Sufficient strength and the extension were united as the capsule membrane, adhesiveness and transparency were superior, drying process load is little, although the practical capsule membrane seat of plant origin is obtained, the capsule membrane seat which can making use of the composition for the membrane and the composition for the said membrane which are suited, furthermore the fact that the capsule formulation is offered is topic. The composition for the capsule membrane which is made purpose by making with the plant characteristic polysaccharide and the polyglutamic acid contain, it reached the point where it can produce the capsule membrane seat and to obtain the capsule formulation.カプセル皮膜として十分な強度と伸びを併せ持ち、接着性と透明度が優れた、乾燥工程負荷が少ない、植物由来の実用的なカプセル皮膜シートを得るのに適した皮膜用組成物と、該皮膜用組成物を用いて得られるカプセル皮膜シート、さらにはカプセル製剤を提供することが課題である。植物性多糖類とポリグルタミン酸とを含有させることにより、目的とするカプセル皮膜用組成物、カプセル皮膜シート及びカプセル製剤を得ることができるようになった。
