苎麻不同营养器官的酚类物质组成、抗氧化和抗增殖活性的比较研究。
Comparative Study of Phenolic Profiles, Antioxidant and Antiproliferative Activities in Different Vegetative Parts of Ramie ( L.).
机构信息
School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
Department of Food Science, Stocking Hall, Cornell University, Ithaca, NY 14853, USA.
出版信息
Molecules. 2019 Apr 19;24(8):1551. doi: 10.3390/molecules24081551.
Ramie ( L.) is usually cultivated as a fiber crop, but it is also well known for its potential use in animal feeding with viable commercial applications. In this study, the phenolics profile as well as cellular antioxidant and antiproliferative activities were investigated in free and bound fractions of six different vegetative parts from L. The highest total phenolic content was observed in bud (4585 ± 320 mg GAE/100 g DW), whereas root and petiole had the lowest total phenolic contents, 442.8 ± 9.8 and 630.9 ± 27.0 mg GAE/100 g DW, respectively. Likewise, phloem had the most abundant total flavonoids (2755 ± 184 mg CE/100 g DW), whereas the lowest flavonoid contents was found in root and petiole, 636.9 ± 44.2 and 797.4 ± 87.6 mg CE/100 g DW, respectively. Xylem and bud depicted remarkable antioxidant and antiproliferative activities, which could be explained by their diverse phenolic composition, especially chlorogenic acid and epicatechin. The L. plant might be a valuable resource for high value-added phenolic compounds used in food and non-food industries.
苎麻（L.）通常被培育为纤维作物，但它也因其在动物饲料中的潜在用途而广为人知，具有可行的商业应用前景。在这项研究中，研究了六种不同营养器官的游离和结合部分的酚类物质组成以及细胞抗氧化和抗增殖活性。芽中总酚含量最高（4585 ± 320 mg GAE/100 g DW），而根和叶柄的总酚含量最低，分别为 442.8 ± 9.8 和 630.9 ± 27.0 mg GAE/100 g DW。同样，韧皮部总黄酮含量最丰富（2755 ± 184 mg CE/100 g DW），而根和叶柄的黄酮含量最低，分别为 636.9 ± 44.2 和 797.4 ± 87.6 mg CE/100 g DW。木质部和芽表现出显著的抗氧化和抗增殖活性，这可以用它们不同的酚类组成来解释，特别是绿原酸和表儿茶素。苎麻植物可能是一种有价值的资源，可用于食品和非食品工业的高附加值酚类化合物。
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