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Bosque (Valdivia)

versión On-line ISSN 0717-9200

Resumen

LATSAGUE VIDAL, Mirtha  y  SAEZ DELGADO, Patricia. Fractioning and soluble Protein free Phenols recovery from lenga (Nothofagus pumilio) cuttings . Bosque (Valdivia) [online]. 2006, vol.27, n.3, pp.263-266. ISSN 0717-9200.  http://dx.doi.org/10.4067/S0717-92002006000300006.

At present, there is no information about Nothofagus fractioning and protein recovery from cutting crude extracts; necessary condition to, in vitro, demonstrate enzymatic activity with cofactors presence. Besides, this information is crucial to determine enzymatic expression levels, which in turn could allow to know physiological aspects of lenga (Nothofagus pumilio), cuttings which could be conditioning the poor results obtained in rooting treatments. To obtain information about what was pointed out above, a protocol which not only allows to separate phenol free proteins from crude extracts of lenga cuttings, but to determine its composition as well, was validated and standardized. From each of the 60 samples, 36 fractions were analyzed, obtaining, repetitively, phenol free proteins from fraction 14 on. The results obtained were statistically validated and show that the method employed allows to fractionate and to recover phenol free proteins from lenga cuttings through a Sephadex G-50 column (P < 0.05).

Palabras clave : Nothofagus pumilio; cuttings; chromatography; soluble proteins.

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