苹果（Malus Domestica）是桃金娘科的一种流行且古老的水果。苹果果实以其丰富的营养和植物化学成分而闻名，其中包括多酚、多糖、甾醇和有机酸等有益化合物。从苹果果实的不同部分（包括果皮、果渣或整个水果）提取的多糖已被广泛研究。研究人员研究了这些多糖的结构特征，如分子量、单糖单元类型、键合类型及其位置和排列。除此之外，还研究了苹果多糖的功能特性和理化性质，以及提取程序、储存和加工对细胞壁多糖的影响。人们已经研究了各种提取技术，包括热水提取、酶提取和溶剂辅助提取。结果表明，苹果多糖主要由(1→3)、(1→6)：α-β-糖苷键组成。此外，苹果多糖在体外和体内均被证明具有抗氧化、保肝、抗癌、降血脂和酶抑制特性。本综述还探讨了苹果多糖在食品、化妆品、制药、营养保健品行业的潜在应用。总体而言，对苹果多糖的研究凸显了它们作为生物活性化合物来源的巨大潜力，具有多种健康益处和实际应用。版权所有 © 2023。由 Elsevier B.V. 出版。

Apple (Malus domestica) is a popular and ancient fruit of the Myrtaceae family. Apple fruit is well-known for its great nutritional and phytochemical content consisted of beneficial compounds such as polyphenols, polysaccharides, sterols, and organic acids. Polysaccharides extracted from different parts of the apple fruit, including the peel, pomace, or the whole fruit, have been extensively studied. Researchers have investigated the structural characteristics of these polysaccharides, such as molecular weight, type of monosaccharide unit, type of linkage and its position and arrangement. Besides this, functional properties and physicochemical and of apple polysaccharides have also been studied, along with the effects of extraction procedures, storage, and processing on cell wall polysaccharides. Various extraction techniques, including hot water extraction, enzymatic extraction, and solvent-assisted extraction, have been studied. From the findings, it was evident that apple polysaccharides are mainly composed of (1 → 3), (1 → 6): α-β-glycosidic linkage. Moreover, the apple polysaccharides were demonstrated to exhibit antioxidant, hepatoprotective, anti-cancer, hypoilipidemic, and enzyme inhibitory properties in vitro and in vivo. The potential applications of apple polysaccharides in the food, cosmetic, pharmaceutical, nutraceutical industries have also been explored in the present review. Overall, the research on apple polysaccharides highlights their significant potential as a source of biologically active compounds with various health benefits and practical applications.Copyright © 2023. Published by Elsevier B.V.