How will eat areca react?

The first time I went to eat areca, I felt uncomfortable. I feel that my body can't breathe and I feel chest tightness. When chewing betel nut becomes a habit, it becomes a necessity for many people to refresh their minds. The pleasure of chewing betel nut will make people dependent and can't stop.

Areca catechu contains a substance called arecoline, which is its main pharmacological component and is widely used in clinic. Arecoline has cholinergic effect, which can be used to treat pupil contraction and intraocular pressure decrease in medicine, and can be used to treat glaucoma. It can also paralyze tapeworms and be used as an insect repellent. In addition, it can increase intestinal peristalsis, shrink bronchi and dilate blood vessels. This may also be the reason why chewing betel nut can make people excited and hot.

Chewing betel nut for a long time will cause fibrous lesions in human oral mucosa, which will cause oral mucosa sclerosis and affect normal function. Not only that, betel nut will produce a substance called nitroso after oral chewing, which is a strong carcinogen. Long-term physical stimulation combined with chemicals (arecoline, nitroso, etc. ) it is easy to cause oral cancer.

The harm caused by betel nut is systemic. For example, the lack of vitamin B 12 and calcium in the body will lead to decreased immunity and be more easily entangled by diseases; Betel nut, for example, will also bring about changes in male sperm vitality and female ovulation health, affecting people's normal reproductive function. Especially for pregnant women, chewing betel nut often may lead to abortion, stillbirth and fetal malformation.

Extended information: betel nut introduction:

1. Areca catechu, an evergreen tree of the genus Areca in Palmae, has an erect stem and a tree shape, with a height of10m and a maximum height of 30m. It is monoecious, with many branched inflorescences, oblong ovaries, oblong or ovoid fruits, oval seeds and a flowering period of March-April.

2. Areca catechu is native to Malaysia, and China is mainly distributed in tropical areas such as Yunnan, Hainan and Taiwan Province. Widely cultivated in tropical Asia. Areca nut is an important Chinese herbal medicine, and some ethnic minorities in the south still use it as a chewing hobby.

Areca nut contains many nutrients and beneficial substances needed by human body. The main components of areca nut are 3 1. 1% phenol, 1.8% polysaccharide, 1.4% fat, 1.8% crude fiber, 9.9% moisture, 3.0% ash and 0.5% alkaloid. Betel nut also contains more than 20 kinds of trace elements, of which 1 1 is an essential trace element for human body.

4. Areca seed contains 0.3%-0.6% of total alkaloids, mainly arecoline, and a small amount of arecoline, norarecoline, isonorarecoline, arecoline and homoarecoline, all of which coexist with tannic acid. There are also dimers, trimers and tetramers of tannin, fat, mannitol, galactose, sucrose, catechin, epicatechin, colorless anthocyanin, areca catechu red pigment, saponin and proanthocyanidins.

5. Fatty acids are lauric acid 19.5%, myristic acid 46.2%, palmitic acid 12.7%, stearic acid10.6%, oleic acid 6.2%, linoleic acid 5.4%, dodecanoic acid 0.3%, tetradecenoic acid 7.2%, and amino acids. Proline accounts for more than 15%. ?

6. The medical community has long suspected that chewing betel nut will cause oral ulcer, gingival degeneration, submucosal fibrosis, and then lead to oral cancer. Medical research has found that chewing betel nut will increase the risk of oral cancer by 8.4-9.9 times. Arecoline and arecoline in areca catechu are potentially carcinogenic, and both flowers and vines of areca catechu contain carcinogens. Experiments on betel nut extract in the United States and Japan have found that it can cause cancer in mice. ?

7.20 1 1 The Chinese Journal of Stomatological Research published a study saying that the incidence of oral cancer is among the highest in countries and regions where betel nut chewing is popular. India is the country with the largest consumption of betel nut in the world, and its incidence of oral cancer ranks first in the world.

8. The second place in the world is Papua New Guinea, and nearly 60% of the residents chew betel nut. Betel nut chewing is also common in Taiwan Province Province of China, with 27.4 cases of oral cancer per 654.38 million+male residents. The medical community has found that betel nut is obviously related to pharyngeal cancer, laryngeal cancer and esophageal cancer.

Reference: Baidu Encyclopedia Betel nut