About 40% of the total body wall protein is collagen, but little was known about the properties because of its extreme insolubility.

刺参体壁蛋白含量的40%以上为胶原蛋白，但是由于它的不溶解性，关于它的相关性质报道很少。

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Dietary total Trp and digestible Trp concentration for both male and female chicks to gain maximum retention rate of body protein were 0.17% and 0.15%.

公、母鸡获得最大体蛋白质沉积的饲粮中总色氨酸和可消化色氨酸含量为0.17%和0.15%。

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