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  • Title: [Methods of eliminating alkaloids from the seeds of Lupinus mutabilis Sweet].
    Author: Torres Tello F, Nagata A, Dreifuss Spiegel W.
    Journal: Arch Latinoam Nutr; 1980 Jun; 30(2):200-9. PubMed ID: 7212919.
    Abstract:
    The basic purpose of this work was to find a simple and economic method to control and eliminate the presence of alkaloids, as detected by organoleptic or toxicity tests, in Lupinus mutabilis, S. (tarhui) seeds. Taking advantage of the physical and chemical properties of the seeds, they were subjected to four methods of extraction; b) chemical treatment; c) extraction with two solvents, and d) treatment with a modified water-heat process. The results indicated that the most adequate method was the water-heat modified treatment, which showed a yield of 85% and a debittering efficiency of 98.6%, figures which were above those obtained with any of the other treatments studied. The final product had a bland taste without traces of bitterness and a 32% concentration of protein in the kayra line. Amino acid content showed this product to have an unusual high lysine content.
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