BUT had no obvious effects on the activity of acetylcholinesterase (AChE), the content of sialic acid (SA), and the protein compositions of erythrocyte membranes.

• BUT对膜乙酰胆碱酯酶(AChE)的活性、唾液酸(SA)的含量及膜蛋白组分没有明显的影响。