At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.
与此同，、、酯类羰基、芳香、类羰基等类含氧基或者从无到有，或者官能数量不断增加。
Sugar alcohol (alditol) An alcohol derived from a monosaccharide by reduction of its carbonyl group (CO) so that each carbon atom of the sugar has an alcohol group (OH).
，
、
、酯类羰基、芳香
或者从无到有，或者官能
得到一个醇．继而糖分
的每个碳
连有一个羟基(OH)。
