Experiments demonstrated that Anti-2- nonyl olefin aldehyde, furan aldehyde and 2-methyl aldehyde etc. had direct relation with aging flavor.
经实验证明反-2-壬烯醛、呋喃醛、2-甲基醛等与老化味存在着直接关系。
The special proportion showed 1:2 ~ 3 between vanilla aldehyde and lilac aldehyde in aged brandies.
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 surface amino group was transferred to the aldehyde group after it reacted with ninhydrin. The surface aldehyde group was confirmed by the mirror reaction.
表面的伯胺基在与茚三酮反应后转化为醛基，通过银镜反应证明了醛基的存在。
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