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以糙米和柑橘为原料,糙米经烘烤、糊化、液化、糖化等工艺生产出糙米汁.柑橘经选果、榨汁、过滤得到果汁,然后糙米汁和果汁调配得到复合型功能性糙米果汁饮料.成品口感细腻、口味纯正、质地均匀、有糙米和果汁特有的营养价值. 相似文献
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糙米中功能性成分的研究 总被引:37,自引:0,他引:37
糙米中的膳食纤维、维生素和矿物质含量较高,还含有谷维素、二十八烷醇、γ-氨基丁酸(GABA)、三磷酸肌醇等功能性成分。以糙米为原料,通过挤压膨化、酶解和发芽等方法,开发糙米功能食品有很大的潜力。 相似文献
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发芽糙米和其他功能性大米加工的发展现状 总被引:1,自引:1,他引:0
阐述了发芽糙米的主要营养因子及功效,同时介绍了发芽糙米及其他功能性大米的一般加工工艺和目前国内外对此产品及相关制品的研究发展现状,说明了我国开发发芽糙米制品的可行性和必要性,提出了对发展我国发芽糙米加工的几点建议。 相似文献
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功能性发芽糙米制品市场前景看好 总被引:17,自引:3,他引:17
我国是世界最大的稻谷生产和消费国,年产稻谷约2亿t,占世界稻谷产量的1/3,全国粮食产量的2/5。我国约有8亿人口以稻谷为主食,每年直接食用稻谷及其制品约1.2亿t。稻谷制品的消费市场开发潜力极其巨大。 相似文献
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以糙米为主要原料制备富硒发芽糙米,以有机硒含量为指标,通过正交试验确定了富硒发芽糙米的最佳工艺条件为:发芽时间19 h,发芽温度32℃,亚硒酸钠浓度15 mg/L,得到有机硒含量为0.532 mg/kg。以葡萄糖当量为指标,通过正交试验确定了富硒发芽糙米的最佳酶解反应条件为:酶解温度85℃,酶浓度35μg/m L,酶解时间60 min。以富硒发芽糙米为主要原料,添加适量蔗糖、β-环糊精,采用单因素和正交试验设计,以产品感官评价为指标,确定富硒发芽糙米饮料的最佳工艺配方。结果表明:料液比为1∶6(g/m L),蔗糖添加量为8%,β-环糊精添加量为1.5%,加入0.06%黄原胶和0.10%海藻酸丙二醇酯。该饮料具有营养、保健的功能,色泽、香味、口感俱佳。 相似文献
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以发芽糙米和鲜牛奶为主原料,经乳酸发酵后、调配成乳酸菌饮料。通过试验确定发芽糙米酶解最佳条件:即酶的添加量为7μg/g,酶解时间为50min,酶解温度为90℃。混合液最佳发酵条件为:发芽糙米浆∶牛奶为1∶2,接种量为6%,发酵温度45℃,发酵时间4.5h。选用复合稳定剂进行试验:即0.2%羧甲基纤维素钠(CMC-Na)和0.3%海藻酸丙二醇酯(PGA)。发芽糙米乳酸菌饮料的最佳条件为:发芽糙米混合发酵乳用量为50%,白砂糖为11%,柠檬酸为0.4%,感官评分为89分,γ-氨基丁酸含量为1.57mg/(100ml)。 相似文献
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采用纳豆芽孢杆菌对米糠进行发酵,通过交互试验比较接种量、发酵温度和发酵时间对纳豆激酶活性和饮料感官评分的影响,确定最佳发酵条件为:接种量4%、发酵温度35℃和发酵时间24h。在此条件下可以获得酶活性达到621.5U/mL、口感较好、兼具米糠营养成分和纳豆营养产物的新型发酵饮料。 相似文献
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双歧杆菌发酵胡萝卜汁饮料的研制 总被引:4,自引:0,他引:4
采用已耐氧驯化的两歧双歧杆菌与普通乳酸菌共同发酵胡萝卜汁制得发酵饮料。通过正交试验确定的最优发酵条件为:发酵温度39℃,发酵时间9h,胡萝卜汁浓度27%,乳糖添加量1%,双歧杆菌接种量7%,乳酸菌接种量1%。用此条件所得产品中双歧杆菌和乳酸菌活菌数分别达6.5×10~7cfu/mL和1.7×10~8cfu/mL。该产品是色、香、味俱佳的天然营养保健制品。 相似文献
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米糠水溶性提取物中γ—谷维醇的富集和米糠保健饮料工艺研究 总被引:3,自引:0,他引:3
本文主要以稳定米糠为原料,研究米糠饮料生产工艺,并重点研究提取物中γ-谷维醇的富集,通过对不同工艺条件的研究以及添加各种酶制剂和乳化剂的单因素分析,确定最佳添加物工对酶水解工艺作正交试验以确定最佳条件,最后,优化组合条件,得到最佳方案,使γ-谷维醇含量从原来米糠中的0.5%提高到1.0%左右。 相似文献
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Ritika B. Yadav Bhupender S. Khatkar Baljeet S. Yadav 《International Journal of Food Properties》2013,16(8):1776-1788
Rice protein isolates and extracts of protein fractions were prepared from Indian rice cultivars, namely, Jaya, HKR-120, P-44, Sharbati, Bas-370, and HBC-19. The protein extracts were characterized using SDS-PAGE. The total protein contents of rice cultivars ranged from 5.46 to 7.02 g/100 g sample with albumin and glutelin fractions showing the highest variability among rice cultivars. The electrophoretic patterns of protein fractions exhibited many varietal differences with glutelin fraction revealing the most heterogeneous (10–17 polypeptide units) and prolamin fraction revealing the most homogenous polypeptide composition (3 polypeptide units). The alkali extracted rice endosperm protein isolates showed favorable emulsifying and foaming capacities particularly at an alkaline pH of 11. The total protein content was significantly correlated positive with foaming capacity (r = 0.917, p < 0.01) and negative with oil absorption capacity (r =??0.914, p < 0.05). The total protein content was also correlated significantly positive with cooking time (r = 0.956, p < 0.01) and cooked grain hardness (r = 0.966, p < 0.01). 相似文献
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Bhaati jaanr is an inexpensive high calorie mild-alcoholic beverage prepared from steamed glutinous rice, consumed as a staple food beverage in the Eastern Himalayan regions of Nepal, India and Bhutan. In this paper, fermentation dynamics including growth kinetics and physico-chemical changes during fermentation of bhaati jaanr were studied. The population of filamentous moulds declined significantly (P < 0.05) each day and finally disappeared after the 5th day. The load of yeasts increased significantly (P < 0.05) from 105 cfu/g to 108 cfu g?1 within two days. Lactic acid bacteria (LAB) increased significantly (P < 0.05) from 106 cfu g?1 to 107 cfu g?1 in the first day and decreased significantly (P < 0.05) to 105 cfu/g at the end of the fermentation. The pH decreased and acidity increased during fermentation. The alcohol content increased significantly (P < 0.05) up to 10% on the tenth day. The reducing sugar content increased significantly (P < 0.05) until the third day and then decreased, followed by a decrease in total sugar content. Maximum activities of saccharification and liquefaction of rice were observed on the third day of fermentation. It was revealed that Saccharomycopsis fibuligera and Rhizopus spp. play important roles in the saccharification process of rice in bhaati jaanr fermentation. The mean pH, acidity, moisture and alcohol content of the product were 3.5%, 0.24%, 83.4% and 5.9%, respectively. 相似文献