Many people know that almonds have a certain medicinal value and are beneficial to human health. But in a certain Gongdou drama, there was once a scene where the characters in the drama took a lot of bitter almonds to commit suicide. Are bitter almonds really poisonous?
The answer is yes. According to the "Hohhot Evening News", the toxicity of bitter almonds comes from the hydrocyanic acid released by the hydrolysis of amygdalin (cyanogenic glycoside). The "almond-flavored poison" that appears in some movies and TV shows is also hydrogen cyanide. acid. It can affect the nervous system and can even lead to death in severe cases.
According to "Qilu Evening News", cyanide is a general term for a class of compounds containing cyano groups. These daunting poisons are by no means the creation of chemists. They are widespread in nature, especially in the biological world. Cyanide can be produced by certain bacteria, fungi or algae and is found in many plants and foods. In daily life, apples, cherries, apricots, etc. all contain trace amounts of cyanide, which are usually combined with sugar molecules and exist in the form of cyanogenic glycosides. Of course, the cyanogenic glycosides in the fruit core are not harmful. The real harm lies in the highly toxic hydrocyanic acid (HCN) that is hydrolyzed under the action of acid or biological enzymes, which can cause human and animal poisoning.
Therefore, in the report of the World Wide Web, the French National Health and Safety Agency (ANSES) recommended that adults should not consume more than three bitter almonds a day, and children should not consume more than half. Excessive consumption of bitter almonds may cause symptoms of acute poisoning in the body, such as convulsions, breathing disorders, slowed heart rate, loss of consciousness and coma. So far, health agencies have not received reports of the above serious symptoms, but pharmacovigilance agencies have received reports of milder symptoms of poisoning, such as dizziness, headache, heart palpitations, physical discomfort, indigestion, and shortness of breath. These symptoms are mainly caused by eating bitter almonds.
In addition to controlling the amount of food, we should also do some treatment before eating bitter almonds to avoid poisoning. Ma Jun, a nutritionist at the Second Hospital of Changshu, said in an interview with the Yangtze Evening News that because hydrocyanic acid volatilizes when exposed to heat, when eating bitter almonds, you must first soak them in water several times and heat them to boil. Even eliminate the toxic substances in it. At the same time, it must be peeled and tipped (germ). In addition, pregnant women, young children, people with damp-heat constitution and diabetic patients should not eat apricots and their products.
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