Konjac also known as konjak, konjaku, devil's tongue, voodoo lily, snake palm, or elephant yam (though this name is also used for A. paeoniifolius), is a plant of the genus Amorphophallus. It is native to warm subtropical to tropical eastern Asia, from Japan and China south to Indonesia.
Food features: It is a perennial plant, growing from a large corm up to 25 cm in diameter. The single leaf is up to 1.3 m across, bipinnate, and divided into numerous leaflets. The flowers are produced on a spathe enclosed by a dark purple spadix up to 55 cm long.
Place of origin: Mainly in the Old World tropics, subtropics, one of China as the country of origin, Sichuan, Hubei, Yunnan, Guizhou, Shaanxi, Guangdong, Guangxi and Taiwan Province are distributed in mountain areas.
Nutrition: Konjac is very rich in nutrients, containing 35% starch, protein 3%, and a variety of vitamins and potassium, phosphorus, selenium and other minerals, also contains a polysaccharide konjac human needs, that grape more than 45% mannan, and has low-calorie, low fat and high fiber characteristics.
Dietotherapy function: Konjac and warm, acrid, poisonous; to blood circulation, detoxification, swelling, wide intestinal catharsis, Huatanruanjianpian; attending M. scrofulaceum sputum nuclear, injury bruising, constipation, abdominal pain, sore throat, gums, throat, etc. In addition, konjac also has calcium, balanced salt, cleaning the stomach, intestines, toxins and so on. Amorphophallus konjac, also known as its main component is glucomannan, a substance is soluble polysaccharides, the effect from the nutrition perspective, is an ideal soluble dietary fiber, low heat.