Biological Activities of Extracts from Some Local Plants in Pakpanang, Nakhon Si Thammarat Province: Antioxidant and Antibacterial Activity
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Abstract
The aim of this descriptive study are to investigate anti-oxidant and anti-bacterial activities of the extracts from some local plants (TubTim Siam pomelo, dragon fruit, Haew Jud and Khai Mod Rin rice) in Pak Panung, Nakhon Si Thammarat. Anti-oxidant activity and anti-bacterial activity were investigated by DPPH/ABTS free radical scavenging assay and agar well diffusion method, respectively. It was found that aqueous and crude ethanolic extracts from Tub-Tim Siam pomelo, Haew Jud, dragon fruit, Khai Mod Rin rice had the different biological activity. The results showed that only ethanolic crude extracts from plants did show anti-oxidant, including possessed the anti-bacterial activity but did not show anti-fungal activity.
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