Antioxidant properties of several medicinal mushrooms
Antioxidant properties of several medicinal mushrooms
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DOI：
10.1021/jf0201273
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发表时间：
2002-10-09
影响因子：
6.1
通讯作者：
Chen, CC
中科院分区：
文献类型：
--
作者：
Mau, JL;Lin, HC;Chen, CC
在台湾有三种药用蘑菇是商业上可获得的，即灵芝（Ling-chih）、松杉灵芝（Sung-shan-Ling-chih）和云芝（Yun-chih）。从这些药用蘑菇中提取甲醇提取物，并对其抗氧化性进行研究。在0.6mg/mL浓度下，G.赤芝G.灵芝鹿茸和G. Tsugae的抗氧化活性最强（脂质过氧化率为2.30-6.41%）;杂色仅为58.56%。在4 mg/mL下，还原能力为G级。tsugae（2.38）与G.鹿茸（2.28）>灵芝（G.赤芝（1.62）> C.杂色（0.79）。在0.64mg/mL时，灵芝对1，1-二苯基-2-苦基肼基自由基的清除率为67.6%~ 74.4%，灵芝对1，1-二苯基-2-苦基肼基自由基的清除率为24.6%。杂色的结果表明，灵芝甲醇提取物对自由基的清除作用最强。lucidum和G.灵芝鹿茸在16 mg/mL时对羟自由基的抑制率最高，分别为51.2%和52.6%。在2.4mg/mL时，对亚铁离子的螯合作用的顺序为G。鹿茸（67.7%）>鹿茸（67.7%）;赤芝（55.5%）>松杉（44.8%）>赤芝（55.5%）。杂色（13.2%）。总酚是药用蘑菇甲醇提取物中主要的天然抗氧化成分。总体而言，G. lucidum和G.松杉的抗氧化能力、还原能力、清除能力、螯合能力和总酚含量均高于松杉。
Three species of medicinal mushrooms are commercially available in Taiwan, namely, Ganoderma lucidum (Ling-chih), Ganoderma tsugae (Sung-shan-ling-chih), and Coriolus versicolor (Yun-chih). Methanolic extracts were prepared from these medicinal mushrooms and their antioxidant properties studied. At 0.6 mg/mL, G. lucidum, G. lucidum antler, and G. tsugae showed an excellent antioxidant activity (2.30-6.41% of lipid peroxidation), whereas C. versicolor showed only 58.56%. At 4 mg/mL, reducing powers were in the order G. tsugae (2.38) similar to G. lucidum antler (2.28) > G. lucidum (1.62) > C. versicolor (0.79). At 0.64 mg/mL, scavenging effects on the 1,1-diphenyl-2-picrylhydrazyl radical were 67.6-74.4% for Ganoderma and 24.6% for C. versicolor. The scavenging effect of methanolic extracts from G. lucidum and G. lucidum antler on hydroxyl radical was the highest (51.2 and 52.6%) at 16 mg/mL, respectively. At 2.4 mg/mL, chelating effects on ferrous ion were in the order G. lucidum antler (67.7%) > G. lucidum (55.5%) > G, tsugae (44.8%) > C. versicolor (13.2%). Total phenols were the major naturally occurring antioxidant components found in methanolic extracts from medicinal mushrooms. Overall, G. lucidum and G. tsugae were higher in antioxidant activity, reducing power, scavenging and chelating abilities, and total phenol content.