Abstract
The main impediment in utilizing the de-oiled meal of castor bean (Ricinus communis L.) as animal feed is the presence of two toxic proteins, ricin (also known as RCA II and RCA60) and RCA (R. communis agglutinin, otherwise known as RCA I and RCA120) found in the endosperm of mature seeds. Their presence compromises with the high protein content (around 25% with balanced amino acid composition) in the leftover oilcake which otherwise could find use as an excellent animal feed. This review is an attempt at providing insights into the biology and biogenesis of ricin and RCA and various approaches for reducing or eliminating ricin and RCA in this oil crop.
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The financial assistance provided by the Department of Science and Technology, Government of India, in the form of research grant (SR/SO/BB-58/2005/DST) for the work which was carried out at the Indian Institute of Oilseeds Research (Formerly Directorate of Oilseeds Research), Hyderabad, India, is duly acknowledged. Authors also acknowledge the support extended by the Director, ICAR-IIOR, during the course of investigation and preparation of the manuscript.
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Ashraf Ashfaq, M., Soma Sekhar Reddy, P., Anil Kumar, C., Selvaraj, V.M., Dinesh Kumar, V. (2018). Ricin and RCA—The Enemies Within Castor (Ricinus communis L.): A Perspective on Their Biogenesis, Mechanism of Action, Detection Methods and Detoxification Strategies. In: Kole, C., Rabinowicz, P. (eds) The Castor Bean Genome. Compendium of Plant Genomes. Springer, Cham. https://doi.org/10.1007/978-3-319-97280-0_12
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