首页|Comparison of Antioxidant Constituents of Agriophyllum squarrosum Seed with Conventional Crop Seeds
Comparison of Antioxidant Constituents of Agriophyllum squarrosum Seed with Conventional Crop Seeds
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Twelve chemical constituents were identified from the Agriophyllum squarrosum seed (ASS). ASS contained large amounts of flavonoids, which were more concentrated in the seed coat. ASS-coat (1 g) contained 335.7 fig flavonoids of rutin equivalent, which was similar to the flavonoid content in soybean (351.2 µg/g), and greater than that in millet, wheat, rice, peanut, and corn. By LC-MS analysis, the major constituents in ASS were 3-O-[α-L-rhamnopyranosyl-(l→6)-β-D-glucopyranosyl]-7-0-(β-D-glucopyranosyl)-quercetin (1), rutin (4), quercetin-3-0-β-D-apiosyl(l→2)-[α-L-rhamnosyl(l→6)]-β-D-glucoside (2), isorhamnetin-3-O-rutinoside (5), and allantoin (3), compared with isoflavonoids-genistin (16), daidzin (14), and glycitin (18) in soybean. Among constituents in ASS, compounds 1, 2, 4, protocatechuic acid (8), isoquercitrin (11), and luteolin-6-C-glucoside (12) potently scavenged DPPH radicals and intracellular ROS; strongly protected against peroxyl radical-induced DNA scission; and upregulated Nrf2, phos-phorylated p38, phosphorylated JNK, and Bcl-2 in HepG2 cells. These results indicate that ASS is rich in antioxidant constituents that can enrich the varieties of food flavonoids, with significant beneficial implications for those who suffer from oxidative stress-related conditions.
Hai-Yan Xu、Hua-Chuan Zheng、Hui-Wen Zhang、Jin-Yu Zhang、Chao-Mei Ma
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State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, and Key Laboratory of Forage and Endemic Crop Biotechnology of Ministry of Education, School of Life Sciences, Inner Mongolia Univ., Hohhot, P.R. China, 010070
Dept. of Experimental Oncology and Animal Center, Shengjing Hospital of China Medical Univ., Shenyang, China
Inner Mongolia Alashan Cistanche Co. Itd, Alashanzuoqi, Inner Mongolia, China
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Wiley
