1. Appearance:
1）Skin: yellow, purple, green, large particles and full. very white shell of  pistachios were bleached, harmful to human body, not to eat.
2）Shells with natural luster, nuts kernal are natural green.
3）Generally speaking, the bigger pistachios nuts taste better compared with smaller one.
4）.Splitting : Mouth of pistachios nuts is opened naturally after the nut kernels are ripe, however, big shell and less quantity meat for
manual work.

2. Color:
The green pistachio nuts is more fresh than yellow, long storage time is not suitable for eating
The shell of nut is generally light yellow , and if the nut is white, the nut must be bleach.

3.place of origin:
The pistachio nut does not origin from china, although there are some planting of pistachio nut,
Good quality nut still depends of exporting.

Natural opening is better than opening through machine. In the process of growing of pistachio nut, it will be growing up and then promote its shell to split. So , we can get ripe pistachio nut
Everyone can try to shut the pistachio nut if you just buy it , if the opening can be folded completely and only has a small gap, that is opened Artificially.
Friends , if you are processing of nut , choosing good quality pistachio nut is important.