Simple method of tea quality examination

The approach to the tea sample assessment on the quality indicator, including definition of the leaf tier (age) by means of stomata quantity calculation on the films- replicas received from the different sample leaf bottom surface is offered. The less stomata there are on the sample film-replica under review, the higher the tea quality of this sample is. The way doesn't demand the difficult complex equipment and can be implemented in any laboratory having a usual microscope and can be used for carrying out the tea sample quality assessment not only in the form of whole leaves, but also cut on small parts.