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首页> 外文期刊>Journal of Food Science and Nutrition >Antioxidative activity of phenolic compounds in roasted safflower (Carthamus tinctorius L.) seeds
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Antioxidative activity of phenolic compounds in roasted safflower (Carthamus tinctorius L.) seeds

机译：烤红花（Carthamus tinctorius L.）种子中酚类化合物的抗氧化活性

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摘要

Antioxidative compounds contained in roasted safflower seeds were investigated. Six phenolic compounds, N-feruloylserotonin, N-(p-coumaroyl) serotonin, matairesinoi, 8'-hydroxyarctigenin, acacetin 7-O-#beta#-D-glucoside (tilianine) and acacetin were isolated and identified from the extract of seeds. The inhibitory effects of six phenolic compounds on 1,1-diphenyl-2-picrylhydrazyi (DPPH) radical and lipid peroxidation induced by H_2O_2/FeSO_4 in rat liver microsomes were determined. Two serotonins showed more potent DPPH radical scavenging activity, and a stronger inhibitory effect on the lipid peroxidation than that of #alpha#-tocopherol. In addition, acacetin and matairesinoi also considerably inhibited lipid peroxidation, while 2-hydroxy- arctigenin and tilianine were inactive. These results suggest that phenolic compounds, including serotonins, lignans and fiavonoids in the roasted safflower seeds can be used as potential dietary natural antioxidants.
机译：研究了烤红花种子中所含的抗氧化化合物。从种子提取物中分离并鉴定了六种酚类化合物，N-阿魏酰基5-羟色胺，N-（对-香豆酰基）5-羟色胺，matairesinoi，8'-羟基arctigenin，acacetin 7-O-＃beta＃-D-葡萄糖苷（til碱）和acacetin 。确定了六种酚类化合物对H_2O_2 / FeSO_4诱导的大鼠肝微粒体中1,1-二苯基-2-吡啶基肼基（DPPH）自由基和脂质过氧化的抑制作用。与＃alpha＃-生育酚相比，两种血清素显示出更强的DPPH自由基清除活性，并且对脂质过氧化的抑制作用更强。此外，阿卡西汀和马替雷西尼也显着抑制脂质过氧化，而2-羟基-Arctigenin和tilianine没有活性。这些结果表明，烤红花种子中的酚类化合物（包括5-羟色胺，木脂素和类黄酮）可用作潜在的饮食天然抗氧化剂。

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