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Extraction of Flavonoid Components from Persimmon Leaf, Thistle and New Green
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  • Journal title : Applied Chemistry for Engineering
  • Volume 27, Issue 3,  2016, pp.276-279
  • Publisher : The Korean Society of Industrial and Engineering Chemistry
  • DOI : 10.14478/ace.2016.1027
 Title & Authors
Extraction of Flavonoid Components from Persimmon Leaf, Thistle and New Green
Hong, In Kwon; Park, Bo Ra; Jeon, Gil Song; Lee, Seung Bum;
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 Abstract
In this study, we extracted active components from thistle, persimmon leaf, and new green which are known to have a high content of antioxidants and also analyzed the 1,1-Diphenyl-2-picrylhydrazyl (DPPH) radical scavening activity and flavonoid content. Both ultrapure water and alcohol were used as extraction solvents and the ratio of both solvents, sample, amunts extraction time, and extraction temperature were varied. The optimal extraction condition of each natural compounds were 2.5~3.5 h of the extraction time and 50 g/L of the sample amount. The optimal ratio of ultrapure water and alcohol and extraction temperature were as follows; persimmon leaf (55~65 vol%, ), thistle (40~50 vol%, ) and new green (55~65 vol%, ). In addition, the antioxidant capacity and flavonoid content of the extract increased in the order of persimmon leaf, thistle, and new green.
 Keywords
flavonoid contents;extraction;persimmon leaf;thistle;new green;
 Language
Korean
 Cited by
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