Α-葡聚糖

支链淀粉结构图，其中主链的不同单体之间由α-1,4-糖苷键聚合而成，支链形成处，接合两个单糖残基的是α-1,6-糖苷键

α-葡聚糖（alpha glucan）是指由α-葡萄糖^{[註 1]}聚合形成的聚糖^[1]。淀粉（包括直链淀粉和支链淀粉）、糖原均属于α-葡聚糖。在淀粉和糖原分子中，主链的不同单体之间由α-1,4-糖苷键聚合而成，在形成支链处，会有α-1,6-糖苷键存在^[2]^[3]。另外，已有人工合成以α-1,3-糖苷键聚合的α-葡聚糖的报导^[4]。

参见

注释

^ 在D系糖中，α代表半缩醛羟基在碳环下

参考资料

^ Shimomura, Shoji; Fukui, Toshio. A comparative study on .alpha.-glucan phosphorylases from plant and animal: interrelationship between the polysaccharide and pyridoxal phosphate binding sites by affinity electrophoresis. Biochemistry. 1980-05-27, 19 (11): 2287–2294. ISSN 0006-2960. doi:10.1021/bi00552a001.
^ Robert K. Murray; et al. 哈珀图解生物化学 (Harper's Illustrated Biochemistry) 27th. 北京: 科学出版社. 2010: 121–122. ISBN 978-7-03-028539-3.
^ Ai, Yongfeng; Nelson, Bridget; Birt, Diane F.; Jane, Jay-Lin. In vitro and in vivo digestion of octenyl succinic starch. Carbohydrate Polymers. 2013-11-06, 98 (2): 1266–1271 [2021-11-10]. ISSN 1879-1344. PMID 24053802. doi:10.1016/j.carbpol.2013.07.057. （原始内容存档于2021-11-10）.
^ Puanglek, Sakarin; Kimura, Satoshi; Enomoto-Rogers, Yukiko; Kabe, Taizo; Yoshida, Makoto; Wada, Masahisa; Iwata, Tadahisa. In vitro synthesis of linear α-1,3-glucan and chemical modification to ester derivatives exhibiting outstanding thermal properties. Scientific Reports. 2016-07, 6 (1): 30479 [2021-11-10]. ISSN 2045-2322. PMC 4965762 . PMID 27469976. doi:10.1038/srep30479. （原始内容存档于2022-03-08）（英语）.

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[1] 在D系糖中，α代表半缩醛羟基在碳环下

[2] Shimomura, Shoji; Fukui, Toshio. A comparative study on .alpha.-glucan phosphorylases from plant and animal: interrelationship between the polysaccharide and pyridoxal phosphate binding sites by affinity electrophoresis. Biochemistry. 1980-05-27, 19 (11): 2287–2294. ISSN 0006-2960. doi:10.1021/bi00552a001.

[3] Robert K. Murray; et al. 哈珀图解生物化学 (Harper's Illustrated Biochemistry) 27th. 北京: 科学出版社. 2010: 121–122. ISBN 978-7-03-028539-3.

[pmid24053802-4] Ai, Yongfeng; Nelson, Bridget; Birt, Diane F.; Jane, Jay-Lin. In vitro and in vivo digestion of octenyl succinic starch. Carbohydrate Polymers. 2013-11-06, 98 (2): 1266–1271 [2021-11-10]. ISSN 1879-1344. PMID 24053802. doi:10.1016/j.carbpol.2013.07.057. （原始内容存档于2021-11-10）.

[PuanglekKimura2016-5] Puanglek, Sakarin; Kimura, Satoshi; Enomoto-Rogers, Yukiko; Kabe, Taizo; Yoshida, Makoto; Wada, Masahisa; Iwata, Tadahisa. In vitro synthesis of linear α-1,3-glucan and chemical modification to ester derivatives exhibiting outstanding thermal properties. Scientific Reports. 2016-07, 6 (1): 30479 [2021-11-10]. ISSN 2045-2322. PMC 4965762 . PMID 27469976. doi:10.1038/srep30479. （原始内容存档于2022-03-08）（英语）.

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