共查询到20条相似文献,搜索用时 62 毫秒
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Steve Rittmanic 《中国食品工业》2007,(11):28-28,30,31
乳清在乳制品加工中的应用前詈非常广阔.本刊特邀美国乳品出口协会合作开辟专栏,就乳清在食品中应用的最新资讯进行专题系列报道。 相似文献
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美国乳清和乳糖产品在饮料中的应用 总被引:1,自引:0,他引:1
<正>无论您是对代餐食品、营养补充剂感兴趣,还是热衷于健美运动和耐力运动,总有一款蛋白饮料能满足您的营养目标。这些饮料几乎强化了从乳清蛋白到乳钙的所有配料,它们能使您强壮也可使您苗条;能增强免疫力,也能增强耐力。需要注意的是,选择正确的蛋白来源并仔细查看它们的营养和功能特性是设计消费者喜爱的蛋白饮料的关键。 一、乳清蛋白的特性 相似文献
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美国乳清蛋白在肉制品加工中的应用 总被引:1,自引:0,他引:1
Gitanjali Prabhu 《中国食品工业》2008,(12):22-24
<正> 当前乳清配料在肉制品加工中的应用呈现上升趋势。有多种类型的美国乳清蛋白产品可以应用于肉类、家禽和海鲜制品中,其中最常用的产品有:甜乳清、乳清浓缩蛋白(蛋白质含量34%~80%)、乳清分离蛋白(蛋白质含量≥90%)和其它定制的乳清浓缩蛋白(WPC)和/或乳清分离蛋白(WPI)产品。 相似文献
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有哪家肉联厂和火腿肠厂不想降低成本、提高单产呢?乳清蛋白能助你一臂之力,这就是为什么每家火腿肠和鱼糜制品厂都对乳清制品怀有极其浓厚的兴趣。 多少年来,乳清制品虽然能降低配料成本,但高乳糖影响了它在肉制品中的应用。最近,乳清制品的加工和制造取得了很大进展,这有助于、也吸引了肉制品厂。现在,乳清制品的蛋白质含量可以做到从11%到90%以上,它们在增加产品功能的同时还能保持产品的应用价值。 乳清浓缩蛋白(WPC)和乳清分离蛋白(WPI)是最新的产品,是乳清经过一系列的超滤、双重过滤和浓缩 相似文献
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对乳清大豆复合蛋白饮料的加工工艺进行了研究,通过单因素及正交试验确定了最佳配方及工艺条件,试验结果表明选择合适的复合乳化稳定剂、工艺上采用预乳化及二次高压均质均有助于提高复合蛋白饮料的稳定性。 相似文献
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Marda Stoliar 《中国食品工业》2009,(5):35-37
<正> 乳清配料应用于焙烤工业已有几十年。早期,甜乳清是唯一的商业用乳清产品,它能为多种烘焙产品带来益处,如产生褐变、带来柔软的质构并节约成本。如今,随着多种乳清配料的功能性不断被开发和改良,它们在焙烤中的益处也被极大地发挥,为烘焙产品带来了诸多新的发展机遇。 相似文献
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乳清蛋白是动物乳中的一种优质蛋白质,具有丰富的营养价值和独特的生理功能。天然乳清蛋白性质极不稳定,为使乳清蛋白得到高效利用,衍生出许多各具特色的改性方法。本文综述了利用物理方法、生物方法、化学方法及新技术改性乳清蛋白的研究进展。物理方法主要包括热处理、高压处理、微波辐照处理、超声处理、超临界二氧化碳流体处理和低温等离子体处理等;生物方法主要包括酶法水解和酶法交联处理两种;化学方法包括磷酸化、糖基化、酰化、去酰胺、酸调处理等。此外,本文总结了不同改性方法的作用机制及其对乳清蛋白性质的影响,同时展望了乳清蛋白改性技术的应用及发展趋势。 相似文献
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Design of a Beverage from Whey Permeate 总被引:1,自引:0,他引:1
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Biopolymers Produced by Cross-linking Soybean 11S Globulin with Whey Proteins using Transglutaminase 总被引:8,自引:0,他引:8
Heterogeneity of biopolymers was determined by cross-linking acetylated-11S acidic subunits (Ac-11S) of soy protein with α-lactalbumin and β-lactoglobulin. The extent of polymerization was determined by electrophoresis and HPLC. Differential scanning calorimetry (DSC) was used to determine thermal properties of starting proteins and biopolymers. HPLC data demonstrated the absence of biopolymers from Ac-11S, acetylated α-lactalbumin and acetylated β-lactoglobulin when each was incubated separately with transglutaminase (TG). However, Ac-11S formed biopolymers with α-lactalbumin and β-lactoglobulin when TG was added. TG catalyzed the formation of heterologous and homologous biopolymers from whey protein isolate (WPI) and soybean 11S globulin (11S). Cross-linking WPI and 11S provided biopolymers with improved heat stability which may be useful to provide functionality to food products. 相似文献
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Properties of Films Produced by Cross-linking Whey Proteins and 11S Globulin Using Transglutaminase 总被引:2,自引:0,他引:2
Transglutaminase (TG) was used to produce films from whey protein isolate, soybean 11S globulin and a mixture of the two (1:1, wt/wt). Solubility of TG cross-linked films was lower than that of control films at pH 3, 4, 6 and 8. Solubility of control films in 6.6M urea and in 10% SDS was higher than that of TG cross-linked films. Hydrolysis of control and TG cross-linked films by trypsin and α-chymotrypsin was similar after 24h incubation. Mean thickness of films ranged from 69 to 77 μm and there were no differences among thicknesses. Average tensile strength values of TG cross-linked films were two times greater than those of the homologous controls. 相似文献
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为了充分利用牦牛乳清,开发出一种良好口腔刺激感的片状固体饮料。以牦牛乳生产甜干酪时排出的副产物乳清液为基础原料,45 ℃旋转蒸发,-55 ℃真空冻干成粉。采用感官加权总分为评价指标,通过单因素试验、L9(34)正交试验和Box-Behnken响应面优化,确定饮料片的最佳工艺配方。结果表明,乳清粉添加量、阿斯巴甜添加量和崩解剂添加量对饮料片感官加权评分影响极显著(P<0.001)。最佳工艺参数为:28.75%的乳清粉,43.75%的崩解剂,2.75%的阿斯巴甜,8%的聚乙二醇6000,酸碱比为1.24:1,感官加权总分为4.04。产品直径约10 mm,重约0.50 g/片,崩解时间小于120 s,发泡量大于8 mL,料液pH为6.42,色泽透亮,香味怡人,口感清爽。该结果可作为指导乳清固体饮料生产的理论依据,为功能性乳清的开发提供应用潜能。 相似文献
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Protease-Induced Aggregation and Gelation of Whey Proteins 总被引:4,自引:0,他引:4
Aggregation and gelation of whey proteins induced by a specific protease from Bacillus licheniformis was revealed by turbidimetry, size exclusion chromatography, dynamic light scattering and rheology. The microstructure of the gel was examined by transmission electron microscopy. During incubation of 12% whey protein isolate solutions at 40°C and pH 7, the major whey proteins were partly hydrolyzed and the solution gradually became turbid due to formation of aggregates of increasing size. The viscosity of the hydrolysate simultaneously increased and eventually a gel formed. The gel had a particulate type of microstructure. We hypothesized that the aggregates forming the gel were held together by noncovalent interactions. 相似文献
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