The free serine and glutamatic acid concentrations in liver declined more than 80% while leucine, isoleucine and lysine declined more than 40%.

• 肝脏游离氨基酸中丝氨酸、谷氨酸的浓度下降幅度大于80%25，亮氨酸、异亮氨酸、赖氨酸的浓度下降幅度大于40%25。