Background:

D-Sorbitol is a sugar alcohol that is commonly used as a sugar substitute.Target: OthersD-Sorbitol occurs naturally and is also produced synthetically from glucose. The food industry uses D-sorbitol as an additive in the form of a sweetener, humectant, emulsifier, thickener, or dietary supplement. D-Sorbitol has also been found in cosmetics, paper, and pharmaceuticals. Naturally, D-sorbitol occurs widely in plants via photosynthesis, ranging from algae to higher order fruits of the family Rosaceae. From Wikipedia.

参考文献:
[1]. http://en.wikipedia.org/wiki/Sorbitol