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布里奇果油的主要化学成分及抗氧化能力研究
Main chemical components and antioxidant ability of Buriti oil
  
DOI：
中文关键词:  布里奇果油  化学成分  抗氧化能力
英文关键词:Buriti oil  chemical component  antioxidant ability
基金项目:
Author NameAffiliation
MA Congcong，XU Jiqu， ZHAO Siqi，etc  
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中文摘要:
      以布里奇果油为研究对象，对其脂肪酸组成以及维生素E、β-胡萝卜素、角鲨烯和β-谷甾醇的含量进行了分析检测，并对布里奇果油进行了DPPH自由基清除能力测试，以评价其抗氧化能力。结果表明：布里奇果油脂肪酸主要由棕榈酸、硬脂酸、油酸、亚油酸、亚麻酸和二十碳烯酸组成，且以单不饱和脂肪酸为主，其油酸含量高达75%以上;布里奇果油中维生素E的构型主要为α-维生素E，平均含量为0.85 g/kg，β-胡萝卜素的平均含量为1.37 g/kg，角鲨烯的平均含量为0.18 g/kg，β-谷甾醇的平均含量为0.29 g/kg。布里奇果油具有良好的抗氧化能力，其清除DPPH自由基的半抑制浓度（IC50)值为11.30 mg/mL。
英文摘要:
      The fatty acid composition and contents of vitamin E, β-carotenes, squalene and β-sitosterol in Buriti oil were determined, and the DPPP free radical scavenging ability of Buriti oil was tested to evaluate its antioxidant ability. The results showed that the Buriti oil mainly contained palmitic acid, stearic acid, oleic acid, linoleic acid, linolenic acid and eicosenoic acid,and it was dominated by unsaturated fatty acid and the content of oleic acid was over 75%. The main vitamin E in Buriti oil was α-vitamin E with average content of 0.85 g/kg, and the average contents of β-carotene, squalene and β-sitosterol were 1.37，0.18 g/kg and 0.29 g/kg respectively. Buriti oil had excellent antioxidant ability, and its semi-inhibitory concentration (IC50) value for scavenging DPPH free radical was 11.30 mg/mL.
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