Β-葡聚糖

β-葡聚糖是指由β-葡萄糖^{[註 1]}通过β-糖苷键聚合形成的聚糖，多数的β-葡聚糖分子内糖苷键类型均为β-1,3-糖苷键或β-1,6-糖苷键，纤维素中糖苷键类型为β-1,4-糖苷键。β-葡聚糖最早发现于地衣中^[1]，纤维素是较为常见的β-葡聚糖。一部分β-葡聚糖对人类健康有益^[2]。已有研究证据表明，通过β-1,3-糖苷键聚合而成的β-葡聚糖能强化哺乳动物的先天免疫系统^[3]。1997年，FDA认可了成人每天应至少摄入3克β-葡聚糖的建议^[4]。

参见

α-葡聚糖

注释

^ 在D系糖中，β代表半缩醛羟基空间位置在碳环平面上方

参考资料

^ Kirby RW, Anderson JW, Sieling B, Rees ED, Chen WJ, Miller RE, Kay RM. Oat-bran intake selectively lowers serum low-density lipoprotein cholesterol concentrations of hypercholesterolemic men. Am. J. Clin. Nutr. 1981, 34 (5): 824–9. PMID 6263072.
^ Yoshinori Tsuji; Masaki Yoshida. Chapter Seven - Biology of Haptophytes: Complicated Cellular Processes Driving the Global Carbon Cycle. Advances in Botanical Research. 2017, (84): 219–261 [2018-12-27].
^ Brown, Gordon D.; Williams, David L. (1,3)-β-Glucans in Innate Immunity: 579–619. 2009. doi:10.1016/B978-0-12-373971-1.00018-2.
^ FOOD LABELING. ecfr.gov. [2018-12-27].

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[1] 在D系糖中，β代表半缩醛羟基空间位置在碳环平面上方

[2] Kirby RW, Anderson JW, Sieling B, Rees ED, Chen WJ, Miller RE, Kay RM. Oat-bran intake selectively lowers serum low-density lipoprotein cholesterol concentrations of hypercholesterolemic men. Am. J. Clin. Nutr. 1981, 34 (5): 824–9. PMID 6263072.

[3] Yoshinori Tsuji; Masaki Yoshida. Chapter Seven - Biology of Haptophytes: Complicated Cellular Processes Driving the Global Carbon Cycle. Advances in Botanical Research. 2017, (84): 219–261 [2018-12-27].

[BrownWilliams2009-4] Brown, Gordon D.; Williams, David L. (1,3)-β-Glucans in Innate Immunity: 579–619. 2009. doi:10.1016/B978-0-12-373971-1.00018-2.

[5] FOOD LABELING. ecfr.gov. [2018-12-27].

[註 1]

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