Biochemical evaluation of protein fractions from physic nut (Jatropha curcas L.)

Authors

  • L. Peralta-Flores CEPROBI-IPN
  • S. Gallegos-Tintoré CEPROBI-IPN
  • J. Solorza-Feria CEPROBI-IPN
  • G. Dávila-Ortíz Departamento de Graduados e Investigación en Alimentos de la Escuela Nacional de Ciencias Biológicas (IPN)
  • L. Chel-Guerrero Facultad de Ingeniería Química, Universidad Autónoma de Yucatán
  • A. Martínez-Ayala CEPROBI-IPN

DOI:

https://doi.org/10.3989/gya.072511

Keywords:

Albumins, Globulins, Glutelins, Jatropha curcas L., Prolamins, Storage proteins

Abstract


J. curcas seed proteins were fractioned according to the Osborne method and some biochemical properties were determined for these fractions. Glutelins (378 g kg–1 protein) and globulins (201 g kg–1 protein) were the main components. Albumins and prolamins were the minor components. Protein digestibility was highest in glutelins and globulins with values of 81 and 80% respectively. Electrophoresis analysis showed that globulins and glutelins exhibited similar polypeptide profiles. Electrophoresis patterns suggested that there could be a structural relationship among 2S, 7S and 11S storage proteins from plant sources. According to the FAO⁄WHO reference, the protein fractions had acceptable levels of most of the essential amino acids, but its globulins and glutelins were low in lysine and tryptophan.

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References

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Published

2012-09-30

How to Cite

1.
Peralta-Flores L, Gallegos-Tintoré S, Solorza-Feria J, Dávila-Ortíz G, Chel-Guerrero L, Martínez-Ayala A. Biochemical evaluation of protein fractions from physic nut (Jatropha curcas L.). Grasas aceites [Internet]. 2012Sep.30 [cited 2024Apr.20];63(3):253-9. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1376

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