部分菊科植物叶和花乙醇提取物抗氧化能力及酚类物质含量的评价

Q1 Agricultural and Biological Sciences
Donia Anvari, Rashid Jamei
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引用次数: 7

摘要

背景:药用植物含有大量的天然抗氧化化合物,使其能够中和自由基。菊科是植物化学物质的重要来源。目的:研究菊科5种植物(苦艾、牛蒡、水飞蓟、Centaurea cyanus L.和Echinops ritro L.)的叶和花的抗氧化能力和自由基清除能力。本研究包括植物生物技术最新专利(US20110179530A1)。方法:采用绝对提取法对提取的植物提取物进行总酚含量(TPC)、总黄酮含量(TFC)、总抗氧化能力(TAC)和断链活性(CBA)的测定。测定了硫代巴比图酸(TBA)、2,2-二苯基-1-苦味酰肼(DPPH)、IC50、一氧化氮(NO)、过氧化氢(H2O2)、超氧化物(O-)自由基清除能力和铁还原抗氧化能力(FRAP)。结果:苦艾草对TPC、TBA、FRAP和DPPH自由基的清除能力最高。枸杞提取物对TFC、TAC、CBA和O2自由基的清除作用最大。结论:苦艾草、黄花蒿和黄花蒿均可作为一种易于获取的天然抗氧化剂来源,并可作为食品补充剂或制药工业的潜在原料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Antioxidant Capacity and Phenolic Content in Ethanolic Extracts of Leaves and Flowers of Some Asteraceae Species.

Background: Medicinal plants contain large amount of natural antioxidant compounds, which enable them to neutralize free radicals. Asteraceae family is an important source of phytochemical compounds.

Objective: The objective of this research is to find out the antioxidant potential and radical scavenging from the leaf and flowers of five species (Artemisia absinthium L., Arctium lappa L., Silybum marianum L., Centaurea cyanus L. and Echinops ritro L.) of the Asteraceae family. This research includes recent patents (US20110179530A1) in plant biotechnology.

Methods: The plant extract obtained by absolute extraction method was investigated for Total Phenolic Content (TPC), total Flavonoid Content (TFC), Total Antioxidant Capacity (TAC), and Chain Breaking Activity (CBA). THIOBARBIOTURIC ACID (TBA), 2,2-diphenyl-1-picrylhydrazyl (DPPH), IC50, nitric oxide (NO), hydrogen peroxide (H2O2), superoxide (O-) radical scavenging and Ferric Reducing Antioxidant Power (FRAP) were also measured.

Results: The results showed the highest values for the TPC, TBA, FRAP and DPPH radical scavenging related to A. absinthium. While, A. lappa extract showed the maximum content for TFC, TAC, CBA and O2 radical scavenging. In addition, our results indicated that E. ritro is a good source of NO2 and H2O2 radical scavenging activity (P<0.05). Our findings suggest that the flower is more successful than the leaf.

Conclusion: Artemisia absinthium, A. lappa and E. ritro can be used as an easily accessible source of natural antioxidants and as a possible food supplement or in pharmaceutical industry.

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来源期刊
Recent patents on food, nutrition & agriculture
Recent patents on food, nutrition & agriculture Agricultural and Biological Sciences-Agronomy and Crop Science
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