The crossword solutions for the term 'CASTOR BEAN PROTEIN' are RICIN (5 letters), SOY (3 letters), SOYA (4 letters), OILSEED (7 letters), HAT (3 letters), and LEDA (4 letters). Ricin is a toxic protein found in castor beans, while SOY and soya are both plant-based proteins derived from the soybean. Oilseed is a broad term used to describe any type of seed that can be used to produce oil, such as castor beans. HAT is an acronym for 'hydroxyamidotriazole triacetate, ' a compound used to increase the production of ricin in castor beans. Finally, Leda is a genus of flowering plants that includes the castor bean plant.