comparatively determined using four antioxidant assays, including ferric ion reduc
Externí odkaz:
https://doaj.org/article/7148fbff7659484983ba31132fcb5dde