02 Dec 2010
Free radicals can be damaged on cell integration, because free radicals very reactive to cell component either structur component or functional component. To scavenge and inhibit chain reaction of free radicals were required exogen antioxidant. Natural antioxidant from plant was more interested because its more safe than synthetic antioxidant. Plant in the world such as spices, vegetables, fruits, medicine plants much contain antioxidant. Antioxidant activity to dismutate superoxide radical (O2-) from various plant was expected capable to help know potential natural antioxidant resources. This research was found out that salam leaf (Eugenia polyanta Wight), sappan wood (Caesalpinia sappan L.), seed and fruit guava have (Psidium guajava L.) superoxide dismutase (SOD) activity 100%.
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