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Changes in the Compound and Bioactivity of Suaeda japonica Makino Extract by Different Harvesting Time

Biomedical Science Letters 2020년 26권 4호 p.376 ~ 382
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Abstract


This study was the change of compound and bioactivity were analyzed by different harvesting time (May, August, and November) of Suaeda japonica Makino. The total polyphenol and flavonoid contents of S. japonica were the highest at about 22.81 mg GAE/g and 4.56 mg QE/g, respectively, in the S. japonica harvested in Nov. Also, the contents of quercetin, showed the highest content in Nov harvested S. japonica. In addition, the antioxidative activity of each extract from S. japonica changed depending on harvesting time. For S. japonica harvested in Nov showed the highest DPPH and ABTS radical scavenging activity. From the NO inhibition assay, the S. japonica harvested in Nov had shown the highest anti-inflammatory effects. Therefore, consideration of the optimal harvesting time for S. japonica could be an important factor attributing to its natural antioxidant and anti-inflammatory properties and the optimal harvesting time was confirmed especially to be in Nov.

키워드

Different harvesting time; Suaeda japonica Makino; Polyphenol; Anti-inflammatory; Antioxidant

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