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研究饮用蔗糖水后口腔粘膜吸附糖的能力,给受试者饮用6％蔗糖水25ml,在饮用前、后,把同一标准面积的滤纸片浸湿后分别敷贴在舌、舌下、颊和腭部粘膜上脱吸糖,随后把滤纸片放入盛有定量水的称瓶内,用磁性棒搅拌2min,把滤纸脱吸的糖洗出,用光度计测定洗出液的糖含量。糖在盐酸介质中加热,水解成为羟甲基-5-呋喃醛,同硫巴比妥酸作用出现鲜明的颜色。 结果为饮用糖水后,舌粘膜表面的糖含量比饮前增高54倍。用25ml清水含漱后,舌表面吸附糖量减少
To study the ability of oral mucosa to adsorb sugar after drinking sucrose water, drink 25% of 6% sucrose water before and after drinking, wet the filter paper of the same standard area and apply them on the tongue, sublingual, buccal and The palate mucosa desorption sugar, and then put the filter paper into a bottle filled with a fixed amount of water, stirring with a magnetic rod 2min, the filter paper desorption of sugar washed out, with a photometer to measure the eluate sugar content. Sugar heated in hydrochloric acid medium, hydrolysis of hydroxymethyl-5-furaldehyde, with thiobarbituric acid appeared distinctive color. The result is drinking sugar, the tongue mucosal surface of the sugar content increased 54 times higher than before drinking. After rinsing with 25ml of water, the amount of sugar adsorbed on the surface of the tongue is reduced