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。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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4-O-β-D-吡喃半乳糖基-D-葡糖醇 | lactitol monohydrate | 81025-04-9 | C12H24O11*H2O |
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4-O-β-D-吡喃半乳糖基-D-半乳吡喃糖 | β-D-galactopyranosyl-(1→4)-D-galactopyranose | 2152-98-9 | C12H22O11 |
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4-O-alpha-D-吡喃半乳糖基-D-半乳糖 | <i>O</i><sup>4</sup>-α-D-Galactopyranosyl-D-galactose | 13117-26-5 | C12H22O11 |
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4-O-(2,3,4,6-四-O-乙酰基)-β-D-吡喃(型)葡糖基-D-吡喃(型)葡糖四乙酸酯 | D-cellobiose octaacetate | 3616-19-1 | C28H38O19 |
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4,7,8,9-四-O-乙酰基-N-乙酰神经氨酸甲酯 | 4,7,8,9-tetra-O-acetyl-N-acetylneuraminic acid methyl ester | 84380-10-9 | C20H29NO13 |
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4,6-亚乙基-alpha-D-葡萄糖 | 4,6-o-ethylidene-α-D-glucose | 13224-99-2 | C8H14O6 |
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4,6-o-亚苄基-a-d-甘露糖苷甲酯 | 6-Methoxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxine-7,8-diol | 4148-58-7 | C14H18O6 |
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4,6-O-亚苄基-D-吡喃葡萄糖 | 4,6-O-benzylidene-D-glucose | 30688-66-5 | C13H16O6 |
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4,6-O-乙叉-D-吡喃葡萄糖 | 4,6-O-ethylidene-D-glucopyranose | 18465-50-4 | C8H14O6 |
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3A-氨基-3A-脱氧-(2AS,3AS)-β-环糊精水合物 | 3<sup>A</sup>-amino-3<sup>A</sup>-deoxy-altro-β-cyclodextrin | 117194-77-1 | C42H71NO34 |
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3-路易斯寡糖-X四糖 | Sialyl-Lewis X | 98603-84-0 | C31H52N2O23 |
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3-脱氧-d-葡萄糖 | 3-deoxy-D-glucose | 2490-91-7 | C6H12O5 |
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3-羧基香豆素-Β-D-吡喃葡萄糖醛酸 | 3-Carboxyumbelliferyl-b-D-glucuronide | 216672-17-2 | C16H14O11 |
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3-羧基香豆素-Β-D-吡喃半乳糖苷 | 3-Carboxyumbelliferyl beta-D-galactopyranoside | 64664-99-9 | C16H16O10 |
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3-硝基苯-Alpha-D-吡喃半乳糖苷 | meta-nitrophenyl-α-D-galactopyranoside | 3150-25-2 | C12H15NO8 |
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3-硝基苯 β-D-吡喃半乳糖苷 | 3-nitrophenyl β-D-galactopyranoside | 3150-25-2 | C12H15NO8 |
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3-氟-3-脱氧-D-吡喃糖 | 3-deoxy-3-fluoro-D-glucose | 14049-03-7 | C6H11FO5 |
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3-吲哚基-beta-D-葡糖苷酸环己胺盐 | Indoxyl glucuronide | 35804-66-1 | C14H15NO7 |
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3-吲哚基-beta-D-吡喃葡萄糖苷 | 3-indoxyl-β-D-glucopyranoside | 487-60-5 | C14H17NO6 |
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3-吲哚基-beta-D-吡喃半乳糖苷 | (2S,3R,4S,5R,6R)-2-((1H-indol-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol | 126787-65-3 | C14H17NO6 |
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3-叠氮-2,3-二脱氧基-1-O-(叔丁基二甲基甲硅烷基)-β-D-阿拉伯-六吡喃糖 | 3-azido-1-O-tert-butyldimethylsilyl-2,3-dideoxy-β-D-arabinohexopyranoside | 189454-43-1 | C12H25N3O4Si |
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3-乙酰氨基-3-脱氧-D-葡萄糖 | 3-Acetamido-3-deoxy-D-glucose | 14086-88-5 | C8H15NO6 |
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3-乙酰氨基-3-脱氧-D-葡萄糖 | N-Acetyl-kanosamin | 14086-88-5 | C8H15NO6 |
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3-乙酰基伞形酮基beta-D-吡喃葡萄糖苷 | 3-acetyl-7β-D-glucopyranosyloxy | 20943-16-2 | C17H18O9 |
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3-[3,5-二羟基-6-(羟基甲基)-4-[3,4,5-三羟基-6-(羟基甲基)四氢吡喃-2-基]氧基-四氢吡喃-2-基]氧基-2,4,5,6-四羟基-己醛 | 3-[3,5-Dihydroxy-6-(hydroxymethyl)-4-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-2,4,5,6-tetrahydroxyhexanal | 3256-04-0 | C18H32O16 |
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3-O-苄基-4-C-羟甲基-1,2-O-异亚丙基-ALPHA-D-呋喃核糖 | 1,2-O-isopropylidene-3-O-benzyl-4-hydroxymethyl-α-D-ribofuranose | 63593-03-3 | C16H22O6 |
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3-O-苄基-1,2:5,6-双-O-异丙亚基-alpha-D-呋喃半乳糖 | 1,2:5,6-di-O-isopropylidene-3-O-benzyl-α-D-allofuranose | 22331-21-1 | C19H26O6 |
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3-O-苄基-1,2:5,6-O-双异丙叉-α-D-呋喃葡萄糖 | 3-O-benzyl-1,2-5,6-O-diisopropylidene-α-D-glucofuranose | 18685-18-2 | C19H26O6 |
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3-O-己糖吡喃糖苷吡喃己糖 | 3-O-α-D-mannopyranosyl-D-mannopyranose | 23745-85-9 | C12H22O11 |
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3-O-乙酰基-1,2:5,6-二-O-异丙基-Alpha-D-呋喃(型)葡萄糖 | 3-O-acetyl-1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose | 16713-80-7 | C14H22O7 |
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3-O-(Α-D-吡喃半乳糖基)-D-半乳糖 | α-Galp-(1->3)-Gal | 497-48-3 | C12H22O11 |
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3-O-(A-D-吡喃甘露糖苷)-A-D-吡喃甘露糖苷-4-硝基苯酯 | p-nitrophenyl 3-O-α-D-mannopyranosyl-α-D-mannopyranoside | 26255-70-9 | C18H25NO13 |
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3,6-双邻(alpha-d-呋喃鼠李糖)-d-呋喃鼠李糖 | 3,6-Di-O-(alpha-D-mannopyranosyl)-D-mannopyrannose | 121123-33-9 | C18H32O16 |
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3,5-二-O-(叔丁基二甲基硅烷)-2-脱氧-D-核糖酸-1,4-内酯 | 3,5-di-O-(tert-butyldimethylsilyl)-2-deoxy-D-ribono-1,4-lactone | 83159-91-5 | C17H36O4Si2 |
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3,4-二乙酰-L-阿醛 | 3,4-di-O-acetyl-L-arabinal | 3945-18-4 | C9H12O5 |
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3,4-二-O-乙酰-1,5-酐-2,6-双脱氧-L-阿拉伯-己-1-糖醇 | 3,4-di-O-acetyl-6-deoxy-L-glucal | 34819-86-8 | C10H14O5 |
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3,4,6-三邻苄基半乳醛 | 3,4,6-tri-O-benzyl-D-galactal | 80040-79-5 | C27H28O4 |
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3,4,6-三苄氧基-D-葡萄烯糖 | 3,4,6-tri-O-benzyl-D-glucal | 55628-54-1 | C27H28O4 |
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3,4,6-三-o-乙酰基-2-乙酰氨基-2-脱氧-a-d-硫代吡喃葡萄糖苷乙酯 | (5-Acetamido-3,4-diacetyloxy-6-ethylsulfanyloxan-2-yl)methyl acetate | 49810-41-5 | C16H25NO8S |
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3,4,6-三-O-苄基-beta-D-吡喃甘露糖-1,2-(甲基原乙酸酯) | 3,4,6-tri-O-benzyl-1,2-O-(methoxyethylidene)-β-D-mannopyranose | 16697-49-7 | C30H34O7 |
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3,4,6-三-O-乙酰基-Alpha-D-吡喃半乳糖-1,2-(甲基原乙酸酯) | 3,4,6-tri-O-acetyl-1,2-O-(1-methoxyethylidene)-α-D-galactopyranose | 50801-29-1 | C15H22O10 |
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3,4,6-O-三乙酰基-2-脱氧-D-葡萄糖 | 3,4,6-tri-O-acetyl-2-deoxy-D-glucopyranose | 69503-94-2 | C12H18O8 |
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3,3-甲基哌嗪-2-酮 | 3,3-dimethyl-piperazin-2-one | 22476-74-0 | C6H12N2O |
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2-萘基-β-D-葡糖苷酸钠 | 20838-64-6 | C16H16NaO7 |
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2-萘基-β-D-吡喃葡糖苷 | 2-naphthyl-β-D-glucopyranoside | 6044-30-0 | C16H18O6 |
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2-萘基-β-D-半乳糖苷 | 2-naphthyl β-D-galactopyranoside | 33993-25-8 | C16H18O6 |
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2-萘基-α-D-葡萄糖苷 | β-Naphthol-α-D-glucopyranosid | 25320-79-0 | C16H18O6 |
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2-萘基-Α-L-岩藻糖 | Naphthyl-alpha-L-fucoside | 63503-05-9 | C16H18O5 |
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2-萘基-2,3,4,6-O-四乙酰基-β-吡喃葡萄糖苷 | 2-naphthyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside | 14581-89-6 | C24H26O10 |
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2-脱氧-beta-L-赤式戊呋喃糖 | (2S,4R,5S)-5-(Hydroxymethyl)oxolane-2,4-diol | 533-67-5 | C5H10O4 |
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