Rice Landraces Diversity for developing products of Food Supplements and Functional Foods in Chachoengsao Province

Abstract

This research aimed to: (1) determined diversity of native thai rice and Social Cultural economy and local wisdom dimension about native thai rice in Amphoe ThaTakiap and Amphoe Bangkhla, Chachoengsao province. (2) evaluated chemical composition and anti-oxidant activity for developing new product to be food supplements and functional foods. Four rice varieties are Hom-Kan-Jan, Hang-moo, Yenng-lod-nee, and Yenng-song-Klong in Amphoe ThaTakiap. Two rice varieties were Maled-Ma-Kear and Yenng-Na-Khwan in Amphoe Bangkhla. The results indicated that carbohydrate content of six rice varieties was around 72.21-79.42%. The protein content, fat, ash, and dietary fiber were around 0.59-9.78%, 0.61-9.41%, 0.52-7.14%, 0.67-9.25%, 1.24-10.25% and1.59-11.21%. In addition, researchers had taken a traditional rice varieties stored at 4 °C to weed seeds, and bark is not completely left out. Then analyzed the chemical properties include moisture, fat, protein, fiber, ash by AOAC (2000) and the quantity of amylase.The amylose  content was around 21.03%, 11.10%, 10.25%,  7.61%, 6.28% และ 5.79%, respectively. Total phenolic content of six native Thai rice was around 11.39-112.24 mg/100g. The target group of consumer in this research was the elderly (60 years olds up). From the consumer survey, the results showed that most consumers were interested in instant rice product. The canned native Thai rice that prepared by using ratio of native Thai rice and water equal to 1:2.34. The result from marketing survey indicated that 95.14% of consumers accepted this product with the average 8.12 score. This score indicated that the consumers moderately like the product.