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瓜尔豆胶在食品中的应用 总被引:4,自引:0,他引:4
<正>瓜尔豆胶(GUARDAN)是从瓜尔树种子的内胚乳中经加工提取的,瓜尔树广泛地种植于印度及巴基斯坦等地,属多年生豆科植物,瓜尔豆约含有50%蛋白质,是一种高蛋白的牲畜饲料。 瓜尔豆胶是一种高粘度的天然多糖化合物,粘度极高,可达5000CPS,其成分是半乳糖配甘露聚糖,由甘露糖与半乳糖单位组成支链,属亲水性胶体,它是一种能溶于水的氢化胶体,也是一种冷水溶胀高聚物,分散于冷水中,约2小时后呈现很强粘度,以后粘度逐渐增大,加热能迅速达到最高粘度,水溶液为中性,pH3.5以下仍然保持较高的粘度。 相似文献
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瓜尔豆胶在冰淇淋中的应用 总被引:7,自引:1,他引:7
以瓜尔豆胶为稳定剂 ,对瓜尔豆胶液、配料液粘度和制作出的冰淇淋的膨胀率、抗融性及其口感等特性进行单因素对比分析 ,结果表明瓜尔豆胶能有效提高冰淇淋的配料和产品品质 相似文献
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瓜尔豆胶的生产及其应用研究进展 总被引:2,自引:0,他引:2
瓜尔豆胶是食品中常用的增稠剂,介绍了瓜尔豆胶的生产及其在食品中的应用,并简单介绍了水解瓜尔豆胶在食品工业中的应用,展望了瓜尔豆胶的发展趋势。 相似文献
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具有阻隔性的可食性膜应用于食品中,可起到抑制食品氧化酸败、提升贮藏保鲜效果的作用。本研究以羧甲基纤维素钠、海藻酸钠和瓜尔豆胶为成膜材料,以阻氧性、水蒸气透过系数为指标,通过单因素实验和D-最优混料设计对羧甲基纤维素钠-海藻酸钠-瓜尔豆胶三元混合膜进行工艺优化,并对可食性膜之间膜液和膜的透光率、流变学特性、傅里叶红外光谱图、扫描电镜图、热力学特性等进行分析对比,结果表明:当1.25%羧甲基纤维素钠:2%海藻酸钠:0.75%瓜尔豆胶为35:49:16时,可食性膜的水蒸气透过系数倒数为505224,阻氧性为0.52,阻隔性最佳,与单一膜相比,优化后的混合膜各性能明显提升,各成分协同性良好,混合膜结构具有良好的相容性及完整性。本可食性三元混合膜的研究可为新型可食性膜的开发提供参考。 相似文献
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涂膜组分对涂膜溶液的特性及稳定性有重要的影响.本文研究了添加Ca2、瓜尔豆胶和迷迭香精油对海藻酸钠溶液理化性质的影响,对体系的平均粒径、ζ-电位、低场核磁共振弛豫特性、抗氧化性、流变特性等性质进行了比较,并借助DSC和低温显微镜对溶液的热物性进行了研究.结果 表明,添加瓜尔豆胶可以增大海藻酸钠溶液的平均粒径、粘度及抗冻... 相似文献
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A Casas A
F Mohedano F García‐Ochoa 《Journal of the science of food and agriculture》2000,80(12):1722-1727
The viscosity of diluted guar gum solutions and the viscosity of xanthan and guar gum mixture solutions have been studied. Guar gum solutions showed pseudoplastic behaviour. Apparent viscosity increased with gum concentration and decreased with the temperature at which viscosity was measured. A maximum in the plot of viscosity versus increasing dissolution temperature was observed at 60 °C. This behaviour was related to differences in molecular structure of the polymers solved at different temperatures. Mixtures of xanthan and guar gum showed a higher combined viscosity than that occurring in each separate gum. This synergistic interaction was affected by the gum ratio in the mixture and dissolution temperature of both gums. The effect of polysaccharide concentration (1.0, 1.5 and 2.0 kg m−3), xanthan/guar gum ratio (1/5, 4/2, 3/3, 4/2 and 5/1) and dissolution temperature (25, 40, 60 and 80 °C for both gums) on the viscosity of solutions of mixtures were studied. The highest viscosities were observed when 2.0 kg m−3 gum concentration was used together with a ratio of xanthan/guar gum of 3/3 (w/w) and dissolution temperature of 40 and 80 °C for xanthan and guar gum, respectively. © 2000 Society of Chemical Industry 相似文献
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Khadije Abdolmaleki Leyla Alizadeh Kooshan Nayebzadeh Seyede Marzieh Hosseini Reyhane Shahin 《Journal of texture studies》2020,51(2):290-299
We report the optimization of oleogel formulation based on sodium caseinate (CN, 0–4 g/100 g), xanthan gum (XG, 0–1 g/100 g), guar gum (GG, 0–1 g/100 g), and drying method (freeze and oven drier) using response surface methodology to achieve the desired oil binding capacity, textural, and rheological attributes. All the selected responses were successfully fitted by a quadratic model with determination coefficient values higher than .95 with the exception of firmness values which was fitted by linear model. There were considerable increases in all the responses for the samples containing ternary mixtures of protein-gum (CN:XG:GG) as well as binary mixtures (CN:GG and CN:XG) compared to samples containing protein or gums alone due to the synergistic effect of CN and gums on formation of highly ordered and strong gel network. Regression modeling demonstrated that freeze drying method led to significantly greater structure recovery values than those of oven drying method. The best formulation was the freeze dried oleogel containing 4 g/100 g CN, 0.43 g/100 g XG, and 0.98 g/100 g GG. Results showed that fabrication of oleogels with at least 94.5 g/100 g sunflower oil and characteristics similar to industrial shortening is feasible. 相似文献
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降解黄原胶与降解瓜胶在一定条件下共混,形成凝胶体系.通过对其流变特性进行研究,表明该体系具有显著的黏弹性和剪切变稀性.考察了总胶浓度、蔗糖、共混比例及降解食品多糖的分子量等因素对共混凝胶体系流变特性的影响.研究了该凝胶体系的本构方程,结果表明,修正Williamous-Oldroyld-4参数模型可确切描述凝胶体系的黏度曲线,计算值与实验值吻合良好. 相似文献
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瓜尔豆胶是从印度豆类植物瓜尔豆中提取到的一种可溶性膳食纤维,自90年代引入中国以来,一直作为食品添加剂用于食品工业中。近年来,相关文献报道瓜尔豆胶对高血脂等疾病能起到很好的辅助调节作用。其具有的凝胶特性,能抑制在肠道内胆固醇的吸收,阻碍胆汁酸重吸收进入肝肠循环,导致胆汁酸和固醇排出;另一方面通过增强HMG-COA还原酶的活性和降低葡萄糖吸收从而间接导致肝脏胆固醇合成减少。本文就瓜尔豆胶降血脂作用及其可能机制进行了综述,文章内容包括瓜尔豆胶的结构及化学组成、理化性质、功能应用和降血脂作用及机制四个部分,为瓜尔豆胶的科学利用提供参考。 相似文献
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以植物瓜尔胶为原料、环氧氯丙烷为交联剂、氯乙酸为羧甲基化试剂,制备了交联羧甲基瓜尔胶。研究了环氧氯丙烷的用量、氯乙酸的用量、氢氧化钠的用量及反应温度对产品取代度的影响;考查了产品糊的耐温性能,并用FT-IR对产品的结构进行了表征。实验结果表明:配料质量比瓜尔胶∶环氧氯丙烷∶氢氧化钠∶氯乙酸为1.00∶0.015∶0.45∶0.40,反应温度50℃时,产品的取代度达最高0.340。FT-IR分析结果表明,瓜尔胶分子中引入了羧甲基基团,交联羧甲基瓜尔胶成功制备。与原瓜尔胶糊相比,产品糊的耐温性能得到改善。 相似文献
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针织物涂料印花工艺应以性能优异的粘合剂为基础,配套优质的涂料色浆、增稠剂;对坯布应进行合理的前处理,严格按圆网印花工艺和后整理工艺操作,以生产出服用性能优良的针织物。 相似文献