以香草醛为标准,用比色法进行测定。
So using vanillin as a standard, we can determine gingerol content by colorimetry.
方法采用香草醛-硫酸分光光度法测定总皂苷。
Methods The vanillin-sulfuric acid spectrophotometry was used and the detection wavelength was 544nm.
这促使研究人员寻找生产天然香草醛的替代方法。
Therefore, alternative processes for the production of natural vanillin should be studied.
牛磺酸及牛磺酸缩邻香草醛席夫碱配合物目前未见报道。
So far the complexes with taurine and taurine o-vanillin schiff base have not been reported.
市场上也出售含有良好风味的香草醛或乙基香草醛的焙烤粉。
The market also offers baking powders flavored with vanillin of ethyl vanillin.
市场上也出售含有良好风味的香草醛或乙基香草醛的焙烤粉。
The market also sff ers baking powders flavored with vanillin of ethyl vanillin.
香草醛是重要的香味物质之一,广泛应用于食品、饮料和医药工业中。
Vanillin is one of the most important flavours widely used in food, beverage and medical industry.
本文用DSC法和毛细管法精确测量了香草醛等五种熔点标样的熔点。
The melting point of five standard samples (vanillin, etc) have been measured precisely by DSC and capillary tube, respectively.
在水溶液中,壳聚糖与香草醛发生希夫碱反应,生成改性壳聚糖vcg。
Chitosan react with vanillin aldehyde by Schiff's base reaction in water, a polymer product-VCG can be prepared.
本论文工作对牛磺酸及牛磺酸缩邻香草醛席夫碱配合物的研究情况进行了探讨。
This thesis discuses studies of the complexes with taurine and taurine o-vanillin schiff base.
采用紫外光引发原位聚合的方法制备了具有支撑膜的邻香草醛分子印迹聚合物膜。
Using o-vanillin as template molecule, molecularly imprinted polymer membranes with sup- porting membrane were synthesized through in-situ polymerization by UV irradiation.
维生素b12可被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。
Vitamin B12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.
研究发现经橡木桶陈酿的白兰地中香草醛与丁香醛之间特定的比例关系为1:2 ~3。
The special proportion showed 1:2 ~ 3 between vanilla aldehyde and lilac aldehyde in aged brandies.
研究者认为,许多食品当中都包含辣椒素和其他芳香草醛,这就证明食用这些化合物是安全的。
Researchers believe that many food products contain capsaicin, and other aromatic grass-formaldehyde, which proved that consumption of these compounds are safe.
以底物异丁香酚为唯一碳源从土壤中筛选获得了一株能高效转化异丁香酚生成香草醛的芽孢杆菌。
Using isoeugenol as the sole carbon source, a novel strain, producing high amounts of vanillin from isoeugenol, was isolated from soil.
香草醛法测定了黄烷-3-醇单体和原花青素的总量,HPLC法测定了黄烷-3-醇单体的含量。
Flavan -3 -ol and proanthocyanidin were determined by vanillin assay, expressed by catechin equivalents, and flavan-3-ol determined by HPLC.
香草醛是在尸体分解过程中会产生的一种物质,你会在木乃伊中发现,但却不会在被烧死的人身上发现。
"Vanillin is produced during decomposition of a body," says Charlier. "You would find it in a mummy, but not in someone who was burnt."
采用紫外分光光度法研究了自制邻香草醛缩苯丙氨酸席夫碱试剂与牛血清白蛋白(BSA)的相互作用。
A new reagent o-vanillin shrinkage phenylalanine Schiff base was synthesized, and its interaction with BSA was explored by UV spectrophotometry.
因为花生烘烧过程中有二氧化碳、香草醛、氨、硫化氢以及一些其它醛类挥发出来,构成花生果仁特殊的香气。
Because the burning process of peanut drying with carbon dioxide, vanillin, ammonia, hydrogen sulfide and volatile out of some other aldehydes, constitute a special aroma of peanut kernels.
简单介绍了香草醛、乙基香草醛、 洋茉莉醛等芳醛的生产、市场情况。对存在的环境污染问题进行了讨论。
The production and market of vanillin, ethyl - vanillin and piperonal are briefly described. The problem of environmental pollution is also discussed.
从常山中分离得到一种新的生物碱,命名为新常山碱,还分离得到已知的常山碱、异常山碱、香豆素、双氢黄酮和香草醛。
A new alkaloid, neodichroine, along with several known alkaloids, a coumarin, a flavanone and vanillin were isolated from leaves of Dichroa febrifuga.
香草醛,香兰素:一种白色或淡黄色晶体化合物,C8H8O3,见于香子兰豆以及某些香脂和松脂中,用于做香水、调味品和药剂。
A white or yellowish crystalline compound, C8H 8O 3, found in vanilla beans and certain balsams and resins and used in perfumes, flavorings, and pharmaceuticals.
以嫁接在云南黑籽南瓜砧木上的伽师甜瓜为试材,探讨香草酸、香草醛和对-羟基苯甲酸为代表的酚酸类物质对嫁接伽师瓜植株和保护酶活性的影响。
The phenolic acids used were vanillic acid, vanillin and P-hydroxy benzoic acids for studying the effects of phenolic acids on the growth and activities of protective enzymes of muskmelon.
以嫁接在云南黑籽南瓜砧木上的伽师甜瓜为试材,探讨香草酸、香草醛和对-羟基苯甲酸为代表的酚酸类物质对嫁接伽师瓜植株和保护酶活性的影响。
The phenolic acids used were vanillic acid, vanillin and P-hydroxy benzoic acids for studying the effects of phenolic acids on the growth and activities of protective enzymes of muskmelon.
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