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Isolation and Characterization of a Pigment from Tribolium confusum Duval

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F.V. Patil

Résumé du colloque

Devi, Lemonde and Sarkar on the basis of their work in this laboratory on the variations of nucleic acids and total nucleotide contents in Tribolium confusum Duval, in the course of development and growth, suggested the presence of a polyphenolic compound or compounds in pupae and adult insects and responsible for pigmentation of the skin of the adult insect. In order to identify the compound chemically it was extracted with water from adult insects. From chemical analysis it appeared that the lyophilized material contained aromatic compounds with free hydroxyl groups in the ring and from chromatographic analysis it was concluded that the compound appeared to be either dopa or a polyphenolic compound and not tyrosin. When the compound was eluted and rechromatogramed, it gave the same Rf value as that of catechol.

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host icon Hôte : Université de Montréal

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