A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
99/143, 167/5.3
A01N 65/08 (2009.01) A01N 65/12 (2009.01) A01P 7/04 (2006.01) A23L 1/221 (2006.01) A01N 65/00 (2006.01)
Patent
CA 1278512
ABSTRACT OF THE DISCLOSURE 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°C and 150 to 500 bar; b) removal of sharp tasting fractions therein in a first expansion step at 25 to 35°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°C and 40 to 70 bar; d) removal of essential oils by steam distillation, and if desired; e) hydrogenation of the insecticidally active components.
492418
Biermann Manfred
Goebel Gerd
Mueller Annemarie
Pfeiffer Hans
Schroeder Peter
Borden Ladner Gervais Llp
Henkel Kommanditgesellschaft Auf Aktien
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