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糖类化合物

糖类化合物是由碳、氢、氧三种元素组成的有机物,在化学结构上表现为多羟基醛酮及其衍生物的聚合物。这些物质广泛存在于植物界,是植物体的主要组成成分之一,在植物的生理和生化过程中发挥着重要作用。

根据其结构的不同,糖类可以分为单糖(如葡萄糖、果糖、半乳糖等)、双糖(如蔗糖、麦芽糖、乳糖等)以及多糖(如淀粉、肝糖元、肌糖元等)。单糖是最简单的碳水化合物,它们是不能进一步被水解的含有多个羟基的醛或酮,习惯上称为醛糖和酮糖。例如,葡萄糖是一种己醛糖,果糖则为己酮糖,核糖则是戊醛糖。一般而言,单糖中的碳原子数目不超过10个,在自然界中主要存在的单糖是5至6个碳原子的化合物。

双糖是由两个分子的单糖结合后脱去一分子水形成的;而多糖是由数百乃至数千个葡萄糖分子组成的聚合物。当多糖被彻底水解时,会生成数千个单糖分子。典型的例子包括淀粉和纤维素等。

糖类化合物与人类生活息息相关,是人体获取能量的主要来源之一。此外,它们在药物领域也扮演着重要角色,例如病人可能需要使用葡萄糖注射液或右旋糖酐进行血浆制剂,而某些中药中的糖类成分如茯苓次聚糖、猪苓多糖和香菇多糖具有抗癌活性。

糖是绿色植物光合作用的主要产物之一,并且是维持动植物生命活动所需能量的重要来源。此外,它们也是人类饮食中不可或缺的组成部分,在工业上更是扮演着重要角色,应用于建筑、造纸、制药及食品等多个领域。近年来,关于糖类化合物的研究呈现出两个主要方向:一是化学家致力于人工合成糖类化合物以长远考虑社会的发展需求;二是探索糖与生命过程之间的关系,揭示在生物体内糖与其他分子如蛋白质和核酸的相互作用机制。

随着科学技术的进步,人们对糖类化合物的认识也在不断深入。未来,这些研究有望为人类提供新的食品来源及药物开发方向。

下级分类

中文名称 英文名称 CAS号 化学式 结构式图片
—— Mannobiose 133-99-3 C12H22O11
Mannobiose
—— Lactose 133-99-3 C12H22O11
Lactose
—— 4-O-(β-D-Mannopyranosyl)-D-galactopyranose 133-99-3 C12H22O11
4-O-(β-D-Mannopyranosyl)-D-galactopyranose
—— β-D-Cellobiose 133-99-3 C12H22O11
β-D-Cellobiose
—— γ-cyclodextrin 17465-86-0 C48H80O40
γ-cyclodextrin
—— Neu5Acα(2-3)Galβ(1-4)GlcNAc 81693-22-3 C25H42N2O19
Neu5Acα(2-3)Galβ(1-4)GlcNAc
—— p-nitrophenyl-β-D-N,N',N''-triacetylchitotriose 7699-38-9 C30H44N4O18
p-nitrophenyl-β-D-N,N',N''-triacetylchitotriose
—— p-nitrophenyl 2-acetamido-4-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-2-deoxy-β-D-glucopyranoside 7284-16-4 C22H31N3O13
p-nitrophenyl 2-acetamido-4-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-2-deoxy-β-D-glucopyranoside
—— N-acetyl-D-mannosamine monohydrate 7772-94-3 C8H15NO6*H2O
N-acetyl-D-mannosamine monohydrate
—— 5-deoxy-D-ribose 13039-75-3 C5H10O4
5-deoxy-D-ribose
—— L-Arabinose 50-69-1 C5H10O5
L-Arabinose
—— N-acetyl-beta-D-galactosamine 14131-60-3 C8H15NO6
N-acetyl-beta-D-galactosamine
—— sodium D-glucoronate 14984-34-0 C6H9O7*Na
sodium D-glucoronate
—— L-allonic acid-5-lactone 90-80-2 C6H10O6
L-allonic acid-5-lactone
—— D-gluconic acid δ-lactone 90-80-2 C6H10O6
D-gluconic acid δ-lactone
—— 1,2,3,4,6-penta-O-acetyl-5-thio-α,β-D-glucopyranose 10470-80-1 C16H22O10S
1,2,3,4,6-penta-O-acetyl-5-thio-α,β-D-glucopyranose
—— D-Glucuronsaeurelacton 7330-12-3 C6H8O6
D-Glucuronsaeurelacton
—— L-mannuronic acid-3-lactone 7330-12-3 C6H8O6
L-mannuronic acid-3-lactone
—— adenosine monophosphate 61-19-8 C10H14N5O7P
adenosine monophosphate
—— Sodium (3S,4R,5R)-3,4,5,6-tetrahydroxy-2-oxohexyl phosphate 71662-09-4 C6H13NaO9P
Sodium (3S,4R,5R)-3,4,5,6-tetrahydroxy-2-oxohexyl phosphate
—— 5-(dihydrogenphosphate),D-ribose,sodiumsalt 18265-46-8 C5H11NaO8P
5-(dihydrogenphosphate),D-ribose,sodiumsalt
—— D-Fructose-6-phosphate disodium salt 26177-86-6 C6H13NaO9P
D-Fructose-6-phosphate disodium salt
—— 6-deoxy-D-glucose 634-74-2 C6H12O5
6-deoxy-D-glucose
—— L(+)-rhamnose 634-74-2 C6H12O5
L(+)-rhamnose
—— 6-deoxy-D-gulose 634-74-2 C6H12O5
6-deoxy-D-gulose
—— (3S,4R,5R)-2-fluoro-3,4,5,6-tetrahydroxyhexanal 29702-43-0 C6H11FO5
(3S,4R,5R)-2-fluoro-3,4,5,6-tetrahydroxyhexanal
—— (3S,3aS,6S,6aS)hexahydrofuro[3,2-b]furan-3,6-diol 641-74-7 C6H10O4
(3S,3aS,6S,6aS)hexahydrofuro[3,2-b]furan-3,6-diol
—— 1,2-O-isopropylidene-5-deoxy-α-D-ribofuranose 37105-93-4 C8H14O4
1,2-O-isopropylidene-5-deoxy-α-D-ribofuranose
—— esculin 531-75-9 C15H16O9
esculin
—— (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate 23661-28-1 C20H24O9S
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate
—— ammonium 3-deoxy-D-glycero-β-D-galacto-2-nonulopyranosonate 112543-66-5 C9H16O9*H3N
ammonium 3-deoxy-D-glycero-β-D-galacto-2-nonulopyranosonate
—— N-acetyl-L-mannosamine 72-87-7 C8H15NO6
N-acetyl-L-mannosamine
—— 2-hexanoylamino-2-deoxy-D-glucose 19817-88-0 C12H23NO6
2-hexanoylamino-2-deoxy-D-glucose
—— N-acetyl-1-O-benzyl-4,6-O-benzylidenemuramic acid 74842-55-0 C25H29NO8
N-acetyl-1-O-benzyl-4,6-O-benzylidenemuramic acid
—— 33068-18-7 C6H13NaO9P
—— cellobiitol 499-16-1 C12H24O11
cellobiitol
—— O-β-D-galactopyranosyl-(1->3)-D-galactitol 499-16-1 C12H24O11
O-β-D-galactopyranosyl-(1->3)-D-galactitol
—— neoamygdalin 29883-15-6 C20H27NO11
neoamygdalin
—— L-uridine 58-96-8 C9H12N2O6
L-uridine
—— n-butyl 2-acetamido-2-deoxy-3,4,6-tri-O-acetyl-β-D-glucopyranoside 155197-37-8 C18H29NO9
n-butyl 2-acetamido-2-deoxy-3,4,6-tri-O-acetyl-β-D-glucopyranoside
—— (2S,4R,5R,6S)-4-<(1R)-1,2-dihydroxyethyl>-5-hydroxy-6-hydroxymethyl-2-phenyl-1,3-dioxane 61340-09-8 C13H18O6
(2S,4R,5R,6S)-4-<(1R)-1,2-dihydroxyethyl>-5-hydroxy-6-hydroxymethyl-2-phenyl-1,3-dioxane
—— N-(fluoren-9-ylmethoxycarbonyl)-C-(β-D-galactopyranosyluronic acid)methylamine 655246-28-9 C22H23NO8
N-(fluoren-9-ylmethoxycarbonyl)-C-(β-D-galactopyranosyluronic acid)methylamine
—— D-mannitol 50-70-4 C6H14O6
D-mannitol
—— D-salicin 138-52-3 C13H18O7
D-salicin
—— (2-hydroxymethyl-phenyl)-β-D-galactopyranoside 138-52-3 C13H18O7
(2-hydroxymethyl-phenyl)-β-D-galactopyranoside
—— Salicin 138-52-3 C13H18O7
Salicin
—— salicin 138-52-3 C13H18O7
salicin
—— Phenyl 2-acetamido-2-desoxy-α-D-mannopyranosid 4291-19-4 C14H19NO6
Phenyl 2-acetamido-2-desoxy-α-D-mannopyranosid
—— 2-Acetylamino-2-desoxy-β-D-mannose 72-87-7 C8H15NO6
2-Acetylamino-2-desoxy-β-D-mannose
—— 2-Acetylamino-2-desoxy-α-D-mannose 72-87-7 C8H15NO6
2-Acetylamino-2-desoxy-α-D-mannose