甲壳素,又名几丁质、几丁聚糖,学名聚氨基葡萄糖。它广泛存在于生物界,如海蟹、海洋贝壳类、软体动物软骨和龟鳖、昆虫的外壳,以及蘑菇类的细胞膜中。人们了解植物纤维,而对动物纤维却知之甚少。甲壳素正是自然界中罕见的带正电荷的可食性动物 Chitin, also known as chitin, chitosan, known as polyglucosamine. It is widely found in the biological world, such as sea crabs, marine shells, mollusks cartilage and turtles, insect husks, and mushroom cell membranes. People understand plant fibers, but little is known about animal fibers. Chitin is a rare positive charge of edible animals in nature