Antioxidant and -glucosidase inhibitory activities from local vegetables in phatthalung province
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The objective of this research was to evaluate the antioxidant and glucosidase inhibitory activities of 9 fresh and dried local vegetables extract from Kong Ra District, Phatthalung Province, such as Barringtonia acutangula (L.) Gaertn., Archidendron jirinaga Nielsen, Scientific name: in process (Neang-rok: local name), Oroxylum indicum (L.) Kurz, Ficus semicordata J.E.Smith, Ficus oligodon Mig, Ficus sp., Ficus obpyramidata King and Ficus fistulosa Reinw. The antioxidant activities were determined by DPPH radical scavenging. Results indicated that dried crude extract of Oroxylum indicum (L.) Kurz exhibited the highest DPPH radical scavenging activity at the final concentration of 5 mg/ml, revealed the DPPH activity as 92.25%. Moreover, the extracts were studied for their glucosidase inhibitory activities compare with authentic drug, Acarbose Results indicated that dried crude extract of Ficus sp. exhibited the highest inhibitory activity, revealed the inhibition activity as 85.46%. Thus, these local vegetable might be possible new sources of glucosidase inhibition and antioxidants so there are suitable for use as functional food in the future.
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