Cajanus cajan is usually stored in bags and kept in a dry and ventilated place, but it can be frozen to extend the shelf life.
Cajanus cajan, also known as cajanus cajan, is an erect and lignified perennial evergreen shrub. Its cultivation originated in India and has a history of more than 6000 years. Up to now, it is the only edible legume crop introduced into China from India, which is traditionally distributed in the provinces south of the Yangtze River. Cajanus cajan is rare in northern China. Because it likes high temperature, it is mainly distributed in areas with high temperature, such as Guangdong, Guangxi, Yunnan and Sichuan. Cajanus cajan originated in India and has strong vitality, so far it can still survive in barren land. It is a very important local food crop with convenient cultivation and high yield, and is highly sought after by local people.