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vol.9 issue1MACROSCOPIC AND MICROSCOPIC CHARACTERISTICS OF GUAYACÁNTECHNICAL EVALUATION OF THE DURABILITY OF STICKERS IN THE KILN DRYING PROCESS OF PINUS RADIATA D. DON author indexsubject indexarticles search
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Maderas. Ciencia y tecnología

On-line version ISSN 0718-221X

Abstract

POBLETE, Hernán; ROFFAEL, Edmone  and  MIERTZSCH, Helmut. EFFECT OF CHILEAN BARK EXTRACTS ON BACTERIAL LUMINESCENCE. Maderas, Cienc. tecnol. [online]. 2007, vol.9, n.1, pp.79-84. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2007000100007.

Bioluminescence decrease of bacteria as a biological activity indicator for bark water extracts was determinate. Four Chilean barks were tested. A different reduction on bioluminescence depending on bark species was observed. Increasing time of thermal treatment of bark (24, 48, 72 and 144 hours with 103ºC) produced a reduction of the biological activity of extracts. The study indicates that the terpenes could be responsible for the described effect

Keywords : Bacterial bioluminescence; bark extracts; Chilean barks.

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