第十九章碳水化合物 Carbohydrates
第十九章 碳水化合物 Carbohydrates Carbohydrates
Carbohydrates 9- Carbohydrates are everywhere in nature They occur in every living organism and are essential to life The word carbohydrate derives historically from the fact that glucose, has the molecular formula c6H12O6 and was originally thought to be a hydrate of carbon", C6 (H2O)6
Organic Chemistry Organic Chemistry Xiamen Xiamen University University Carbohydrates Carbohydrates are everywhere in nature. They occur in every living organism and are essential to life. The word carbohydrate derives historically from the fact that glucose, has the molecular formula C 6 H12 O 6 and was originally thought to be a “hydrate of carbon”, C 6(H 2O) 6
3- Today, the term carbohydrate is used to efer loosely to the broad class of polyhydroxylated aldehydes and ketones commonly call sugars CHO H OH HO--H OH Glucose H-oh a pentahydroxylhexose CHoO
Organic Chemistry Organic Chemistry Xiamen Xiamen University University Today, the term carbohydrate is used to refer loosely to the broad class of polyhydroxylated aldehydes and ketones commonly call sugars. CHO H OH HO H H OH H OH CH 2OH Glucose, a pentahydroxylhexose
a- Carbohydrates are synthesized by green plants during photosynthesis Q- More than 50% of the dry weight of the earth's biomass consists of glucose polymers Carbohydrates acts as the chemical intermediaries by which solar energy is stored and used to support life 光照 CO HO ①D Cellulose Starch ⑨D 光合作用
Organic Chemistry Organic Chemistry Xiamen Xiamen University University Carbohydrates are synthesized by green plants during photosynthesis. More than 50% of the dry weight of the earth’s biomass consists of glucose polymers. Carbohydrates acts as the chemical intermediaries by which solar energy is stored and used to support life. CO 2 H 2 O 光照 O 2 C 6 H12 O 6 光合作用 Cellulose Starch
191碳水化合物的分类 Classification of Carbohydrates
Organic Chemistry Organic Chemistry Xiamen Xiamen University University 19.1 碳水化合物的分类 Classification of Carbohydrates