Konjac is a temple offering in Kamakura era in Japan, and it is also used in the intensive cooking of monks. It has always been a high-grade product, and it did not become a civilian food until the Edo era. Japanese people regard konjac as a treasure for health, and it is widely used in cooking, even eating konjac two or three times a week.

So konjac is also called "Japanese tofu", which is probably why many people think that konjac comes from Japan.

Amorphophallus konjac, commonly known as Amorphophallus konjac, belongs to Araceae, and its chemical name is "mannan", also known as Leigong stick (spear) and Amorphophallus konjac. Its bulb is shaped like a potato, and its section is as white as a potato. At the same time, konjac and taro belong to the same family and genus, and their properties are similar, which just brings the relationship between konjac and taro closer. Therefore, konjac is a kind of plant similar to taro and potato, which mainly eats underground stems, but the difference is that konjac bulbs are toxic and cannot be eaten raw, so they must be processed.

In addition, Amorphophallus konjac is commonly known as "Leigong Gun" among the people for a reason, because it will quickly rush out of the ground after the spring thunder and be described as "Leigong Gun".

Amorphophallus konjac is actually a plant, and most people think that it is a product made of seaweed similar to jelly and gelatin. There is a konjac trail in Shilin Field in the Middle East of Taiwan, which guides tourists to appreciate the konjac originated in Taiwan Province Province. Amorphophallus konjac is a kind of plant with female and male plants growing separately. Female plants are more ornamental, while male plants only have long leaves and do not bloom. The juice of female Amorphophallus konjac is poisonous and cannot be picked. If it comes into contact with the skin, it will cause redness and swelling, and it needs to be washed with water as soon as possible.

In the book Poisonous Plants in China, Amorphophallus konjac is described as: "The whole plant is poisonous, and the tuber is more poisonous. Fresh stems have a pungent taste, which can cause burning sensation, itching and swelling of the tongue and throat when swallowed. Long-term inhalation of tuber dust can cause bronchial asthma.

After the tuber was treated with lime water, it was made into konjac tofu, but the residue was still toxic. So konjac can't be eaten without treatment, but in the eyes of Chinese medicine, it can be used as medicine. In Chinese mainland and Japan, it is said that konjac can treat all kinds of cancers.

It is because konjac glucomannan can interfere with cell metabolism and improve brain tumors and cancers, such as nasopharyngeal carcinoma, thyroid cancer, lymphosarcoma, breast cancer, cardiac cancer and rectal cancer. But it is not medicinal, so it can improve the condition but can't cure it. It must be remembered that it can't be eaten raw.

Amorphophallus konjac, also known as Amorphophallus konjac, commonly known as Leigong stick, China ancient Amorphophallus konjac, Japanese Amorphophallus konjac, Araceae, perennial tuber herb. Originated in India, Ceylon and Malay Peninsula, it has been planted in southwest China for many years and has been one of the herbs in ancient books in China since ancient times. Mass production in recent years, especially in Sichuan, Yunnan, Guizhou and other places. Puli, Yuchi and Taitung in Taiwan Province Province are also produced.

Supplementary explanation:

From the data point of view, there is no difference between the two ~ ~, reference: zh. *** /w/index？ Title =% E8% 92% 9F% E8% 92% BB& variant =zh-,