Phytochemical Screening,Total Flavonoids, Tannins and Phenolic Compounds and Antioxidant ActivitiesinOroxylumindicumFruit Extracts

Suwimon Suebka, Wannaporn Ma-adleud, Chuthathip Yoa-kratock, Kannika Kawsinsawad


Oroxylumindicum(O. indicum) is a plant used as traditional medicine in Thailandfor treatments of gastric ulcer, skin diseases and tonsil pain for a long time. Thus,it is interesting to study phytochemical screening and the antioxidant activities in O. indicum. This research reported O. indicum, growing in Nakhon Ratchasima, Thailand, contained high amount ofphenolic compounds, tannins and flavonoids.It also showed high antioxidant activities, EC50 1.97 mg mL-1which is closed to the well-known antioxidant,butylated hydroxytoluene (EC50 1.69 mg mL-1).

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