三种不同结合状态的果皮多糖分的物理化学性质和体外低脂活性,这些分离物从梨中顺序提取出来
Luyao Chen1, Yijing Pu1, Xu He1
1College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China.
International journal of biological macromolecules
|January 25, 2025
概括
梨粉碎片,包括水溶性 (WSF),可溶性化剂 (CSF) 和可溶性碳酸 (NSF),具有不同的特性. 这些乳脂多糖体显示出有前途的低脂和抗氧化活性,表明健康补充剂的潜力.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
- 营养保健品 营养保健品
背景情况:
- 果粉中丰富的性多糖是果粉中的多糖.
- 了解它们的结构变化是解开它们对健康的好处的关键.
- 梨肉是生物活性化合物的潜在来源.
研究的目的:
- 从梨中分离和表征水溶性 (WSF),化剂溶性 (CSF) 和碳酸溶性 (NSF) 分数.
- 评估这些分量的物理化学性质和体外低脂性活性.
- 为了将结构特征与功能性质相关联.
主要方法:
- 梨肉的顺序分成部分.
- 使用单糖化合物组成,NMR,FT-IR和SEM进行表征.
- 在体外测定抗氧化和低脂性活性 (胆固醇微粒抑制,胰腺脂酶/胆固醇雌激酶抑制,胆酸盐结合).
主要成果:
- WSF,CSF和NSF显示出不同的物理化学特性和单糖样.
- WSF和NSF高甲基化pectins (DM 85.71%,66.67%),CSF是低甲基化 (DM 47.83%). 这两种类型的甲基化的含量较高.
- 所有部分都表现出抗氧化和低脂作用;WSF显示出对胆固醇和酶的优异抑制,而CSF/NSF具有更高的胆酸盐结合.
结论:
- 来自梨的乳糖多糖的不同结合状态具有不同的结构特征.
- 这些结构上的差异影响了它们的功能性质,包括低脂性活动.
- 梨点分数有可能用于促进健康和食补充剂.
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