单词	pentose
释义	pentose /ˈpɛntəʊz / /ˈpɛntəʊs/ noun Chemistry Any of the class of simple sugars whose molecules contain five carbon atoms, such as ribose and xylose. They generally have the chemical formula C5H10O5.The pentose sugars, whose molecules contain only five carbon atoms instead of six, caramelize very well.... The salvage pathways combine adenine with a pentose to alter the adenosine nucleotide pool inventory. The pentose phosphate pathway is primarily an anabolic pathway that utilizes the 6 carbons of glucose to generate 5 carbon sugars and reducing equivalents. Origin Late 19th century: from penta- 'five' + -ose2.
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