改性聚葡萄糖—Litesse

1前言Li——是科特食品科学公司的系列改性聚葡萄糖产品的商品名。聚葡萄糖是HansRennhard博士在Pferer公司的中心研究实验室发明的，它是由随机交联的葡萄糖组成的多糖。经葡萄糖和少量山梨醇、柠檬酸熔融缩聚而成。反应过程中山梨醇是交联剂，柠檬酸是催化剂。这样所得的聚葡萄糖微酸、无甜味、水溶性好，并含有少量的山梨醇和柠檬酸。Litesse（改性聚葡萄糖）则由聚葡萄糖进一步深加工而来，产品的酸度、苦味由此减低，口味、色泽得到很大改进。LitesseUltla（精炼聚葡萄糖）是进一步提炼而成的新产品，因其溶液无色无味，拓宽了产品…     

聚葡萄糖在面包中保湿性的初步研究

分别以2％、5％、8％的聚葡萄糖为添加剂烘焙制作的面包。然后对添加了不同比例聚葡萄糖的面包进行保湿效果的比较，结果表明聚葡萄糖添加量为8％的面包的保湿性比5％面包和2％的面包明屁提高．因此，聚葡萄糖对面包保湿性有显著的改善作用。     

聚葡萄糖——一种多用途的食品添加剂

聚葡萄糖──一种多用途的食品添加剂凌关庭（上海市食品工业研究所上海，２０００５１）一、聚葡萄糖的性状聚葡萄糖（Ｐｏｌｙｄｅｘｔｒｏｓｅ）是一种以食用级葡萄糖、山梨糖醇和柠檬酸为原料，按８９：１０：１的比例调配加热成熔融态混合物后，经真空缩聚而成的一种...     

聚葡萄糖对罗非鱼鱼糜凝胶特性及蛋白结构的影响

以罗非鱼鱼糜为原料，添加聚葡萄糖，热诱导形成凝胶，通过测定凝胶强度、持水性、白度、水分分布、微观结构、蛋白质二级结构等指标，研究聚葡萄糖对罗非鱼鱼糜凝胶品质的影响。结果表明，随着聚葡萄糖添加量的增加，鱼糜凝胶强度、持水性增加，并在添加量4%时达到最大值；白度变化不明显；水分分布状态测定结果表明，聚葡萄糖的加入可以缩短鱼糜凝胶弛豫时间T2，改变不同种类水的分布状态，增强与水的结合；与对照组相比，添加聚葡萄糖的鱼糜凝胶网络结构更加致密，鱼糜凝胶中肌原纤维蛋白的α-螺旋结构减少，β-折叠结构增加。综合各项指标得出，添加适量的聚葡萄糖可以改善罗非鱼鱼糜的凝胶特性。该研究结果可为改善淡水鱼糜制品的品质提供理论依据。     

新型水溶性膳食纤维——聚葡萄糖的合成研究

本文对利用聚葡萄糖的合成进行了研究，得出最佳合成工艺条件为130～140℃、1．5h，纯化后产品聚葡萄糖含量大于90％，残余葡萄糖含量小于2％，溶液黏度稍高于蔗糖溶液。     

聚葡萄糖及其市场

聚葡萄糖概述 聚葡萄糖是Hans Rennbard博士在美国发明的,它是由食品级的葡萄糖以及少量的山梨醇和柠檬酸经熔融缩聚而成。在反应过程中,柠檬酸既充当催化剂,又能与山梨醇一起结合到葡萄糖的聚合物中、构成聚葡萄糖的巨大骨架。反应获得的聚合物是没有甜味、微酸并且水溶性很好的粉末。当然,随着用聚葡萄糖开发的食品种类的增多,人们对聚葡萄糖的加工性能有了更高的要求,目前以Litesse为商标的初级改良产品改性聚葡萄糖和无色无味     

Litesse利体素TM聚葡萄糖产品问答

利体素TM聚葡萄糖是什么？ 利体素TM聚葡萄糖是一种低热量、无糖、低升血糖指数的特殊碳水化合物，不为人体消化酶所分解，具有益生元的功能，也被广泛认知为水溶性膳食纤维。它是葡萄糖的聚合物，其生产原料源自玉米。     

阳离子聚葡萄糖的制备及对胆汁酸的吸附性能研究

以水溶性膳食纤维聚葡萄糖为原料和3-氯-2-羟丙基三甲基氯化铵(QA-188)为阳离子醚化剂,合成阳离子聚葡萄糖,然后将其与胆汁酸进行吸附反应,并探讨了影响阳离子聚葡萄糖改性反应的因素及改性前后聚葡萄糖对胆汁酸的吸附性能的对比。结果表明:(1)用IR表征目标产物的结构,证实合成了阳离子聚葡萄糖;(2)阳离子聚葡萄糖改性反应的最佳条件为:聚葡萄糖∶醚化剂=40∶9(质量比),反应温度为60℃,p H为9~10,反应时间为3 h;(3)无论改性前后,随着聚葡萄糖用量增加,吸附率均呈先上升后下降趋势,达到一定程度时,其用量对吸附率影响不大。改性后的聚葡萄糖对胆汁酸的吸附率相对于改性前的聚葡萄糖有明显的提高。     

聚葡萄糖在酸奶中的应用优势及高纤酸奶市场趋势

聚葡萄糖作为一种水溶性膳食纤维,具有良好的理化特性、保健功能和加工优势。具有低热量、低能量、高纤维、高稳定性、高耐受性等特性,可广泛应用于乳制品行业中。随着2012年1月聚葡萄糖作为营养强化剂可以应用于婴幼儿食品中,聚葡萄糖的作用和应用领域也在逐步扩大,未来在乳制品行业中会有大作为。聚葡萄糖是由葡萄糖随机交联而组成的多糖,具体是由葡萄糖和少量山梨醇、柠檬酸经高温熔融缩聚而成。聚葡萄     

功能性聚葡萄糖冰淇淋

聚葡萄糖是以葡萄糖为主原料制得的难消化多糖,人体摄入后有一半以上随粪便排出,具有整肠作用,热量极低（１ｋｃａｌ／ｇ）,进一步精制,可得聚葡萄糖Ⅱ和聚葡萄糖Ⅲ,大大改善聚葡萄糖的味、色和稳定性。 近来,聚葡萄糖被越来越广泛地运用于各类食品中,这里介绍运用聚葡萄糖的三款冰淇淋制品。１．优质低热量冰淇淋 配方：（合计１００．０００％） 牛乳（脂肪含量３．６％）４６．５２５％,鲜奶油（脂肪含量４５．０％）１２．０００％,炼乳（脂肪含量７．７％）１５．０００％,粉状聚葡萄糖Ⅲ２０．０００％,粉末麦芽糖醇４．…     

Functionality of inulin and polydextrose as sucrose replacers in sugar‐free dark chocolate manufacture – effect of fat content and bulk mixture concentration on rheological,mechanical and melting properties

Inulin and polydextrose are key bulk sugar replacers and have been utilised extensively as functional ingredients due to their fibre and prebiotic claims. This study investigated effects of fat content and bulk mixture concentrations of inulin and polydextrose on rheological properties, mechanical and melting characteristics of sugar‐free dark chocolates sweetened with steviol glycosides. Sucrose was replaced with polydextrose and inulin (0:100, 25:75, 50:50, 75:25, 100:0) at different fat contents (27%, 30% and 33%). Reducing fat content from 33% to 27% had similar effects on the sugar‐free dark chocolates as it did on reference chocolate. Increasing inulin concentrations with simultaneous reduction in polydextrose resulted in consistent increases in Casson plastic viscosity and decreases in Casson yield stress regardless of the fat content. These were explained by microstructural examination of the sugar replacers, which revealed wide variations in network structure. Understanding these factors would help reduce energy load from fat in sugar‐free chocolate confectionery.     

Aspartame and Polydextrose in a Calorie-Reduced Frozen Dairy Dessert

A calorie-reduced frozen dairy dessert was formulated using aspartame as the sweetener and polydextrose as the bulking agent. Two levels each of polydextrose/corn syrup solids combinations and microcrystalline cellulose were evaluated in a dessert consisting of 4% milkfat and 30.5% total solids. Taste panel data showed that the products were acceptable and that microcrystalline cellulose played an important role in the formula. Four levels of polydextrose/sorbitol combinations and two levels of aspartame were also evaluated in a 2% fat, 29.8% total solids frozen dessert. The taste panel data showed that usage levels between 0.05-0.1% aspartame and a maximum of 12% polydextrose produced an acceptable product.     

Usable Energy Value of Selected Bulking Agents

Four bulking agents—white wheat fiber, polydextrose, isomalt and oligofructose—were evaluated for usable energy values using young rats as the test model. The net increase observed in their carcass energy due to bulking agents fed over a 3-wk period was evaluated. Wheat fiber contained 0.9, polydextrose 0.8, isomalt 1.6, and oligofructose 1.5 calories/g. As a partial substitute for sugar, fat and/or flour, these bulking agents could effectively reduce the energy content of foods.     

Studies on the Optimization and Stability of Low-Fat Biscuit Using Carbohydrate-Based Fat Replacers

The objective of this study was to optimize and develop low-fat soft dough biscuits using carbohydrate-based fat replacers (combinations of polydextrose and guar gum). Central composite rotatable design was utilized to optimize the levels of sugar, composite fat (fat, polydextrose, and guar gum), ammonium bicarbonate, and water. The parameters measured were spread ratio, hardness, stress-strain ratio, and sensory properties. Composite fat and sugar were found to be important determinants of biscuit hardness. The principal effect of fat substitutes on biscuits’ attributes was crisper texture but with higher brittleness. The level of water had a significant effect on spread ratio (p < 0.1), hardness (p < 0.1), and stress-strain ratio (p < 0.05). It was also observed that by varying the level of ammonium bicarbonate in the formulation from 0.5 to 2.5 g/100 g flour, the dimensions and texture of the biscuits were affected. The optimum ingredient levels on 100 g flour basis were found to be sugar 24 g, fat 10.5 g, polydextrose 24.2 g, guar gum 0.3 g, ammonium bicarbonate 2 g, and water 24 mL. It was found from the storage study that low-fat biscuit with 70% fat replacement was more oxidative stable than the control sample.     

无蔗糖低脂肪低热量保健冰淇淋的研究

在经反复试验确定的对照冰淇淋配方的基础上,利用低聚果糖和山梨醇配比以取代全部的蔗糖,利用聚合葡萄糖部分取代脂肪;采用多因素正交试验设计无蔗糖低脂肪低热量保健冰淇淋最佳配方。结果表明,选用低聚果糖和山梨醇配比为１２ ％ ∶２ ％ ,６ ％ 聚合葡萄糖取代原有的１４ ％ 蔗糖、６ ％ 人造奶油;添加０ ．２ ％ 柠檬酸钠、０ ．６ ％ 酪蛋白酸钠制得的产品在感官上与对照冰淇淋产品无明显差别,其膨胀率达到１００ ％ 左右;每１００ ｇ 产品其脂肪含量降低了５６ ．１７ ％ ,含热量降低了５７ ．６７ ％ 。     

水溶性膳食纤维在食品中的应用及市场分析

<正> 一、膳食纤维的定义膳食纤维是食品中不被人体消化酶消化的组分的总和,具有卓越的保健功能,近年来被喻为糖、蛋白质、脂肪、矿物质和维生素以外的又一重要营养素。2006年食品法典委员会 CAC 给出如下定义:"不能被人类小肠消化或吸收的、聚合度不小于3的碳水化合物的聚合物"。根据溶解度的不同,膳食纤维又可分为不溶性和水溶性膳食纤维。不溶性膳食纤维包括纤维素、木质素、大部分半纤维素(含壳聚糖);水溶性膳食纤维包括聚葡萄糖、胶体(果胶、树胶、豆胶等)、微生物多糖、耐     

脂肪替代品在烘焙行业中的研究进展

用脂肪替代品替代烘焙产品中的脂肪,可维持食物本身的美味且减少脂肪含量,有利于消费者的健康,具有广阔的市场前景。为了给脂肪替代品在烘焙行业中的应用提供更多的理论支持,该文讨论了脂肪的形式及其在烘焙产品质构和感官品质方面的作用,并从脂肪替代物(olestra和salatrim)、脂肪模拟物(淀粉、改性淀粉、麦芽糖糊精、聚葡萄糖、胶体、纤维素和蛋白质)和复合型脂肪替代物3个方面对国内外低脂烘焙产品特点以及应用进行总结分析,最后对烘焙产品中脂肪替代品的发展方向进行了展望。     

Effect of fat mimetics on physical,textural and sensory properties of cookies

Soft‐type cookies were prepared with up to 35% fat replacement by fat mimetics, namely Litesse (improved polydextrose), C*deLight MD 01970 (maltodextrins), Dairytrim (b‐glucans), pectin and Simplesse Dry 100 (a blend of micropatriculated whey proteins and emulsifiers). Physical, textural and sensory properties of the cookies were measured. All formulations with fat replacement up to 23% showed properties similar to control cookies except hardness. Cookies with 35% fat replacement by Litesse, a combination of Litesse and C*deLight MD 01970 and a combination of Litesse and Simplesse Dry 100 (50% each) presented a greater hardness, but physical properties as well as flavor and general acceptance comparable to the control cookies.     

聚葡萄糖特性及在食品中的应用

聚葡萄糖作为一种水溶性膳食纤维,具有良好的理化特性和生理功能,可广泛应用于各种食品中,尤其是低热量、低糖低脂食品中。本文主要综述了聚葡萄糖的结构和组成、理化和生理特性及其在食品中的应用。     

聚葡萄糖特性及在食品中的应用

聚葡萄糖作为一种水溶性膳食纤维,具有良好的理化特性和生理功能,可广泛应用于各种食品中,尤其是低热量、低糖低脂食品中。本文主要综述了聚葡萄糖的结构和组成、理化和生理特性及其在食品中的应用。