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KMID : 1134820080370080957
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Journal of the Korean Society of Food Science and Nutrition
2008 Volume.37 No. 8 p.957 ~ p.964
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Physiological Activities of Dried Persimmon, Fresh Persimmon and Persimmon Leaves
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Hong Jung-Hee
Lee In-Seon
Choi Yong-Hwa
Kim Hyun-Jeong
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Abstract
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Antioxidative, antidiabetes, antibacterial, anticancer and angiotensin-converting enzyme (ACE) inhibitory
activities of methanol extracts of dried persimmon, fresh persimmon and persimmon leaves were investigated.
Total polyphenol content of dried persimmon, fresh persimmon and persimmon leaves were 147.79, 301.45 and
315.90 μg/mg, respectively, of which fresh persimmon and persimmon leaves had significantly higher total
polyphenol than dried persimmon. Activities of DPPH radical scavenging, lipid peroxidation inhibition and
salivary α-amylase inhibition were increased in persimmon leaves related to total polyphenol contents.
Anticancer activities against AGS of fresh persimmon and persimmon leaves were 65～70%; however, there
were no significant differences between dried persimmon and fresh persimmon on free radical scavenging
activity and inhibitory activity of salivary α-amylase. Also, extracts of dried persimmon, fresh persimmon
and persimmon leaves showed good ACE inhibitory activities. Dried persimmon and fresh persimmon showed
antibacterial activities on E.coli O157:H7. Therefore, there are many difference activities by dried and parts
of persimmon. From this result, it is suggested that persimmon leaves is believed to have possible antioxidative,
antidiabetes and anticancer capacities by polyphenol, but further studies on the identification of the active
compound(s) as antioxidant, antidiabetic, antihypertensive and antibacterial materials will be needed to develop
a better understanding of its potency on persimmons.
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KEYWORD
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antioxidative, antidiabetes, antibacterial, anticancer, antihypertensive
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