Aciion of Jalap. 
What is known of the action of jalap on the liver has been already referred 
to under colocynth. The maximum dose of jalap powder for a man is 30 grains. 
PROFESSOR RUTHERFORD ON THE 
2 Experiment 41. 
I Secretion Secretion 
Secretion of bile per Secretion of bile per 
15 of bile per | kilogramme || of bile per | kilogramme 
De of dog : per By, of dog : per 
hour. | hour. 
1 ce. | ce. 
ileal 1°6 
11 15 
1:0 1°65 
on 1°0 1:4 } 
5 ——= 18 
0°95 19 
1°0 1°9 
1°05 0°16 ce, 1°8 of 
( 1-0 1:9 0°296 ce. 
—— 1'8 
1°0 1°6 
Fig. 41.—Secretion of bile before and after jalap. 2°5 cc. | ileal 1:2 
bile and 2°5 ce. water injected into the duodenum at 0. 115 14 
30 grains of jalap powder in the same fluid injected | ee 11 
at j. 1°45 
| 
Experiment 41. Dog that had fasted seventeen hours. Weight 25 kilo- 
grammes (fig. 41).—2°5 cc. bile and 2°5 cc. water injected into the duodenum 
at 6. 30 grains of jalap powder in the same fluid injected at /. 
TABLE XXIII. 
Secretion of Bile per Kilo- 
gramme of Bocewelens 
Shang A baaaa per hour. 
Jalap. Total Dose in Grains. | eae Boiy woe aE ~ : 
Before. After. 
i= = = ae = 
| Experiment 41, 30 with bile, 1:2 0:16 ec. | 0:20 5m 
, 42, 40 . su 0°17 ce. 0°35 ce. 
TABLE XXIV.—Composition of the Bile before and after Jalap. 
| Experiment 41. Before. After. 
Water, ‘ ; : , 89°31 89°75 
Bile-acids, pigments, cholesterin, fats, . 8:41 8°05 
Mucus, 0:93 0°87 
Ash, 1:35 1:33 
‘ " 100-00 | 100-00 
| Velocity of secretion per half-hour, : 2d oC." | 37 CC. . 
