ACTIVITY OF BETA-N-ACETYLHEXOSAMINIDASE IN MEMBRANES AND CHICKEN EMBRYONIC FLUIDS

R. Józefczyk, B. Droba, M. Droba

The enzymatic activity of b-N-acetylhexosaminidase during the chick embryonic development of Leghorn H-22 obtained from the flock in Chorzelów measured in shell membranes and chorioallantoic membrane is high (20–60 mU/mg of protein), lower in allantoic fluid (0,2–14,2 mU/mg of protein) and amniotic fluid (0,3–3,2 mU/mg of protein) and the lowest in albumen (0,01–0,15 mU/mg of protein). The measured activity of the enzyme grows along with the age of the embryo, excluding shell membranes. It is assumed, that the activity of the enzyme connected with the protective function may be also valid during the embryonic development.

Key words: HEXOSAMINIDASE, SHELL MEMBRANE, EXTRAEMBRYONIC MEMBRANE, DEVELOPMENT, CHICK EMBRYO

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