Do you know that there is really toxic goji in the world?
According to the official data of China inspection bureau, for example, dried fruit, tremella, red dates, dried lily, rose tea, chrysanthemum tea and so on are prone to sulfur dioxide residue.

So are goji berries. Goji berries need to be dried and dehydrated. If they are not dried in a factory, they will be dried in the traditional way, which is influenced by the weather.

When it rains, the color of the wolfberry will turn black. Under the picture will be considered broken, can not sell, how to do?

Some bad merchants use sodium sulfite or sodium pyrosulfite to make up for the loss. Excess sulfur dioxide may keep goji berries dry and less perishable.
It can also shorten the drying time and make the wolfberry look better.
If long-term consumption of sulfur dioxide wolfberry, liver and kidney caused great harm.


Below are ten types of Chinese wolfberry for sulfur dioxide residue detection. Chinese national standards stipulate that the residual sulfur dioxide content of Chinese wolfberry should not exceed 50mg/kg
Discoloration indicates excessive sulfur dioxide.
Sulfur dioxide exceeding the standard of Chinese wolfberry, mostly from small farmers, and small dealers. Buy Chinese wolfberry try to choose a large brand and through international certification manufacturers
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