1·There are some problems to await to settle in the traditional produce craftwork of vanillin for instance high cost, low yield, the complex craftwork and serious waste pollution etc.
传统的香兰素生产工艺普遍存在着成本高、收率低、工艺复杂及三废污染严重等有待解决的问题。
2·Theresults show: vanillin has strong inhibited effect to the microorganism.
结果表明，香兰素具有较强的抑菌作用。
3·Based on the study of vanillin characteristics, new purification methods are presented.
在分析香兰素性质的基础上提出了新的提纯方法。
4·Using dilution-plate method, the inhibiting effect of vanillin to the epiphyte was mensurated.
用稀释平板法测定了香兰素对真菌的抑制作用。
5·Summarize the status and developing trends of extract technology of vanillin at home and abroad at present.
综述了目前国内外香兰素萃取分离技术的现状及发展趋势。
1·Vitamin B12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.
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。
2·Flavan -3 -ol and proanthocyanidin were determined by vanillin assay, expressed by catechin equivalents, and flavan-3-ol determined by HPLC.
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。
3·The melting point of five standard samples (vanillin, etc) have been measured precisely by DSC and capillary tube, respectively.
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。
4·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.
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。
5·So using vanillin as a standard, we can determine gingerol content by colorimetry.
以香草醛为标准，用比色法进行测定。