Phenolic compounds of Ligustrum japonicum Leaves
2006
Jo, J.O. (Dept. of Food Analysis, Institute of Health and Environment, Daegu, Republic of Korea) | Jung, I.C. (Sorabol College, Gyeongju, Republic of Korea), E-mail: [email protected]
This study was designed to investigate the possible utilization of Ligustrum japonicum leaves as a source of functional ingredients, Contents of total phenolic compounds and condensed tannin were 0.89~1.53% and 0.10~0.13%, respectively. The major flavonoid compounds in the leaves of L.japonicum were luteolin, apigenin and their glycosides. Tyrosol, t-cinnamic acid, p-hydroxybenzoic acid, vanillic acid, shikimic acid and protocatecuic acid were detected in free phenolic acid, while tyrosol, t-cinnamic acid, ferulic acid, esculetin, caffeic acid, p-coumaric acid and hydroxytyrosol were detected in esterified phenolic acid.
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