In today's market, some illegal vendors dye China green tea to deceive consumers and endanger people's health. Experts suggest that you can see through the "dyeing tea" by seeing, smelling and tasting the "three tricks".
According to the national standards for green tea production, green tea must not be colored, and no non-tea substances must be added. Of course, the addition of pigments is not allowed. Generally, green tea with pigments is of inferior quality. Unscrupulous merchants can improve the appearance of tea by adding pigments to increase prices. Experts point out that any synthetic pigments are harmful to the human body. The heavy metals in the pigments are toxic to the nervous system of the human body. Some organic components contained in the pigments can cause harm to the blood function of the human body. Chemical pigments are more harmful to the human body.
When buying tea, you should be cautious about buying tea with abnormal color. You can distinguish tea by looking, smelling, and tasting the "three tricks". First of all, it depends on whether the tea itself is full and the color is bright. The tea soup made from the undyed tea leaves is clear and the bottom, while the tea soup made from the dyed tea leaves is turbid and strong in color; the dyed tea has an abnormal smell, very pungent and natural There is a slight tea fragrance in tea leaves; in terms of taste, good tea leaves can make people hydrated and thirst, while poor quality tea leaves will make people drink more and more thirsty. You must also buy from reputable merchants, and pay attention to the manufacturer, shelf life, etc. on the packaging. You must not go to some roadside shops to buy tea from unknown sources.