65438+1October 2 1, Zhang Xu, director of the Ann Nutrition Society, said that according to GB2760-20 14 "Standards for the Use of Food Additives", China clearly stipulated the variety, scope and dosage of edible pigments added to food, and it was forbidden to use colorants to dye fresh fruits and unprocessed fresh fruits, but carnauba wax could be used for waxing.
"There have been related reports before. In order to make oranges look better, some unscrupulous traders will use Sudan Red or Orange No.2 to dye sugar oranges, so that the skin color of oranges is more vivid and easy to sell." Zhang Xu said that "Sudan Red" is not a food additive, but a chemical dye, which belongs to chemical dyes. Mainly used in industrial solvents such as petroleum, engine oil, etc., in order to make it bright, and also used to polish shoes and floors.
Its chemical composition contains a compound called naphthalene with azo structure. Due to the nature of this chemical structure, it is carcinogenic and has obvious toxic effects on liver and kidney organs of human body. Long-term excessive consumption will lead to liver and kidney function damage, necrosis, and even cancer.
"Hong Ju No.2" is an orange powdery synthetic pigment, which is insoluble in water and soluble in aromatic solvents. It is mainly used as an industrial dye. According to the list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization on120 17 on October 27th and 10, Hong Ju No.2 belongs to the category 2B carcinogen, and long-term intake will increase the risk of human cancer, especially for pregnant women, embryos and babies.
Extended data
Xi citizens reported buying dyed oranges:
Recently, Ms. Wang who lives in the western suburbs of Xi bought some faded oranges. "A few days ago, a neighbor in our community sold sugar oranges. The neighbor said that his friend bought too much to eat, so he asked who in the community wanted it. 10 yuan 4 kg, not expensive, I bought 10 yuan. " Ms. Wang said that she went to work with oranges in the morning and found her index finger red after eating. At first, she didn't think it was the oranges, and the children at home ate a lot.
Later, I learned that there was something wrong with oranges. Peel the oranges after washing your hands, and your fingers are stained with red dye. After wiping the orange peel with a paper towel, the paper towel turns red. Smell the orange peel carefully. It smells like chemicals.
Xi citizens reported buying dyed oranges: the reporter bought 8 kinds and 2 kinds faded.