Determination of the levels of 17-beta Estradiol and Progesterone in Cow milk and Baby Follow-on milk by ELISA

Ali RIŞVANLI

The current study was undertaken to determine the 17-13 Estradiol (E2) and Progesterone (P4) levels in different milk products and some baby follow-on milk samples collected from retail markets in Turkiye. For this purpose, a total of 50 samples from 8 different product groups with different fat levels, production technologies, and production series were analyzed for natural P4 and E2 levels using a commercial ELISA kit. The highest E2 level was determined in UHT whole milk (3) (39.20 /- 6.73 pmol center dot L-1) while the lowest level was found in buttermilk (26.50 /- 1.85 pmol center dot L-1 ...Daha fazlası