1.
Harengula zunasi oil.
Yellowish brown oil was obtained at yield of 6.95% from Harengula (Bleeker), the characteristics of which were as follows :
d154 0.9233,
n20D 1.4758, A.V. 12.3, S.V. 192.4, I.V. (Wijs) 168.1
Unsaponifiables 1.34%.
Solid acids were chiefly composed of C
16 acid with range of C
14-C
22. Liquid acids contained considerable amount of C
18, F
2 acid and were composed of C
12-C
22 acids of F
1, F
2, F
3 and higher unsaturated acids. Unsaponifiable matter, a pale yellow lamina, had mp 129131°C and I.V. 129.4, and existence of considerable amount of cholesterol was recognized.
2.
Saurida oil.
Sauride argeyrophanes (Richardson) contained 0.73% of body oil. The characteristics of the oil and those obtained from the fish organs were as follows :
d154 n20D A.V. S.V. I.V. (Wijs) Unsap. matter Color
Body oil 0.9391 1.4828 19.0 192.2 195.4 4.13 Reddish brown
Entrails 0.9304 1.4875 106.9 159.6 183.5 17.09 Dark brown
Liver 0.9240 1.4790 73.8 182.3 167.5 9.15 Reddish brwon
Solid acids of body oil contained most of C
16-C
18 acids, and C
14 and C
20 acids also existed. Liquid acids were composed of F
1, F
2, F
3 and higher unsaturated acids. Unsaponifiable matter of the oil had the following characteristics :
Yield% I.V. mp (°C) Color reaction with conc. H
2SO
4Body oil 4.18 114.2 124128 Reddish brown (-)
Entrails oil 17.08 116.8 124128 Reddish brown (+)
Liver oil 9.15 128.6 Reddish brown (+)
Cholesterol seemed to be main component of the matter.
3. Half-beak oil.
The oil prepared from
Tylosurus gigantcus (Temminck & Schlegel) had the following characteristics :
Yield%
d154 n20D S.V. I.V. (Wijs) Unsaponifiables %
0.69 0.9235 1.4817 158.0 160.4 12.79
Solid acids contained most of C
16 and C
18 acids, and C
14 and C
20 acids also existed. Liquid acids were composed of F
1, F
2, F
3 and higher unsaturated acids. Unsaponifiable matter had I.V. 116.7 and mp 134.2138.5°C, and cholesterol seemed to be main component.
抄録全体を表示