VITAMIN-A IN THE LIVERS OF SOME FARM ANIMALS 133
TABLE II
Relation between concentration of the liver and the blue units
|
Weight in |
Rabbit A |
Rabbit B |
Rabbit C |
|||
|
Tinto- |
Blue |
Tinto- |
Blue |
Tinto- |
Blue |
|
|
50 . . |
3.2 |
160 |
2.6 |
130 |
3.7 |
185 |
|
100 . . |
6.0 |
150 |
4.8 |
120 |
6.2 |
155 |
|
200 . . |
9.3 |
116 |
8.8 |
110 |
11.6 |
145 |
|
300 . . |
11.3 |
95 |
10.8 |
90 |
13.5 |
113 |
|
400 . . |
12.8 |
80 |
12.2 |
76 |
14.9 |
93 |
|
500 . . |
14.2 |
71 |
13.3 |
66 |
16.3 |
82 |
TABLE III
Relation between concentration of the liver and the blue units
|
Specimen |
Weight in |
Tintometric |
Blue units |
|
Healthy Bull . . . . . |
10 |
2.0 |
500 |
|
20 |
3.5 |
438 |
|
|
30 |
4.5 |
375 |
|
|
40 |
5.8 |
362 |
|
|
50 |
7.2 |
360 |
|
|
100 |
11.0 |
275 |
|
|
200 |
13.8 |
173 |
|
|
300 |
16.0 |
133 |
|
|
400 |
17.6 |
110 |
|
|
Goat affected with rinderpest . . |
20 |
4.7 |
591 |
|
40 |
7.2 |
450 |
|
|
60 |
9.4 |
390 |
|
|
80 |
11.2 |
350 |
|
|
100 |
13.3 |
333 |
It will be observed that in none of these cases is the relation between the con-
centration of liver and the tintometric readings linear, although the unsaponifiable
fraction has been used in the test. [Compare Norris and Church, 1930]. For
obvious reasons, tests could not be carried out at very low dilutions. Our results
are in general agreement with those available in the literature. [Cf. Chakravorty,
Mukherjee and Guha, 1933 ; Datta and Banerjee, 1934, on fish oils]. From these