Abstract:
:Rice bran, a good source of protein and fat, is at present underutilized as a food material. The potential of producing rice bran at the global level is 27.3 million t. The presence of enzyme lipase in rice bran causes rapid deterioration of oil to free fatty acids and glycerol. Various stabilization techniques involving heat treatment, low-temperature storage, chemical treatment, control of relative humidity during storage, and simultaneous milling and extraction were evolved to inactivate lipase. Multiple forms of rice bran lipase have been identified. Fractional classification of proteins reveals a high percentage of albumins and globulins. Proteins can be extracted from full-fat or defatted rice bran by alkaline extraction and acid or heat precipitation. Extraction procedures influence the protein content of concentrates, which ranged from 19.4 to 76.1% in concentrates from full-fat rice bran and 17.5 to 85.0% in concentrates from defatted rice bran. The PER of rice bran ranges from 1.59 to 2.04 and that of protein concentrates from 1.99 to 2.19. Available lysine contents of protein concentrates ranged from 54 to 58.8%. The essential amino acid profiles of protein concentrates indicate that threonine and isoleucine are limiting amino acids. Various functional properties of rice bran protein concentrates have also been investigated that are known to be influenced by drying technique and stabilization treatment of rice bran. Rice bran has been used in food as full-fat rice bran, defatted rice bran, and in the form of rice bran oil and protein concentrates. Full-fat and defatted rice bran have been used in bakery products, breakfast cereals, wafers, as a protein supplement, binder ingredients for meats and sausages, and as a beverage base. Incorporation of protein concentrates have been studied in bread, beverages, confections, and weaning foods.
journal_name
Crit Rev Food Sci Nutrjournal_title
Critical reviews in food science and nutritionauthors
Prakash Jdoi
10.1080/10408399609527738subject
Has Abstractpub_date
1996-07-01 00:00:00pages
537-52issue
6eissn
1040-8398issn
1549-7852journal_volume
36pub_type
杂志文章,评审abstract::Food functionality can be related to nutrient and non-nutrient compounds. Some foods are fortified with various nutrients whereas others are manipulated using their physicochemical properties in order to make them "functional." Texture, color, taste, odor, and other physicochemical properties may affect the overall qu...
journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
pub_type: 杂志文章,评审
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pub_type: 杂志文章,评审
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journal_title:Critical reviews in food science and nutrition
pub_type: 杂志文章,meta分析
doi:10.1080/10408398.2017.1362630
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
pub_type: 杂志文章,评审
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journal_title:Critical reviews in food science and nutrition
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doi:10.1080/10408398.2011.641041
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
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journal_title:Critical reviews in food science and nutrition
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abstract::The impact of study design on the results of medical research has long been an area of both substantial debate and a smaller body of empirical research. Examples come from many disciplines within clinical and public health research. Among the early major contributions in the 1970s was work by Mosteller and colleagues ...
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