Carotene and Vitamin A Metabolism of College Women on Self-Selected Diets Page: 12
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Carotene comprised from 8 to 86 per oeat of the total
daily vitamin A Intake in periods I, II, an# IV. Only $
girls, L.O.W*, and M.J.C., in period III participated
in the stagy* Two of theae subjects ate two meals outside
of the hows#, bat since both girls at# the same foods the
analyses were made together. The two meals eaten by the
girl remaining at the house ware also determined together*
Since it was found that determinations made on one composite
sample for the § day period agread within 10 per cent of the
total daily determinations, the reaaindar of the meals fay
that period were macerated and all analyses mad# on one
composite sample* The food in. periods V and was treated
in the aaae way* Consequently, no daily values are shown
fey periods IH, V, and YI. The average par cent of carotene
in the total vitamin A for M.Q.+N.. and for l.D.w. and M.y.C.
for period IK was 26 per cent for the former and 2? fay the
latter two. The average per eent of total vitamin A as
carotene for periods V and VI was 41 and 28 per cent,
respectively. For all periods the average carotene com-
position of the diet was S7 per cent of the total vitamin A,
Tha total vitamin A (earetana plus vitamin A) oontent
of thesa diets may be compared with those of Lesher #t al.
.3L^
(1947?. The total estimated vitamin A eentent of the
^arjorie Lashar, James Brody, Harold Williams, and Ioie
G, Macy, '"Metabolism of Women During the Reproductive Cycle*
X* The Utilization of Vitamin A During Lactation", journal
of American Dietetic Association. XXIII (1947), 211-3171!
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Kelsay, June. Carotene and Vitamin A Metabolism of College Women on Self-Selected Diets, thesis, 1947; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc75552/m1/16/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .