Bestimmungen von Carotin und Vitamin A im Nabelschnurblut

Chromatographic investigation of the β-carotene content of serum of the newborn infant

“…The variation in the proportion of ,B-carotene near term was small and did not exceed 20 % (see also Tables 4-6 show the relation of the total carotenoids, fl-carotene, lycopene and pigment (2) in serum of mother and infant at parturition. The concentrations of total carotenoids found in cord serum are in agreement with earlier work (Menken, 1934;Gaehtgens, 1937;Willstaedt & With, 1939;Byrn & Eastman, 1943;Lewis, Bodansky & Shapiro, 1943;Hoch, 1943a).…”

“…Chromatographic Investigation of the /B-carotene Content of Serum of the Newborn Infant BY H. HOCH (Freedom Research Scholar), Hale Clinical Laboratory, London Hospitl (Received 22 June 1944) Several workers have shown that the carotenoid level of the blood from the umbilical cord of newborn infants is considerably lower than that of the mother (Menken, 1934;Gaehtgens, 1937;Willstaedt & With, 1939;Byrn & Eastman, 1943;Hoch, 1943 a; Lewis, Bodansky & Shapiro, 1943). On the other hand, the last three of these investigators found that the vitamin A levels are of the same order in both.…”