Characteristics of the leaf parts of some traditional Korean salad plants used for food
Characteristics of the leaf parts of some traditional Korean salad plants used for food
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DOI：
10.1002/jsfa.3304
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发表时间：
2008-08-30
影响因子：
4.1
通讯作者：
Gorinstein, Shela
中科院分区：
文献类型：
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作者：
Chon, Sang-Uk;Heo, Buk-Gu;Gorinstein, Shela
背景：研究了13种韩国传统沙拉植物叶部甲醇提取物的总酚含量、抗氧化活性和细胞毒性。结果：木参甲醇提取物中酚类物质含量最高（mg阿威酸当量kg（-1）干重（d.w.），略1），为293.7 +/- 6.0，其次为羽茅（250.7 +/- 3.3）、鹿蹄草（125.0 +/- 8.1）和木参（122.5 +/- 5.9）。甲醇植物提取物剂量依赖性地增加自由基清除活性。在31 mg kg-1浓度下，木参、刺茅和石竹甲醇提取物对DPPH自由基的清除能力最高，分别为90.8 +/- 4.2、85.7 +/- 3.9和64.1 +/- 3.2。3（4,5-二甲基噻唑-2-酰基）-2,5-二苯基溴化四唑（MTT）测定结果表明，马齿苋甲醇提取物（IC50 < 25.0 μ g mL(-1)）对Calu-6的细胞毒性最强，其次是车前草（49.2 μ g mL(-1)）和粳稻（89.6 μ g mL(-1)）。结论：所试植物提取物中总酚类化合物的含量与DPPH自由基清除能力相关，提示这些酚类化合物参与了韩国沙拉植物抗氧化性能的发挥。这里描述的13种韩国传统沙拉植物的叶子部分目前被用作食物，也可能对人类健康有益，研究它们作为预防和/或治疗剂的潜在益处是有必要的。(C) 2008年化学工业学会。
BACKGROUND: Total phenolics content, antioxidant activity and cytotoxicity of the methanol extracts from leaf parts of 13 Korean traditional salad plants were investigated in order to determine their properties.RESULTS: The highest phenolics content (mg ferulic acid equivalents kg(-1) dry weight (d.w.), omit one) was found in methanol extracts from Polygonum aviculare, at: 293.7 +/- 6.0, followed by Euonymus alatus, at 250.7 +/- 3.3, Saxifraga stolonifera, at 125.0 +/- 8.1 and Ligularin fischeri, at 122.5 +/- 5.9. The methanol plant extracts dose-dependently increased free radical scavenging activity. Methanol extracts of Polygonum aviculare, Euonymus alatus and Saxifraga stolonifera, at 31 mg kg-1, exhibited the highest 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity (%) by 90.8 +/- 4.2, 85.7 +/- 3.9 and 64.1 +/- 3.2, respectively. According to 3(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, the methanol extracts from Portulaca oleracea (IC50 < 25.0 mu g mL(-1)) showed the highest cytotoxicity against Calu-6, followed by Plantago asiatica (49.2 mu g mL(-1)) and Osmunda japonica (89.6 mu g mL(-1)).CONCLUSION: Total phenolics content of the tested plant extracts was correlated with the DPPH radical scavenging activity, suggesting the phenolics compounds are contributing to the antioxidant properties of Korean salad plants. The leaf parts of the 13 Korean traditional salad plants described here that are currently used as foods may also provide some benefit to human health, and research into their potential benefits as preventative and/or therapeutic agents is warranted. (C) 2008 Society of Chemical Industry.