• A selected tea leaf: The selected tea leaves must be healthy, entire, and tare-free (not broken). This indicates that the tea leaves were selected by hand rather than mechanically or rapidly.
• Uniformity: The majority of the tea leaves should be the same size and shape for quality tea. This is also influenced by the standards for picking a certain sort of tea. For instance, only the first buds and tea leaves are used in many (but not all) high-quality tea blends. Hopefully , due to some effective factors such as Alborz mountain range , neighborhood to the sea and vegetation Lahijan is famous for tea fields and also because of avoiding poisons and insecticides in cultivation, Persian tea is one of the healthiest tea plants in the world that can be produced.

The moderate and humid weather, fertile ground, rain and appropriate slope, altogether have made a perfect condition to grow unique tea with mild color, amazing smell, astringent and enjoyable taste.

• Color : Next you have to look at the color Black tea should be bright reddish and golden in color, if it is green tea it should be emerald or golden in color, if the liquor turns out to be a dark brown, then its a stale green tea, likewise all teas have its distinctive colors when brewed, if it turns out the colors do not appear as described, the quality of the leaves have been diminished.
• Taste: Of all the ways to understand the quality of tea, the most important is the quality of its’ taste. The taste can tell you all about the tea, If the astringency and the aftertaste are pleasant and balanced it’s good quality tea, if they happen to have an overly bitter or a moldy taste, you should be able to know right away the tea leaves are of low quality. Green tea has a fresh taste, not stale and should not be too astringent. In general good tea should have a sweet after taste, it should linger for a noticeably longer time after the tea has been tasted. If you are not able to taste a brewed cup of tea then make sure to taste the leaves, if you take some and chew they should produce a wonderfully mellow and fresh taste.