「醣類」:各本之異

[初定本][初定本]
刪去的內容 新增的內容
MintCandy
// Edit via Wikiplus
阿拉伯數字
丁子君
無編輯摘要
阿拉伯數字
第一行:
[[File:Zucker.jpg|thumb|糖之結晶]]
[[Image:Lactose.svg|thumb|right|310px|[[乳糖]],二醣之例,[[半乳糖|D-半乳糖]]分子縮[[果糖|D-果糖]]於β-1-4[[醣苷鍵]]而成。分子式C<sub>12</sub>H<sub>22</sub>O<sub>11</sub>.]]
'''醣類'''{{按|洋名[[英語|英言]]:Carbohydrate}},或曰'''碳水化合物''',廣布[[自然界|自然]],常構之以[[碳]]、[[氫]]、[[氧]]三[[元素|素]],乃多[[羥基]][[醛]]、[[酮]]及其縮聚、衍生之物也。舊所言「碳水化合物」,乃以其質「C<sub>n</sub>(H<sub>2</sub>O)<sub>n</sub>」;今知鼠李糖{{按|C<sub>6</sub>H<sub>12</sub>O<sub>5</sub>}}之醣非是質、[[甲醛]]{{按|CH<sub>2</sub>O}}之類合質非醣者,故所用日薄。醣類,有[[單醣]]、[[二醣]]、[[多醣]]之類也。其[[分子量]]較微之單醣、二醣者,常云之糖也;其分子量較著者,如[[澱粉]]、[[纖維素]],雖無似醣之表,然其裏亦為多醣。<ref>{{cite journal|doi=10.1038/421219a|title=Sugars tied to the spot|year=2003|last1=Flitsch|first1=Sabine L.|last2=Ulijn|first2=Rein V|journal=Nature|volume=421|issue=6920|pages=219–20|pmid=12529622}}</ref>醣類,[[生物]]之[[能源物質|能質]]也,遺傳物質之骨幹也。澱粉之於[[植物]],[[醣原]]之於[[動物]],佇能以供其乏困;[[甲殼素]]之於[[動物外骨骼|外骨骼]],纖維素之於[[細胞壁]],築骨以守其柔弱。遺傳焉,則[[核酸]]、[[輔因子]]之中堅;[[免疫]]焉,凝血、信導之連結。<ref>{{cite book |last = Maton |first = Anthea |coauthors = Jean Hopkins, Charles William McLaughlin, Susan Johnson, Maryanna Quon Warner, David LaHart, Jill D. Wright |title = Human Biology and Health |publisher = Prentice Hall |year = 1993 |location = Englewood Cliffs, New Jersey, USA |pages = 52–59 |isbn = 0-13-981176-1}}</ref>醣類,[[食品科學|食糧]]之本也<ref>{{cite journal|title=Advances in Carbohydrate Chemistry|journal=Journal of Agricultural and Food Chemistry|date=1953-04-01|volume=1|issue=1|pages=109–111|doi=10.1021/jf60001a611}}</ref><ref>{{cite journal|title=Carbohydrate Synthons in Natural Products Chemistry:&nbsp; Synthesis, Functionalization, and Applications Edited by Zbigniew J. Witczak (Wilkes University) and Kuniaki Tatsuta (Waseda University). American Chemical Society (Distributed by Oxford University Press):&nbsp; Washington, DC. 2003. xiv + 210 pp. $135.00. ISBN 978-0-8412-3740-7.|journal=Journal of the American Chemical Society|date=2003-06-01|volume=125|issue=25|pages=7748–7748|doi=10.1021/ja033524i}}</ref>。
 
==史==