A芦荟——这种多汁的沙漠植物具有药用功效。虽然,芦荟对于烧伤的疗效还存有争议,不过,芦荟改善皮肤干燥问题的功效是显而易见的。对于干性皮肤病,如皮炎,芦荟的部分用途是通过传输多糖以锁住皮肤水分。多糖成分具有显著提高皮肤水合状态,同时降低经皮失水的功效。芦荟活性多糖的保湿机制可能在于其含有大量极性基团,如羟基、羧基等,可与水分子形成氢键而键合锁水,同时多糖分子链相互交织成网状,从而有很 A Aloe Vera - This juicy desert plant has medicinal benefits. Although the efficacy of aloe vera is still controversial for the treatment of burns, the efficacy of aloe to improve the problem of dry skin is evident. For dry skin diseases, such as dermatitis, aloe is partially used to lock the moisture in the skin by transmitting polysaccharides. Polysaccharide composition has a significant increase in skin hydration, while reducing transdermal water loss. Aloe vera polysaccharide may be due to its moisturizing mechanism contains a large number of polar groups, such as hydroxyl, carboxyl and other water molecules can form a hydrogen bond and the lock water, while the polysaccharide molecular chains are intertwined into a network, which has a very