Abstract
Pittosporoposis kerrii Craib is the consumed plant of Maechaedee Subdistrict, Wiang Pa Pao District, Chiang Rai Province. The area of survey is households that plant P. kerrii Craib for consuming and selling with the highest number of 200 trees per household. Therefore, this plant is increasingly interested in evaluation of the useful consumption. The purpose of this study was to investigate antioxidant and nutrition facts of P. kerrii Craib. For nutrition facts per 100 g dry weight, the result revealed that P. kerrii Craib seed extraction contained 2.70 g of protein, 37.79 g of carbohydrate, 1.83 g of lipid, 1.36 g of crude fiber, 1.20 g of ash and 191.4 kcal of energy. The contents of vitamins were examined. It was found that P. kerrii Craib seeds contained vitamins B1 and B2 (0.018 and 0.092 mg per 100 g dry weight, respectively). Antioxidant was determined by DPPH assay method. The results showed that P. kerrii Craib seed extract had the extremely high antioxidant activity (91.20% inhibition). The experiment exposed that P. kerrii Craib seeds provided the useful consumption and should be promoted to support local economic for sustainable development.
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