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KMID : 1098420100180050298
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Korean Journal of Medicinal Crop Science
2010 Volume.18 No. 5 p.298 ~ p.304
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Chemical Component Contents and Physiological Activity of Lythrum salicaria L. According to Plant Parts and Collected Time
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Lee Seung-Eun
Park Chun-Geun
Kim Sun-Lim
Soe Jin-Sook
Kim Geum-Soog
Lee Jeong-Hoon
Park Chung-Berm
Kim Young-Churl
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Abstract
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For the investigation of possibility as a useful functional material, different parts of Lythrum salicaria L. harvested at four growth stages were studied in the aspect of bleeding characteristics, chemical composition and in vitro activity. Weights (g/ plant) of L. salicaria plant parts were high in order to stem > leaf > flower > root at the best growth time. Crude lipids (3.59~4.30%) and crude proteins (14.7~23.5%) of L. salicaria leaves were the highest among the other plant parts showed from 0.08~3.54%, and 4.0~21.9%, respectively. Free sugars (2.9~4.2%) and crude ash (11.9~14.8) of leaves also showed the highest value. Free radical scavenging activities of L. salicaria root on 2,2-diphenyl-1-picrylhydrazyl showed from 43.5 ㎍/㎖ to 47.6 ㎍/㎖ as IC50 which were followed by those of flower, leaf, and stem. Root of L. salicaria tested at 100 ㎍/㎖ also showed the most efficient inhibitory effect on lipopolysaccharide (LPS)-induced nitric oxide (NO) production in murine macrophage RAW264.7 cells. Cell viability of the plant parts tested by 3-(4,5-dimethylthiazolyl-2)-2,5-diphenyl tetrazoliumbromide (MTT) assay was high in order to flower, leaf, root, and stem. Total phenol content measured as tannic acid equivalent showed the highest value in flower. In conclusion, among the plant parts, especially leaf of L. salicaria, was rich in the chemical components, and showed efficient antioxidant/ inhibitory activity on free radical and NO production, and was expected to be a functional material candidate.
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KEYWORD
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Antioxidant Activity, DPPH, NO Production, Total Phenol
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