Asked by: Ildara Gerlach
asked in category: General Last Updated: 15th June, 2020

Why did they dye pistachio nuts red?

Due to antiquated harvesting methods, nut shells were often left with ugly stains and splotches. Foreign pistachio producers dyed the pistachios with a bright red color in an effort to hide the stains and make the nuts more appealing to consumers.

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In respect to this, when did Red Pistachios go away?

Red pistachios starting disappearing in the '80s, Matoian confirmed. With the limit on imports and the increase of American grown nuts with American harvesting systems, there became no need to dye the nuts.

One may also ask, where are the red pistachios? The traditional growing and harvesting methods used by pistachio farmers in countries such as Iran, Syria, and Greece often left blemishes on the outer shell, which American importers would mask with a red vegetable dye.

Subsequently, one may also ask, what made pistachios red?

Dying the shell red or green covered up the stains. But today about 98 percent of pistachios sold in the U.S. are grown in California, where a more mechanized harvesting process means that the nuts are picked, hulled and dried before the shell has a chance to become stained, so there is no need to dye them.

Do pistachios go bad?

Properly stored, pistachios will last for about 1 to 2 weeks at normal room temperature. Should you refrigerate pistachios? To further extend the shelf life of pistachios, keep them in the refrigerator. Properly stored, pistachios will maintain best quality for about 12 months, but will remain safe beyond that time.

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