Journal
CZECH JOURNAL OF FOOD SCIENCES
Volume 36, Issue 4, Pages 301-+Publisher
CZECH ACADEMY AGRICULTURAL SCIENCES
DOI: 10.17221/329/2017-CJFS
Keywords
antioxidant; flavonoid; gluten; soybean residue; polyphenol; rheology
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Funding
- Taiwan Ministry of Science and Technology [104-2221-E-127-006]
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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.
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