Czech J. Food Sci., 2018, 36(4):301-306 | DOI: 10.17221/329/2017-CJFS

Effect of okara and vital gluten on physico-chemical properties of noodleFood Analysis, Food Quality and Nutrition

Wei-Chen PAN, Yu-Ming LIU, Sy-Yu SHIAU*
Department of Food Science and Technology, Tajen University, Pingtung, Taiwan

Okara, a by-product during processing of soymilk or tofu, is rich in dietary fiber, protein and phytochemicals. Therefore, it can be useful as a functional ingredient with health-promoting attributes. This study was to investigate the effects of addition of dried okara powder (DOP) and vital gluten (VG) on rheological, antioxidative and sensory properties of noodle. Results showed that high DOP amount (10-15%) significantly reduced optimum cooking time, extensibility, tensile strength and elasticity of noodle. Increasing DOP amount led to the increase in total phenolics and flavonoids, as well as radical-scavenging activity of noodle. Supplement of 6% vital gluten could improve the quality of 10%-DOP noodle, including cooking loss, tensile property, elasticity and sensory acceptability. Therefore, we suggest that enriched noodle can be prepared with 5% DOP or 10% DOP plus 6% VG in order to increase the intake of phytochemicals and maintain the sensory acceptability of consumers.

Keywords: antioxidant; flavonoid; gluten; soybean residue; polyphenol; rheology

Published: August 31, 2018  Show citation

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PAN W, LIU Y, SHIAU S. Effect of okara and vital gluten on physico-chemical properties of noodle. Czech J. Food Sci. 2018;36(4):301-306. doi: 10.17221/329/2017-CJFS.
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