Coix lachryma-jobi is a Gramineae, annual or perennial herb. Its stems are upright and stout, with branches, and can grow to 1-2 meters high, and are clustered. Leaves linear-lanceolate, midvein thick. Spikes, white monoecious. The fruit is oval and the size of soybean. The inner core is white and shaped like a little pearl. Guilin has a mild climate and fertile and humid soil, which is especially suitable for the growth of coix seed. The yield of coix seed here is higher than other places, with an average yield of 200-300 kg per mu and a high yield of more than 600 kg.
Coix seed is a good medicinal tonic. According to the analysis of medical department, Coix seed contains protein 16.2%, fat 4.6% and carbohydrate 79.2%. Braised pork feet, ribs and chicken with coix seed in winter is a nourishing food. Cooking porridge with coix seed or making iced drinks with coix seed in summer are all good supplements. The seeds and roots of coix seed can be used as medicine to treat diseases. "Compendium of Materia Medica" records Li Shizhen: Coix seed can "strengthen the spleen and stomach, invigorate the lung and clear heat, dispel wind and overcome dampness". Cooking and air conditioning. In recent years, a lot of scientific research and clinical practice have proved that coix seed is still an anticancer drug. Preliminary identification shows that its cancer inhibition rate can reach more than 35%. No wonder there is a folk song in Guilin that says, "Coix seed is better than Ganoderma lucidum, and its medicinal and nutritional value is high. Eating regularly can prolong life and contribute to rejuvenation. "