Sept. 1, 1924 
255 
Vitamin A Content of Fresh Eggs 
Fig. 1.—Vitamin A potency of 0.50 gm. of whole fresh egg. 
curative dose of egg was given daily after the rats had shown 
Beginning at the points marked “x,” the 
unmistakable symptoms of xerophthalmia 
1 
V/T/)M//V 4 fOT£/VCf OF 
0756M. OF FP£S# 560 ~C£/fAT/ME 
% 
o 
vs * 
* 
/ 
f 
L 
A* 
7 
Y 
* 
i 
r 
i/ 
n. 
i 
A 
3 
t / 
» / 
oA 
& 
Xj 
6 O 
. 
COMPOS/T/ON OF O/FT 
GM. 
CASF/N 
STAFCtf /S 
CF/SCO /& 
SALT<§ 5 
/OO 
0.2 GM. MAFM/TF OA/^Y 
AT PO//VT 
X 0.75 
57/ £66 6/l/TA/ M/LY 
Fig. 2. Vitamin A potency of 0.75 gm. of whole fresh egg. Beginning at the points marked “x,” the 
curative dose of egg was given daily after the rats had shown unmistakable symptoms of xerophthalmia 
