Recently, there was a news on the Internet of

. It said that a lady in Qingdao ordered a fresh milk cake in a cake shop. That night, after eating the cake with her child, she suddenly found that their tongues had turned purple.

until noon the next day, the purple on the tongue still did not fade, and the mouth still had a bitter feeling. Finally, the relevant departments confirmed that the pigment used in the cake shop was unqualified.

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here, Xiaojiu is going to popularize science for you. The pigments we usually eat can be divided into two categories: natural pigments and synthetic pigments. The pictures of

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have the truth. Most of the natural pigments in

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are extracted from plant tissues, including some pigments from animals and microorganisms. Therefore, most natural pigments are not only non-toxic, but also have certain nutritional and pharmacological effects. At present, there are 45 kinds of natural pigments in China. Synthetic pigment refers to the organic pigment obtained by artificial chemical synthesis method, which is mainly made from aniline dye separated from coal tar. The latest research on

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shows that almost all synthetic pigments can not provide nutrients to human body, and some synthetic pigments may even harm human health, leading to fertility decline, teratogenesis, and even conversion into carcinogens. At present, there are eight kinds of artificial pigments in China.

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believe that many friends have a question, why use artificial pigments when natural pigments are so good? The investigation of

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shows that although natural pigment is good, its annual output is limited. Compared with synthetic pigment, the price of natural pigment is high, which makes it less used in domestic food manufacturing industry.

let’s let you know what these eight kinds of artificial pigments are, and what kind of harm will be caused to the body if taken for a long time.

1. Carmine

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carmine, also known as edible red No.7, is red to dark red powder, soluble in water but insoluble in oil. It can be used as food pigment in fruit juice beverage, mixed wine, carbonated beverage, candy, pastry, ice cream, yoghurt and other foods, but can not be used in dried meat, preserved meat products, aquatic products and other food.

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hazards: if the food containing carmine is taken for a long time, it will cause great harm to the human body, especially to the liver and kidney function, and seriously may cause cancer.

2. Amaranth

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amaranth, also known as edible red No.9, is purplish red powder and water-soluble azo colorant. It is commonly used for coloring fruit water, fruit powder, fruit juice, soft drink, confected wine, candy, cake, red and green silk, canned, concentrated juice, green plum, etc.

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hazards: studies have found that food containing amaranth is carcinogenic and can cause great harm to human body, especially for infants.

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3. Sunset yellow

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sunset yellow is also known as edible yellow No. It is commonly used for coloring fruit flavored drinks (liquid and solid), juice drinks, soft drinks, confected wine, confectionery, cakes, red and green silk, canned, concentrated juice, plum, ice cream and medicine coloring.

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hazards: if the food containing sunset yellow is taken for a long time, it may cause allergy, diarrhea and other symptoms. When the intake is too large and exceeds the liver load, it will accumulate in the body, causing certain damage to the kidney and liver. Red moss red

is a kind of red or reddish brown granules or powder with bright color. It is often used in beverage, confectionery wine, candy and other food coloring to improve its sensory quality.

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hazards: for example, long-term use of food containing red moss red can affect the nervous system, easily causing hyperactivity, emotional instability, inattention, poor self-control, behavioral quirks, loss of appetite and other adverse symptoms. Lemon yellow

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lemon yellow, also known as tartar yellow, is often used in food, beverage, medicine, cosmetics, feed, tobacco, toys, food packaging materials, and also used for wool, silk dyeing.

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hazards: for example, taking foods containing lemon yellow for a long time can cause anxiety, migraine, depression, blurred vision, asthma, itching, weakness of limbs, urticaria, asphyxia and other symptoms.

6. New red

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the new red is red powder and soluble in water. It is commonly used in beverage, confection wine, candy, plum, hawthorn products and other food coloring.

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hazards: if the food containing new red is taken for a long time, it may have adverse effects on gastrointestinal tract and fertility. Indigo

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7. Indigo

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Indigo, also known as food blue No.1, is a blue powder, which is commonly used in food, medicine and printing and dyeing industry. It is often used in pickled vegetables, juice (flavor) drinks, carbonated drinks and so on. The harm of

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: for example, taking food containing indigo for a long time can cause gastrointestinal irritation, nausea, vomiting and diarrhea.

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8. Bright blue

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bright blue, also known as edible blue No.

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hazards: long term use of food containing bright blue can lead to diarrhea, sudden (gene mutation) or carcinogenicity.

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