Do not eat the five food fresh

Fresh is good? Not necessarily Oh! This kind of life out of the experience accumulated, sometimes you might even harm! Stubborn to abandon the concept of science is to see how to say the bar!

1, fresh jellyfish

Fresh water jellyfish more than body thicker skin, but also contain toxins. Only add salt, alum salts (commonly known as alum 3) wash twice, so that fresh jellyfish dehydrated twice in order for toxins to do with water row. 2 alum jellyfish pale red or pale yellow, thickness uniformity and there is toughness, forced hard we squeeze the water, the jellyfish before consumption. Jellyfish origin people to travel, will face selling is not treated or only treated by 1-2 times salted jellyfish, do not to taste or buy.

2, fresh lily

Also known as day lily flowers, fresh raw materials containing colchicine. Colchicine itself is non-toxic, but the food will be oxidized in the body after the big three of colchicine toxicity. Experimental results show that, as long as 3 mg of colchicine to eat enough to make people nausea, vomiting, headache, abdominal pain. If the amount of eating more, there may be hematuria or blood in the stool, 20 mg can cause deaths. Dried lily is processed by cooking, colchicine would be dissolved and therefore I non-toxic.

3, fresh fungus

Which contains something called a sense of porphyrin light substances consumed if they are sun can cause skin itching, swelling, severe can cause skin necrosis. If the swelling in the throat mucosa, there will be difficulty in breathing. Dried fungus treatment is finished by the exposure in the exposure process will break down most of the porphyrin, while immersed in water before eating again by, containing the remaining toxins will be dissolved in water, so that the water issued by the fungus non-toxic.

4, fresh pickles

Fresh vegetables contain a certain amount of non-toxic nitrate, in the salted process, it will be reduced to toxic nitrite. Under normal circumstances, salted at 4 hours after the start of nitrite significantly increased 14-20 days to reach the peak, after which they declined. So, either eat the sharp A Xiancai within 4 hours. Otherwise, Yichi preserved more than 30 days. Nitrite can cause hypoxic symptoms such as facial bruising, but also with food in the secondary amine with the formation of carcinogenic nitrosamines.

5, Bottled Water

On the market of bottled water, whether distilled water, mineral water and other pure water, in the majority of use of ozone pre-loaded barrel to do the final disinfection treatment, so just filling a good bottled water will be high concentration of ozone. People in terms of ozone is a toxic substance, if you take advantage of fresh bottled water to drink, no doubt will poison ingestion. Bottled water, if such place 1-2 days, the ozone will naturally disappear. According to regulations, the production of bottled water must have passed the test only after the factory, and this process would take 48 hours. Manufactured according to standardized tests which bottled water is safe.