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Why are cashews more expensive than other dried fruits? Is there any special nutrition and function?
Cashew kernel is a valuable dried fruit and high-grade dish, with protein content of 2 1%, oil content of 40% and high contents of various vitamins. In international trade, every ton of cashew kernel is worth more than 5,000 US dollars, which is worthy of being one of the "four dried fruits" in the world. The oil content of cashew nut shell reaches 1 1%, and cashew nut oil can be polymerized to produce synthetic rubber. Using cashew nut oil to paint furniture can resist high temperature. It is reported that the space shuttle in the United States uses scientifically processed cashew nut oil as the protective coating of the fuselage.

It is one of the four famous dried fruits (walnuts, almonds and hazelnuts) in the world today. It is named after the fruit looks like a kidney (commonly known as "kidney").

Chinese medicine believes that cashew nuts are sweet, flat and non-toxic. It can treat cough, upset and thirst. "Materia Medica Addendum" says: cashew kernel "governs thirst, moistens lungs, removes annoyance and removes phlegm. "Haiyao Materia Medica" also says: "The main symptoms are irritability, stuffy heart, phlegm, typhoid fever, and cough against the upper qi. 」

Because cashew nuts are delicious and have a certain dietotherapy effect, they are quite popular and like to eat. But eating too much often leads to some allergic symptoms, such as abdominal pain, nausea, edema of lips and eyelids, itchy throat, itchy eyes, ears and nose, sneezing, runny nose, dizziness and palpitation; In severe cases, children have a wind mass all over the body, and adults have anaphylactic shock; The most dangerous thing is respiratory edema. If the larynx is edematous, it can cause wheezing and suffocation, and failure to rescue can lead to death. Especially for people with original bronchial asthma, the condition will be worse. During the asthma attack, the bronchial sensitivity to irritants increases. Some components in cashew nuts can cause type I allergic reaction in asthma patients, and then a series of clinical allergic symptoms appear.

Medical experts pointed out that protein contained in cashew nuts can be an allergen for people with allergies, while people with cashew nut allergy symptoms generally have a history of other food allergies. Therefore, not only patients with asthma should be careful to eat cashews, but people who are allergic to fish, shrimp and other foods are also likely to be allergic to cashews, and it is better to eat less.

There are other sayings.

Eating two cashews is equivalent to an egg.

Do you think it's not expensive?