瑜伽論記 6.310

6.310

又應次第，受用飲食下，第五解飲噉嘗次第，亦如律眾學篇說。

From 'Moreover, one should sequentially consume food and drink' onward, the fifth explains the sequence of drinking, chewing, and tasting; this too is as explained in the Vinaya under the section on rules of training.