| 词汇 | monosaccharide |
| 释义 | monosaccharide noun[ C ] chemistry specializeduk /ˌmɒn.əʊˈsæk.ər.aɪd/ us /ˌmɑː.noʊˈsæk.ə.raɪd/ a simple type of carbohydrate, such as glucose and fructose, formed of molecules that cannot be broken down into any simpler form单糖（一种结构简单的碳水化合物，如葡萄糖、果糖，其分子无法进一步分解） Synonym simple sugarspecialized Compare polysaccharidespecialized Chemistry: types of chemical acid salt aerogel albumin alkali metal alkaline alkaloid antioxidant carbohydrate homologous series inorganic isopropanol ketone lectin melamine mothball propellant saline soluble sulphide weak base monosaccharide | American Dictionarymonosaccharide noun[ C ] us/ˌmɑn·əˈsæk·əˌrɑɪd/ biology a type of carbohydrate (= substance that provides energy) formed of only one molecule (= smallest unit of a substance) of a sugar and therefore cannot be divided to form other sugars Examples of monosaccharidemonosaccharide Maintaining the strategy of attractiveness by monosaccharides may have benefits, both for the nutritional needs of frugivores and plant reproduction. Species consumed contained a relatively greater amount of monosaccharides: 45% + 17.5% of total sugars was glucose, 47% + 19.3% fructose, and only 7.7% + 12.4% was sucrose. At these distal sites, monosaccharide concentrations were higher than in other parts of the plant. By contrast, monosaccharides, present mainly in the crown, represented between 11 and 26 % of total sugars in the plant. Selective utilization of ribose would have been further complicated by its rate of degradation, which exceeds those of many other monosaccharides. On the other hand, reduced glutathione, 16 kinds of amino acids and four kinds of monosaccharides did not attract this nematode. Their molecular weights, monosaccharide composition and isoelectric points from different clones have been estimated. Fructose and glucose will be referred to collectively as monosaccharides. Seg8 has defective endosperm development, reduced starch synthesis and elevated monosaccharide concentrations. Sugar analysis revealed the presence of the oligosaccharides raffinose and stachyose, the disaccharide sucrose, and the monosaccharides glucose and fructose. Glycolaldehyde is an important biomarker since it is structurally the simplest member of the monosaccharide sugars. When there is no parent chain, all different monosaccharide residues are to be listed alphabetically as glyco- prefixes and the name should end with -glycan. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, it is rich in the carbohydrate inulin (76%), which is a polymer of the monosaccharide fructose. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When combined with glucose (monosaccharide), through a condensation reaction, the result is the disaccharide lactose. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The presence of an aldehyde group in a monosaccharide is indicated by the prefix "aldo-". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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