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Nutrient changes and functional properties of rice flakes prepared in a small scale industry

机译:小型工业中制备的米粉的营养变化和功能特性

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摘要

Four varieties of paddy were soaked in hot water, drained, roasted in an industrial roaster, tempered, flaked and passed through roller. Moisture content reduced from about 35% in paddy to 11 - 13% in the flakes. Equilibrium moisture content was high(83- 85%) in roller pass flakes compared to edge runner flakes. Total amylose equivalent variedfrom 21 to 23% in flakes of edge runner (ER) while that of roller pass were ~22%. Soluble amylose varied from 10 to 14% in flakes of ER and 11 tol3%inflakesofER+RP. Protein contents were high in ER flakes, but reduced to an extent of 6 to 30% in roller pass flakes. Significant changes in phosphorus, vitamins; riboflavin and niacin contents were not recorded among two types of flakes. Pasting profile parametersindicated that the initial viscosity rangedfrom 280 to 550 BU in all flakes. Peak viscosity was low compared to initial value in all flakes with exception in MTU 1001 variety. Swelling power remained almost same in both type of flakes, however the solubility was high in BPT 5204 variety in ER + RP flakes. In MTU 1001, the solubility in ER flakes was high compared to ER + RP flakes. Considerable nutrient losses occurred in the flakes obtained after passing through the rollers, except whitening of the flakes.
机译:将四种水稻分别浸入热水中,沥干水分,在工业烘烤机中烘烤,调和,刨成薄片并通过滚筒。水分含量从稻谷中的约35%降至片状中的11-13%。与边缘流道片相比,辊道片中的平衡水分含量高(83-85%)。边缘流道(ER)的薄片中总直链淀粉当量从21%到23%不等,而辊道通过的总直链淀粉当量约为22%。 ER片中的可溶性直链淀粉含量为10%至14%,ER + RP片中的可溶性直链淀粉含量为11%至13%。 ER薄片中的蛋白质含量很高,但辊轧薄片中的蛋白质含量降低了6%到30%。磷,维生素的显着变化;在两种薄片中未记录核黄素和烟酸含量。糊状分布参数表明,在所有薄片中,初始粘度范围为280至550 BU。所有薄片中的峰值粘度均低于初始值,MTU 1001品种除外。两种薄片中的溶胀力几乎相同,但是在ER + RP薄片中BPT 5204品种中的溶解度很高。在MTU 1001中,与ER + RP薄片相比,其在ER薄片中的溶解度较高。通过薄片后获得的薄片中发生了相当大的营养损失,除了薄片变白。

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