还原醣 Ag IAg 0.80 vCu II Cu I0.16 vCROHAgOHCROHAgOHOHIICROOH氧化( 去氢)还原(Ag I 得到电子)Ag 葡萄醣的环形结构葡萄醣的环形结构由-CHO和碳五的-OH进行缩醛反应。α α– D- Glucoseβ β– D- GlucoseAll equtorial 果醣的环形结构果醣的环形结构由碳二的C=O和碳五的-OH进行缩醛反应。D -fructofuranose HO HH OHH OHCCH 2 OHOCHOHOHHH 2 OHO HH OHH OHCCH 2 OHOHCOHOH 2HO HHO HH OHH OHCCH 2 OHOHCHOH =>