What are genetically modified foods on the table? How to distinguish GM foods?
1, papaya
It is reported that more than 95% of papayas are sold on the market, which may be beyond the imagination of many people.
Definitions:
What is genetically modified food? It is the use of modern molecular biology technology to transfer the genes of certain organisms to other species, transform the genetic material of organisms, and transform them into people's desired goals in terms of shape, nutritional quality, and consumer quality. Foods that are processed or produced by using genetically modified organisms as direct food or raw materials are "genetically modified foods."
Logo:
According to the Measures for Sanitary Management of Genetically Modified Foods promulgated by the Ministry of Health, if a food product contains genetically modified ingredients, the 'transgenic label' must be marked on the packaging. The law gives consumers the right to know and choice, and the labeling of genetically modified products should be clear to consumers.
Several criteria for judging GM foods:
1, season. In addition to greenhouse vegetables, other off-season foods are easily genetically modified.
2, color. The difference from the traditional is absolutely genetically modified, such as colored cotton, colored peppers.
3, heads. According to tradition, tomatoes also have certain headings. For example, a small tomato that is as big as a thumb is absolutely genetically modified. Another example is soybean, also known as soybean, which is made of bean curd and soy beans. The shape should be like the animal's internal organs: the shape of the waist is a bit flat, but now the soybeans are all round and large, like peas. Soybeans, which have high yields, are genetically modified.
4, taste. Traditional corn is generally yellow corn, white corn, slightly sweet, and now popular sweet corn, its sweetness is very high, is undoubtedly genetically modified.
5, pests. All crops that the pests like to patronize are genetically non-transgenic, and all crops that are afraid of pests, that is, have no pests, or few pests, are genetically modified.
6, production. In the first few years, GM crops generally have higher yields than traditional crops.
2. Soy beans and soy products (including soybean oil)
Non-genetically modified soybeans:
It is elliptical in shape and somewhat flat. The navel is light brown. Beans vary in size. The milk soaked out is milky white
GM soy:
Round, round. The navel is yellow or tan. The size of beans is almost the same. The soymilk is a bit yellow, and the tofu made with this bean is a bit yellow.
Simple test method:
GM soybeans do not germinate and can be detected with water. Native soybeans will germinate in water for three days. The genetically modified soybeans will not germinate, but only the individual will swell.
3. Carrot
Non-transgenic carrots: The surface is uneven and generally not straight, from head to tail from coarse to fine. And the head is protruding outwards.
Genetically modified carrots: The surface is relatively smooth, generally straight, and its tail is sometimes thicker than the middle. And the head is concave inwards.
Note: Carrots are only available in autumn and winter seasons, and summers are generally genetically modified.
4, potatoes
Non-GM potatoes: The appearance is rather ugly. Generally, the color is relatively deep, the surface is pitted, and the skin color is irregular. After peeling, the surface will darken quickly and the skin is white.
GM potatoes: The surface is smooth, the pits are shallow, and the colors are light. After peeling, the surface did not change significantly.
Test method: Peel the skin first and then see the changes before deciding not to eat.
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