蛋白胨

例句：

1. 1. The protein bouillon is a key ingredient in many recipes.
   蛋白质胨是许多食谱的关键成分。
2. 2. The chef added a pinch of protein bouillon to the soup for extra flavor.
   厨师在汤里加了一点蛋白质胨以增加风味。
3. 3. The protein bouillon helps to tenderize tough cuts of meat.
   蛋白质胨有助于使肉质变嫩。