单词 | d-glucose |
释义 | > as lemmasd-glucose a. A white crystalline sugar which is the commonest sugar in nature and a major energy source in living organisms; spec. one of two enantiomers of this, the dextrorotatory (+) form with the d configuration (also d-glucose; = dextrose n.).A monosaccharide, glucose occurs in uncombined form in fruit juices and in blood and cellular fluids, and in combination in polysaccharides (e.g. cellulose, starch, glycogen), oligosaccharides (e.g. sucrose), and glycosides. The laevorotatory (−) enantiomer, l-glucose, is rare in nature and cannot be used as a source of energy by most living organisms.Formula: C6H12O6. ΘΚΠ the world > food and drink > food > additive > sweetener > [noun] > sugar > dextrose or glucose starch sugar1815 grape-sugar1829 glucose1838 dextrose1866 the world > matter > chemistry > organic chemistry > carbohydrates > sugars > monosaccharides > [noun] > by number of carbon atoms > having 6 carbon atoms > glucose (specific) glucose1838 glycose1856 1838 Brit. Ann. & Epitome Progress Sci. 1839 358 Dumas proposes to term the basis of sugars Glucose. 1844 R. D. Hoblyn Dict. Terms Med. & Collateral Sci. (ed. 2) Glucose, another name for starch sugar, diabetic sugar, or the sugar of fruits. 1867 G. H. Lewes Hist. Philos. (ed. 3) II. 361 The crystals of sugar have to be decomposed and the sugar transformed into glucose. 1906 Jrnl. Amer. Chem. Soc. 28 114 Ordinary glucose and its corresponding fructose (levulose) are designated, respectively, d-glucose and d-fructose, notwithstanding the levo-rotation of the latter. 1951 A. Grollman Pharmacol. & Therapeutics xxvi. 572 In diabetic animals and patients, the injection of insulin is followed by..the disappearance of glucose and acetone bodies from the urine. 1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. ix. 13/1 There is a continual uptake of glucose from the blood by many organs, notably the brain. 2013 A. Rutherford Creation: Future of Life ii. 38 in Creation: Origin of Life Glucose is the fuel that powers cells.., but the concentration of this simple sugar in your blood is a delicate balance. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。