三氯蔗糖合成技术的研究进展

三氯蔗糖具有甜度大、甜味特性好、不被人体吸收、性质稳定及应用范围广等特点,是迄今性能最为优良的高甜度甜味剂.文章综述了国内外三氯蔗糖合成技术的研究进展,对三氯蔗糖合成方法的优缺点进行了分析,并对三氯蔗糖的应用提出展望.     

国内外三氯蔗糖的发展现状和趋势

本文综述了高倍甜味剂三氯蔗糖在国内外的应用现状,分析了三氯蔗糖在国内外的发展趋势及前景.     

一种提高三氯蔗糖稳定性的工艺研究

三氯蔗糖是迄今为止开发出来的一种最为理想的强力甜味剂,其具有高甜度、无热量、甜味特性好、性质稳定及应用范围广等特点,在三氯蔗糖生产过程中,在纯化阶段,目前大部分的工艺都是采用单一的水作为重结晶溶剂来得到最终的三氯蔗糖产品,用这种重结晶方法得到的三氯蔗糖在保存过程中会不稳定,导致产生一些酸气味,影响了三氯蔗糖产品的品质。本文主要通过加入缓冲剂、使用混合重结晶溶剂和改变最终产品含水量三个最主要因素进行研究,提高三氯蔗糖产品保存的稳定性,通过实验,我们选择加入乙酸钠作为缓冲剂,重结晶溶剂为醇/水,并使最终产品的含水量为8%,这样使得三氯蔗糖产品在保存过程中的稳定性大大增加,而且在保存过程中不会产生酸性气味。     

我国三氯蔗糖产业投资过热须警惕

安全、高效的食品添加剂是当前我国食品添加剂工业发展的重点，三氯蔗糖确实是这样一种值得开发生产的安全高效型食品添加剂，但对于三氯蔗糖这种食品添加剂产品也要具体分析，在现阶段国内外形势下投资三氯蔗糖项目需慎重考虑，如人民币升值、出口退税问题等新形势、大环境。在去年举行的甜味剂专业委员会年会研讨会上，就有不少非三氯蔗糖生产企业负责人指出，三氯蔗糖行业的苦日子2013年就要来到。     

含乳食品中三氯蔗糖的快速测定

近年来,随着我国经济的发展,食品安全问题日益受到社会大众与政府的关注,而食品问题的不断暴露也让业内人士反思食品安全控制问题及方法的改进。三氯蔗糖作为食品中使用频率较高的甜味剂,在物化性质等方面契合食品加工流程及条件,在食品中应用广泛,但长期摄取三氯蔗糖会对人体造成不同程度的危害,因此,国家对食品中三氯蔗糖的使用用量、测定等做出了规定与指导。本文以含乳食品中三氯蔗糖的快速测定为核心展开论述,笔者基于多年实践经验,参考国家相关标准关于三氯蔗糖测定的指导,对测定方法做出一定的优化,提出具体的测定方法并分析其应用性。     

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.     

三氯蔗糖的特性及其在食品中的应用

本文对三氯蔗糖的特性、应用优势和使用量等进行了阐述,并对三氯蔗糖在食品加工生产中的应用进行了概述。     

三氯蔗糖废物处理技术研究

三氯蔗糖是一种以蔗糖为原料的强力甜味剂,广泛应用于食品和医药添加剂。三氯蔗糖生产过程中产生废物多,处理难度大,不利于企业的可持续发展。本文针对三氯蔗糖工业化生产导致环境污染的问题,参考国内外相关文献,综述了三氯蔗糖生产过程中废气、废水、固体废弃物的来源和危害,以循环经济为导向,利用目前三氯蔗糖生产过程中产生的"三废"开发三氯蔗糖下游产品,通过资源回收利用降低治理污染物的成本,构建以三氯蔗糖为核心的产业链模式,实现全方位、多角度的三氯蔗糖三废治理。此外,随着环境工程技术水平的发展和进步,以生物处理技术为基准的新型废物处理技术,处理效果相对于传统处理技术有了较大的提升。未来的研究应注重从理论推广到应用,搭建多种处理手段相结合的处理工艺。     

三氯蔗糖及其合成中间体的制备分离与结构表征

采用单保护法合成三氯蔗糖;以薄层色谱法定性,用柱色谱法分离提纯三氯蔗糖及其合成中间体蔗糖-6-乙酸酯、三氯蔗糖-6-乙酸酯.用红外光谱、质谱对三氯蔗糖及其中间体的结构进行了测定,验证了主要官能团和分子量的正确性.     

超级甜味剂三氯蔗糖的开发与研究

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,甜度大约是蔗糖的400～800倍,其甜味纯正;有广泛的pH稳定范围和热稳定性.介绍了三氯蔗糖的甜味特性、物理性质和产生甜味的原因以及它在食品工业上的开发研究和应用.     

红外光谱和质谱法鉴定三氯蔗糖及其 合成中间体的结构

目的 研究验证三氯蔗糖及其合成中间体的结构表征。方法 用红外光谱仪扫描, 质谱仪进样分析蔗糖-6-乙酸酯、三氯蔗糖-6-乙酸酯和三氯蔗糖。结果 鉴定了三氯蔗糖及其合成中间体的主要官能团, 分子离子与碎片离子。结论 成功解析了三氯蔗糖及其合成中间体蔗糖-6-乙酸酯与三氯蔗糖-6-乙酸酯的分子结构。     

Thermal degradation of sucralose and its potential in generating chloropropanols in the presence of glycerol

Sucralose, a polychlorinated synthetic high-intensity sweetener is being increasingly used in relatively large amounts in baked products under high temperature environments. This necessitates understanding its thermal decomposition and studying the consequences of hydrogen chloride release from sucralose and its ability to chlorinate various food related ingredients such as glycerol to generate chloropropanols a potentially toxic class of compounds. Studies conducted on the thermal degradation of sucralose under dry heating conditions have indicated that the glycosidic cleavage occurs through the formation of a galactopyranosyl cation contrary to sucrose where fructofuranosyl cation dictates the major breakdown products. Consequently the major product detected was levoglucosenone and its precursor. Subsequent degradation of the two monosaccharide derivatives causes dehydrochlorination and dehydration reactions to produce furan-related products. In addition, pyrolysis of sucralose in the presence of glycerol generated significant amounts of 3-monochloropropanediol and 1,2- and 1,3-dichloropropanols based on the relative intensities of their chromatographic peaks which amounted to 15% of the total chromatographic peak area.     

Determination of sucralose in foods by HPLC using pre-column derivatization

The development of a sensitive pre-column derivatization high-performance liquid chromatography (HPLC) method for determination of sucralose is reported. Sucralose is converted into a strongly ultraviolet (UV)-absorbing derivative, possessing strong absorption at 260 nm, by treatment with p-nitrobenzoyl chloride (PNBCl). Homogenized samples were dialyzed and washed with a Bond Elut ENV cartridge, then the eluate was evaporated to dryness and the residue was derivatized. Subsequently, the sucralose derivative was purified with hexane-ethyl actate (9:1) in a silica cartridge, and then the sucralose derivative was eluted with acetone. HPLC was performed on a phenyl column, using acetonitrile-water (73:27) as a mobile phase with UV detection (260 nm). The calibration curve was linear in the range of 1 microgram/mL to 50 micrograms/mL of sucralose. The recoveries of sucralose from eight kinds of foods spiked at the levels of 0.20 and 0.05 g/kg of sucralose were more than 76.2% with SD values in the range from 0.90% to 4.31%. The quantitative limit of the developed method was 0.005 g/kg for sucralose in samples.     

Effect of substitution of stevioside and sucralose on rheological,spectral, color and microstructural characteristics of mango jam

An attempt was made for manufacturing low calorie mango jam by replacement of sucrose with alternative sweeteners (stevioside and sucralose). Manufacture of mango jam with desired jam-like soft solid characteristics was feasible only with 25% stevioside or sucralose substitution. Herschel Bulkley and Hahn model adequately described the steady state and time dependent rheological behavior of stevioside/sucralose jam, respectively. Consistency index and yield stress values of jam samples decreased with increasing substitution of stevioside or sucralose due to reduction of total soluble solids (TSS). Flow behavior index increased with decreasing TSS values, signifying liquid like behavior of jam. Dynamic rheological tests characterized mango jam as a weak gel. L^∗ (lightness), b^∗ (yellowness) and C^∗ (chroma) values increased with stevioside/sucralose substitution in jam. The spectral features for C–C and C–O stretching indicated its importance in ‘gel’ like structure formation due to hydrophobic interaction in mango jam samples.     

The effect of modifying the distribution of sucralose and quinine on bitterness suppression in model gels

This study investigated the effect of simultaneously manipulating the spatial distribution of a sweet masking agent and bitter tastant within gelatine–agar gels on bitterness suppression, using sucralose and quinine. Sixty subjects participated in a series of paired comparison tests comparing different gel designs containing both sucralose and quinine, against a homogeneous control gel of identical overall sucralose (0.3 mM) and quinine content (0.3 mM). Twenty subjects also determined the bitterness reduction achieved in the homogeneous control gel by the addition of 0.3 mM sucralose to 0.3 mM quinine. Separating quinine and sucralose into different portions of the gel had no influence on bitterness suppression. Inhomogeneously distributing the quinine and sucralose into the same parts of the gel reduced the effectiveness of bitterness suppression. Inhomogeneously distributing the sucralose, while maintaining a homogeneous distribution of quinine, had no influence on bitterness suppression. Although an inhomogeneous distribution of sucralose increased sweetness perception and the addition of sucralose (0.3 mM) was found to substantially reduce bitterness in the homogeneous control, bitterness suppression was not enhanced when distributing the masking agent (sucralose) inhomogeneously.     

三氯蔗糖的特性及在食品加工中的应用

本文对三氯蔗糖的物理化学特性、特点及其作为食品加工中甜味剂的应用效果做了详细的论述。     

Fat Concentration Affects Sweetness and Sensory Profiles of Sucrose, Sucralose, and Aspartame

The sensory characteristics of sucralose, aspartame, and sucrose were studied in an unflavored lipid model system varying in fat levels. One study investigated the effects of fat on the potencies (vs. sucrose) of sucralose and aspartame. We also examined absolute changes in all three sweeteners in taste, temporal, and mouthfeel properties at fiied concentrations across a wide fat range. Results indicated a modest decrease in the potencies of sucralose and aspartame across fat concentrations, especially at lower sweetness levels. All sweeteners responded similarly to changes in fat concentration. Independent of fat level, sucralose was perceived more similar to aspartame in onset, bitterness, and aftertaste, than to sucrose.     

蔗糖素在冰红茶饮料中应用的感官鉴评

通过食品感官鉴评方法分析在冰红茶饮料中使用蔗糖素的可接受性．结果是令人满意的:与全部使用蔗糖的饮料口感相比．全部或部分使用蔗糖素的产品品质达到或超过前者。     

高效液相色谱法测定饮料中三氯蔗糖的含量的优化

目的优化高效液相色谱法(high performance liquid chromatography,HPLC)检测饮料中三氯蔗糖的含量。方法采用配备示差折光检测器的高效液相色谱仪,使用C18反相色谱柱,选择甲醇:0.125%磷酸氢二钾=40:60(V:V)作为流动相,在0.8 m L/min的流速下进行检测。结果该方法在20~400 mg/L范围内,三氯蔗糖的浓度与峰面积的相关性良好,标准曲线为Y=207.99X+274.1,r=0.9999,改进后方法回收率在94.28%~107.16%之间,改进后检出限为0.0024 g/kg。结论该方法不仅能够达到国家标准的要求,并且快速、灵敏、环保,提高了高效液相色谱检测饮料中三氯蔗糖的检测效率和安全性。