新型甜味剂三氯蔗糖的研究

研究了三步法合成三氯蔗糖的新工艺,确定了各步最佳反应条件:蔗糖-6-乙酯回流温度93℃和反应时间7h;向反应体系中加入甲苯作为共溶剂,使DMF使用量下降了三分之二,降低了生产成本;采用氯化亚砜与DMF生成的Vilsimier试剂进行氯化,三氯氧磷与蔗糖-6-乙酯在1∶10时,氯化效果最好,反应具有操作简单,反应时间短,避免使用吡啶和剧毒的光气。探索了氯化后不经三氯蔗糖单酯结晶提纯,直接制备三氯蔗糖的新方法,通过大孔树脂柱,得到了纯度大于95%的产品,终产率高于37%。     

蔗糖与无营养甜味剂

伴随人民生活水平的提高,人们对食品提出了更高要求,营养、美味、保健成为不断追求的目标。作为既具有营养价值又具调味作用的蔗糖,其消费量应该伴随生活水平的提高而不断地提高,但目前出现了一个令     

蔗糖改性制备的甜味剂

蔗糖是最常见的营养性双糖,蔗糖的大量食用对糖尿病患者等特殊人群有一定的影响。而将蔗糖进行生物改性,得到的功能性的甜味剂,不仅仍具有味甜又具有功能性,拓宽用途,适用人群更广;而进行物理改性可满足特殊应用要求。     

天然甜味剂的开发应用及展望

在人们生活水平日益提高和减糖行动盛行的大背景下,低热量高甜度的天然甜味剂引起了人们越来越多的关注。本文对目前国内外已开发利用的天然甜味剂进行了综述,以期为天然甜味剂的进一步开发利用提供依据。     

天然及合成甜味剂的最新进展

<正> 甜味剂的使用可以追溯到史前时期蜂蜜的发现。科学研究已经表明,人类对甜味的需求是先天的,而不是后天对环境要求的一种客观反应。 甜味剂发展概况 五、六十年代以前的近一个世纪,糖精是人们所能应用的唯一的高甜度甜味剂。五、六十年代之后,甜蜜素、二肽甜味剂以及Acesulfamek等在美国、欧洲及日本等国相继     

天然甜味剂植物的开发利用研究

我国的天然甜味剂植物资源十分丰富。本文主要介绍天然甜味剂的种类，近10种天然甜味剂植物的特性、采收处理及加工方法和天然甜味剂植物的开发利用应注意的问题。     

新型甜味剂三氯蔗糖

三氯蔗糖在很多用途方面可替代蔗糖,是迄今为止开发出来的一种最为理想的强力甜味剂.文章阐述了三氯蔗糖的特性和应用意义,综述了三氯蔗糖的生产工艺技术和它在食品工业中的应用,分析了三氯蔗糖在我国的发展前景.     

以蔗糖为原料制备的甜味剂

蔗糖是最常见的营养性双糖,蔗糖的大量食用对糖尿病患者等特殊人群有一定的影响.而将蔗糖进行生物改性,得到的功能性的甜味剂,不仅仍具有味甜又具有功能性,拓宽用途,适用人群将更广.     

Consumer acceptance of natural sweeteners in protein beverages

Protein beverage consumption by Americans has increased in recent years. Coupled with this increased consumption is an interest in natural sweeteners. The objective of this study was to evaluate the sensory properties of naturally sweetened ready-to-mix (RTM) whey protein beverages using 3 temporal methods and to formulate a natural noncaloric sweetener blend that could be added to RTM protein beverages to provide sweetness while still appealing in flavor to consumers. Iso-sweet concentrations of sweeteners (sucralose, sucrose, fructose, stevia, monk fruit) in RTM vanilla whey protein beverages (25 g of protein/360 mL of water) were established using magnitude estimation scaling and 2-alternative forced-choice testing. Temporal sensory profiling was then conducted on each beverage by a trained panel using time intensity, temporal dominance of sensations, and temporal check-all-that-apply. These findings were used to formulate natural sweetener blends that closely matched the temporality of sucrose-sweetened RTM vanilla protein beverages for consumer testing. One sugar-free blend (25% stevia/75% monk fruit) and 1 reduced-sugar blend (25% stevia/25% monk fruit/50% fructose) were selected for consumer testing (n = 150 consumers) in addition to 3 control RTM beverages containing sucralose, stevia, or monk fruit. Two distinct consumer clusters were identified. The label-conscious segment of consumers preferred beverages sweetened with natural blends when primed. The flavor-driven segment of consumers conceptually preferred naturally sweetened beverages but preferred sucralose-sweetened beverages when primed. An all-natural label claim was most preferred across all consumers. Application of these findings to commercially produced RTM protein beverages aids in the development of naturally sweetened protein beverages with reduced calories and desirable sensory properties and highlights the importance of label claims to consumers overall but to a label-conscious segment of consumers in particular.     

话梅中复合甜味剂配方的研究

对话梅中新型复合甜味剂进行了研究.以市面上话梅的甜味剂成分作为参照,利用甜味剂之间的协同增效作用,选择合适的新型甜味剂进行复合,增加风味和口感,全部取代糖精钠和甜蜜素在话梅中的使用;通过描述性分析方法得出最优配方为:蔗糖:APM:甜菊糖:AK糖=2:1:1:8.经比较得出,新的配方在保证优良口感的同时,还能提高甜度、降低成本和热值,更适用于低糖型话梅的生产.     

Effect of substitution of aspartame for sucrose on instrumental texture profile of hydrocolloids gelled systems

The effect of substituting aspartame (0.04–0.16% w/w) for sucrose (5–25% w/w) on the instrumental texture profile of three hydrocolloid gelled systems: -carrageenan, gellan gum and -carrageenan/locust bean gum at three different concentrations (0.3, 0.75 and 1.2% w/w) was studied. In gellan gels hardness and chewiness increased with sucrose concentration but not so in either -carrageenan or -carrageenan/LBG gels where no changes in these parameters were detected. Addition of sucrose also produced a small but significant increase in cohesiveness in gellan gels. The effect of sucrose concentration on all texture parameters of gellan gels was higher as gellan concentration increased. Aspartame addition did not affect TPA parameters. TPA results obtained for aspartame gels did not differ from those corresponding to the unsweetened gels considered here. Summarising the above information it can be said that substituting aspartame for sucrose in this type of sweetened gel changed the textural properties and that the changes produced depended on the hydrocolloid type and concentration and on the sucrose concentration replaced.     

接装纸中甜味剂的迁移机制

目的:解决接装纸表面口感随时间减弱的卷烟加香技术难题。方法:基于超高效液相色谱建立了同时快速测定两种甜味剂的方法,对接装纸表面甜味剂的含量变化进行分析。采用诱导迁移试验分析甜味剂的迁移情况。利用扫描电镜、透气度测定仪和表面吸水量测定仪分析镀铝接装纸表面孔隙、透气度及表面吸水量。结果:诱导迁移试验表明接装纸中甜味剂由纸张表面逐渐向纸张内部迁移。扫描电镜、透气度测定仪和表面吸水量测定仪结果表明镀铝接装纸表面具有孔隙,因而透气度高且表面吸水能力强,因此甜味剂更容易在镀铝接装纸中迁移。诱导迁移42 d后,安赛蜜和糖精钠在接装纸中的迁移率分别为48.47%和49.65%。结论:镀铝接装纸表面存在的孔隙和裂缝,使其具备高透气度及较强吸水特性,且在接装纸两侧存在浓度差,因而有利于甜味剂的迁移。     

The sensory properties and metabolic impact of natural and synthetic sweeteners

The global rise in obesity, type II diabetes, and other metabolic disorders in recent years has been attributed in part to the overconsumption of added sugars. Sugar reduction strategies often rely on synthetic and naturally occurring sweetening compounds to achieve their goals, with popular synthetic sweeteners including saccharin, cyclamate, acesulfame potassium, aspartame, sucralose, neotame, alitame, and advantame. Natural sweeteners can be further partitioned into nutritive, including polyols, rare sugars, honey, maple syrup, and agave, and nonnutritive, which include steviol glycosides and rebaudiosides, luo han guo (monk fruit), and thaumatin. We choose the foods we consume largely on their sensory properties, an area in which these sugar substitutes often fall short. Here, we discuss the most popular synthetic and natural sweeteners, with the goal of providing an understanding of differences in the sensory profiles of these sweeteners versus sucrose, that they are designed to replace, essential for the effectiveness of sugar reduction strategies. In addition, we break down the influence of these sweeteners on metabolism, and present results from a large survey of consumers’ opinions on these sweeteners. Consumer interest in clean label foods has driven a move toward natural sweeteners; however, neither natural nor synthetic sweeteners are metabolically inert. Identifying sugar replacements that not only closely imitate the sensory profile of sucrose but also exert advantageous effects on body weight and metabolism is critical in successfully the ultimate goals of reducing added sugar in the average consumer's diet. With so many options for sucrose replacement available, consumer opinion and cost, which vary widely with suagr replacements, will also play a vital role in which sweeteners are successful in widespread adoption.     

The influence of sweeteners in probiotic Petit Suisse cheese in concentrations equivalent to that of sucrose

As in the case of probiotic functional foods in recent years, demand has increased notably for light or diet foods with added sweeteners. However, little is known about the effect of different sweeteners on the microorganisms present. Thus, the objective of the current study was to establish the ideal sucrose concentration and equivalent concentrations of different sweeteners and to determine, by microbiological analyses, the influence of these compounds on the viability of the starter and probiotic cultures used in the production of strawberry-flavored Petit Suisse cheese during its shelf life. The ideal sucrose concentration was determined using the just-about-right (JAR) scale, and the equivalent concentrations of the sweeteners were subsequently determined by the magnitude estimation method. Microbiological analyses were also carried out to check the viability of the cultures during the product’s shelf life. The results showed that the compounds Neotame (NutraSweet, Chicago, IL) and stevia presented, respectively, the greatest and least sweetening power of the sweeteners tested. None of the sweeteners used in this study exerted a negative effect on the viability of the starter or probiotic cultures, and thus we were able to obtain a probiotic, functional food with reduced calorie content.     

Development of chocolate dairy dessert with addition of prebiotics and replacement of sucrose with different high-intensity sweeteners

The aims of this study were (1) to optimize the formulation of a prebiotic chocolate dairy dessert and assess the extent to which sensory properties were affected by adding different concentrations of prebiotics (inulin and fructooligosaccharides) combined with different levels of xanthan and guar gums, and (2) to analyze the ideal and relative sweetness of prebiotic chocolate milk dessert sweetened with different artificial and natural sweeteners. Acceptability was evaluated by 100 consumers using a 9-cm hedonic scale, and the level of sample creaminess was evaluated using a 9-point just-about-right (JAR) scale. Data were subjected to a multivariate regression analysis and fitted to a model provided by response surface methodology. The optimal concentrations were 7.5% (wt/wt) prebiotic and 0.20% (wt/wt) gum (guar and xanthan, in a 2:1 ratio). The ideal sweetness analysis revealed that the ideal concentration of sucrose was 8.13%. The relative sweetness analysis showed that Neotame (NutraSweet Corp., Chicago, IL) had the highest sweetening power compared with the prebiotic chocolate dairy dessert containing 8% sucrose, followed by sucralose, aspartame, and stevia. The study of sweetness in this product is important because consumers desire healthier functional products with no added sugar.     

高效液相色谱法同时检测糕点中几种天然甜味剂的探索研究

主要探讨应用高效液相色谱法同时检测月饼、饼干、面包等糕点食品中的甜菊糖苷、甜菊双糖苷、甘草酸、甘草次酸。以Agillent ZOBAX Eclips XDB C18(250×4.6mm,5μm)色谱柱为分析柱,确立了糕点中的天然甜味剂甜菊糖苷、甜菊双糖苷、甘草酸、甘草次酸的高效液相色谱检测法。通过三水平六平行的添加回收实验,对方法的回收率和精密度作了分析探讨,结果用外标法定量分析,在所确定的实验条件下,峰面积和标准溶液浓度在5.0-100μg/mL范围内呈良好线性关系,线性系数大于0.999,回收率为80.0%105%,RSD均小于7.5%。本方法方法准确、简捷、耗材低廉,可以应用于糕点中甜菊糖苷、甜菊双糖苷、甘草酸、甘草次酸的同时测定。