A soft capsule shell composition of non-animal origin having improved shell hardness and disintegration, comprising i) 15-30% by weight of at least one starch selected from (i) raw starch selected from potato starch, sweet potato starch, tapioca starch and waxy corn starch, (ii) acid modified starch, (iii) hydroxypropylated modified starch, (iv) α-modified starch, (v) cross-linked modified starch, (vi) hydrolyzed starch and (vii) mixed starch of raw starch and modified starch； ii) 1.0-10% by weight of at least one selected gum of gum arabic, tragacanth gum, karaya gum, ghatti gum, guar gum, locust bean gum, tara gum, konjac, alginate, agar, carrageenan, pululane , pectin, gellan, mannan and / or xanthan gum； and iii) 1.0-20% by weight of plasticizer, 0.001-5% by weight of buffering agent, 0.001-3% by weight of disintegrating agent, 0.001-2% by weight of antioxidant and an adequate amount of purified water, wherein said disintegrating agent is at least one selected from glucoamylase, maltogenic amylase, alpha-amylase, beta-amylase, isoamylase or pululanase, wherein said antioxidant is at least one selected from rosemary extract, green tea extract, tocopherol and acid Gallic.Una composición de la cubierta de cápsula blanda de origen no animal que tiene dureza de la cubierta y desintegración mejoradas, que comprende i) 15-30 % en peso de al menos un almidón seleccionado de (i) almidón crudo seleccionado de almidón de patata, almidón de boniato, almidón de tapioca y almidón de maíz ceroso, (ii) almidón modificado con ácido, (iii) almidón modificado hidroxipropilado, (iv) almidón α-modificado, (v) almidón modificado reticulado, (vi) hidrolizado de almidón y (vii) almidón mixto de almidón crudo y almidón modificado； ii) 1,0-10 % en peso de al menos una goma seleccionada de goma arábiga, goma de tragacanto, goma de karaya, goma ghatti, goma guar, goma de algarroba, goma tara, konjac, algin, agar, carragenina, pululano, pectina, gellan, manano y/o goma de xantano； y iii) 1,
