Comparison of Chemical Compositions, Antioxidant, and Anti-Photoaging Activities of Flowers at Different Flowering Stages.

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2019
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Abstract
is an ornamental, edible, and medicinal plant. The ethanolic extracts of . bud and flower were examined for their antioxidant, anti-photoaging, and phytochemical properties prior to chemometric analysis. The results showed that the bud ethanolic extract (BEE) and the flower (the early flowering stage) ethanolic extract (FEE) had better antioxidant activities, and significantly increased the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) and reduced the levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in the skin tissues. In total, 68 compounds, including 20 flavonoids, 15 phenolic derivatives, 12 terpenoids, 9 fatty acids, and 12 others were identified or tentatively identified by ultra-fast liquid chromatography quadrupole time-of-flight mass spectrometry (UFLC-Q-TOF-MS). Gallic acid, 1,2,3,4,6--pentagalloyl glucose, paeoniflorin, and oxypaeoniflorin were predominant compounds in the extracts. Taken together, . flowers are a candidate for functional material in food and health related industries, and their optimal time to harvest is before the early flowering stage.
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he2019comparisonantioxidants Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors He, Jingyu;Dong, Yaqian;Liu, Xiaoyan;Wan, Yiling;Gu, Tanwei;Zhou, Xuefeng;Liu, Menghua;
Journal Antioxidants (Basel, Switzerland)
Year 2019
DOI
E345
URL
Keywords
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