Page:Indian Medicinal Plants (Text Part 1).djvu/561

 N. 0. LEGUMINOS^S.

481

at 25°C was 0*9008, optical rotation in 100 tntn. tube 8°18'. It gave the follow- ing fractions on being distilled in an ordinary flask.

Fractions by volume.

... About 4 drops.


 * !, 5 Per cent.

... 7

... 70 „

... 15 „

3 „

The iodine value (Hubl. 18 hours) was 232-67. The constants of the oleoresin and the resin left behind after distillation are as follows :—

The preliminary composition of the Hardwichia pinnata oleoresin is : —

Up to 200°C 240°C 240-245°C 245— 250°C 250— 255°C Above 255°C It had no acid value

Oil per cent.

Resin per cent.

Moisture per cent. (by difference).

34-55

62-80

2-65

Its constants are :—

Sp. Gr., at 24°0 Acid number Saponification number... Ester number Iodine (Hubl. 18 hours)

The resin which forms about 6i gave the following constants :— Sp. Gr., at23°C Acid number Saponification number... Ester number Iodine value (Hubl. 18 hours)

Per cent.

1019

72-94

231*50

158-56

159-15

per cent, of the sample under referenc

1-098 144-27 306-60 162-33

88-01

cannot be sub-

The oil, as reported by the Imperial Institute, London stituted for copaiba oil. The enquiry as to the uses of the oil and the rosin has so far given negative results.

Annual Report of the Board of Scientific Advice for India for the year 1914-15, p, 16.

429 Saraca indica, Linn., H.F.B.I., n. 271. Syn. : — Jonesia Asoka, Roxh. 312. Sans. : — Asoka.

Vern.:— Asok (H. & B.) ; Aseka (Cuttack) ; Ashunkar

(Kan.) ; Jassoondi, asoka (Bomb.). 61