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Castor Bean is the seed of euphorbiaceous Ricinus communis. The plant form is annual plant or perennial evergreen shrub herbage, with the height of 2-5cm.The stem is green or purple, with whiting. Castor seeds component contents are 48-50%,carbohydrate oil 13%, protein 18%, cellulose 12.5%,non-nitrogen compounds 23% and ash 2.5%.
