发明名称 |
A PROCESS FOR RECOVERING A PEPPER EXTRACT HAVING INSECTICIDAL ACTIVITY |
摘要 |
PCT No. PCT/EP85/00333 Sec. 371 Date Jul. 24, 1986 Sec. 102(e) Date Jul. 24, 1986 PCT Filed Jul. 6, 1985 PCT Pub. No. WO86/01981 PCT Pub. Date Apr. 10, 1986.An insecticidally active fraction is obtained from black pepper by a process comprising the following steps: (a) extraction of black pepper in ground form with CO2 at 30 to 70 DEG C. and 150 to 500 bar; (b) removal of sharp tasting fractions therein in a first expansion step at 25 to 35 DEG C. and 70 to 150 bar; (c) removal of an oily fraction containing the insecticidally active components as well as most of the essential oils in a second expansion step at 15 to 30 DEG C. and 40 to 70 bar; (d) removal of essential oils by steam distillation, and if desired; (e) hydrogenation of the insecticidally active components. |
申请公布号 |
ZA8507716(B) |
申请公布日期 |
1986.05.28 |
申请号 |
ZA19850007716 |
申请日期 |
1985.10.07 |
申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
HANS PFEIFFER;MANFRED BIERMANN;PETER SCHROEDER;GERD GOEBEL;ANNEMARIE MUELLER |
分类号 |
C07G99/00;A01N65/08;A23L27/10;A61K36/67 |
主分类号 |
C07G99/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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