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当前位置: 首页 > 文章 > Bioactive compounds and antioxidant activities of coldpressed seed oil 中国油料作物学报(英文版) 2018,3 (3) 191-202
Position: Home > Articles > Bioactive compounds and antioxidant activities of coldpressed seed oil Oil Crop Science 2018,3 (3) 191-202

Bioactive compounds and antioxidant activities of coldpressed seed oil

作  者：
Chang Zheng;Mei Yang;Qi Zhou;Fenghong Huang;Wenlin Li;Changsheng Liu
单  位：
关键词：
草本植物;种子;植物学;油料作物
摘  要：
Ten cold-pressed oil from 6 herb plant seeds (sesame, fax, saffower, pumpkin, tomato and hemp) and 4 woody plant seeds (camellia, almond, walnut and peony) were analyzed to determine bioactive compounds content, including tocopherols, phytosterols and phenolics, as well as their antioxidant activities. Total tocopherols content ranged from 161.11 mg/kg in camellia seed oil to 1,072.51 mg/kg in tomato seed oil. Tomato seed oil had the highest total phytosterols (708.89 mg/100 g) and phenolics content (20.27 mg SAE/100 g),whereas, saffower seed oil has the lowest total phytosterols (173.75 mg/100g) and walnut kernel oil contained the lowest phenolics (2.32 mg SAE/100 g), respectively. Tomato seed oil exhibited the strongest ferric-reducing antioxidant power (FARP, 311.36 μmol/100 g) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity (56.40 μmol/100 g), while camellia seed oil had the lowest FRAP value (34.83 μmol/100 g) and fax seed oil had the lowest DPPH value (2.75 μmol/100 g). Correlation coeffcient was determined as 0.647 and 0.863 between FRAP value and total tocopherols and phenolics, and 0.673 and 0.711 between DPPH value and total tocopherols and phenolics (p 〈 0.05), respectively. This result indicated the antioxidant activities (FRAP and DPPH) were highly correlated with total tocopherols and phenolics content of oil. This study will be very useful for comprehensive utilization of all 10 cold-press oils.
译  名：
Bioactive compounds and antioxidant activities of coldpressed seed oil
关键词：
plant seed%cold-pressed oil%bioactive compound%antioxidant activity

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