
朱红栓菌提取物抗氧化、抗肿瘤活性评价及相关化学成分分析
Antioxidant and anti-tumor activities and main chemical constituent analysis of Trametes cinnabarina fruiting body extract
采用石油醚、乙酸乙酯、乙醇浸提朱红栓菌 Trametes cinnabarina 子实体干粉,得到不同极性提取物;采用清除DPPH 自由基、羟自由基、超氧阴离子自由基能力,测定提取物的体外抗氧化活性;MTT法检测提取物对人肝癌细胞株HepG2细胞增殖的抑制作用。结果表明,朱红栓菌石油醚、乙酸乙酯、乙醇提取物均具有一定的抗氧化、抗肿瘤活性;各提取物在浓度为4-5mg/mL时,对DPPH自由基、羟自由基和超氧阴离子自由基清除能力大小依次为乙酸乙酯提取物>乙醇提取物>石油醚提取物;乙酸乙酯提取物对3种自由基的最高清除率分别为60.23%、74.49%、63.84%。各提取物对人肝癌细胞株HepG2细胞增殖抑制作用大小依次为乙酸乙酯提取物>乙醇提取物>石油醚提取物;乙酸乙酯提取物的抑制率最高达55.93%。采用硅胶和凝胶等柱色谱方法结合核磁、波谱和质谱等技术对乙酸乙酯提取物的化学组分进行分析,共分离纯化出11种化合物,分别鉴定为:麦角甾醇(1),邻苯二甲酸二丁酯(2),对羟基苯甲酸甲酯(3),麦角甾-7,22,二烯-3-酮(4),1-[(12E,16E)-12,16-二十碳二烯酰基]-2-[(E,E)-7,11-十八碳二烯酰基]-3-硬脂酰基甘油(5),cinnabarin(6),过氧麦角甾醇(7),尿嘧啶(8),甘露醇(9),腺嘌呤核苷(10),豆甾-7,22-二烯-3β,5α,6β-三醇(11)。除化合物6外均为首次从朱红栓菌子实体中分离得到。研究结果为开发利用朱红栓菌子实体提供了科学依据。
Different polarity extract was prepared from Trametes cinnabarina fruiting body powder by petroleum ether, ethyl acetate and ethanol. The antioxidant activities of three kinds of the extract were evaluated by scavenging free radical ability of 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydroxyl radical and superoxide anion radical. The results indicated that the extract possessed antioxidant activity in vitro. In terms of antioxidant activity, the ethyl acetate extract is the best among the three kinds of extract. The highest scavenging rate of DPPH radical, hydroxyl radical and superoxide anion radical was 60.23%, 74.49% and 63.84%, respectively. The anti-tumor activities of different extract were evaluated by MTT method via measuring inhibition rate of cell proliferation of HepG2 cell lines. The results showed that all kinds of extract displayed anti-tumor activities in vitro. The anti-tumor activity of ethyl acetate extract is the best, compared with ethanol extract and petroleum ether extract. The highest inhibition rate of the ethyl acetate extract to HepG2 cells was 55.93%. The chemical constituents of the ethyl acetate extract were isolated and purified using silica gel column chromatography. NMR and MS spectral analysis were used to identify the structure of obtained compounds. Eleven kinds of compounds were finally isolated and identified as follows: ergosterol (1), phthalic acid dibutyl ester (2), methyl 4-hydroxybenzoate (3), ergosta-7,22-dien-3-one (4), 1-[(12E,16E)-12,16-eicosadienoyl]-2-[(E,E)-7,11-octadecadienoyl]-3-stearoylglycerol (5), cinnabarin (6), ergosterol peroxide (7), uracil (8), mannitol (9), adenosine (10) and (22E, 24S)-24-methyl-5α-choleata-7, 22-diene-3β, 5, 6β-triol (11). All compounds except for cinnabarin were isolated from the fruiting body of T. cinnabarina for the first time. The results provide scientific basis for development and utilization of fruiting body of T. cinnabarina.
朱红栓菌 / 石油醚提取物 / 乙酸乙酯提取物 / 乙醇提取物 / 抗氧化 / 抗肿瘤 {{custom_keyword}} /
Trametes cinnabarina / petroleum ether extract / ethyl acetate extract / ethanol extract / antioxidant / anti-tumor {{custom_keyword}} /
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The authors have declared that no competing interests exist.
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