What is Pistachio
Pistachio is a popular food which we usually considered as a nut but it is actually drupe. It is used widely in many countries from Asia to Middle East, Europe and Africa.
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Pistachio and its culture
In many cultures such as Russian, Chinese or Vietnamese… Pistachio is considered as a symbol of happy and health. It’s possible caused from the outlook of the seed. When ripen and still not be processed, the shells of pistachio seeds didn’t split wholly and it makes them look like smiling.
For that reason, pistachio is used as a gift of luck in the New Year. In some areas, it is also used in sweets and snacks for holidays.
Pistachio is a member of Anacardiacea – cashew family of the flowering plants. The plants grow well in hard climate especially high temperature. They are known to be high tolerant to the saline oil and could survive as lowest temperature to -10o C (14o F) and highest to 481 C (1181 F).
They’re required well-drained soil condition in winter to avoid getting susceptible to the root and long, hot summer for the fruits to ripen properly. It cost about 7-11 years for Pistacia vera to give significant production. The harvesting then could elongate to 22 years.
As a drupe, the pistachio fruit includes three layers: the cover layer, the flesh and a shell protect an edible seed inside. This shell is hard with beige color and oval shaped and usually split apart when ripen. The kernel is in yellow-green color and has distinct fatty flavor.
After harvested, it will be hulled, dried then roasted or processed to get the kernels and provided to the market for different produced purposes.