Authors: Wiwat Wangcharoen Suthaya Phimphilai
Publish Date: 2016/12/19
Volume: 53, Issue: 12, Pages: 4135-4140
Abstract
The processed drinks produced from grass of three varieties of rice Jasmine Sukhothai 1 and Sukhothai 2 and one each from wheat and barley grasses were analyzed for chlorophyll and total phenolic contents and antioxidant activities ABTS radical cation decolorisation assay and ferric reducing/antioxidative power FRAP assay The consumer acceptance of all the drinks was also evaluated One serving size 200 mL of these contained 82–958 μg of chlorophyll 560–2614 mg Gallic acid equivalent for total phenolic content and their antioxidant activities ABTS and FRAP values were 1788–3518 mg Vitamin C equivalent and 566–2370 mg FeSO4 equivalent respectively The overall consumer acceptability of drinks was significantly correlated to their aroma intensity and consumer preference on aroma and flavor Jasmine and Sukhothai 1 rice grass drinks were most preferred however one subgroup preferred grass drink from Sukhothai 1 rice while the second subgroup preferred the drinks from Sukhothai 2 rice and Jasmine rice Wheat and barley grass drinks were not preferred by both subgroupsAuthors would like to thank The National Research Council of Thailand for the financial support and Natural Rice Co Ltd for product supply We also thank Ms Jantima Thongboon Ms Suphannipa Kantima Ms Supika Kaewmuangma and Ms Saranya Suwanpium for very useful helps on collecting data
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