Assertion: azadirachtin | /r/HasProperty | 8.7 g. 90% purity
Facets:
Source sentences:
text: , 2 , 878, 1979) have isolated azadirachin (2 kg. batches, 90% purity, 8.7 g.) from neem seeds/kernels (48.2 kg.) involving the following steps (1), grinding neem seeds/kernels (2 kg. batches) in hexane in a Waring blender, filtration of the homogenate to give a residue (marc); (2), soxhlet extraction of powdered marc (1.1 kg. batches) with acetone (24 h.); (3), washing of acetone extract with (a) hexane, (b), water and (c), hexane; (4), treatment of washed acetone extract with 70/30, 75/25, methanol/water; (5), treatment of 70/30, 75/25 methanol/water soluble parts with 75/25, diethylether/acetone to give 75/25, diethylether/acetone soluble azadirachtin containing fractions (102.8 g.); (7), chromatography (Phase-bonded C-18, Hi-florisil) of diethylether/acetone fractions leading to azadirachtin (8.7 g. 90% purity).
text: , 2 , 878, 1979) have isolated azadirachin (2 kg. batches, 90% purity, 8.7 g.) from neem seeds/kernels (48.2 kg.) involving the following steps (1), grinding neem seeds/kernels (2 kg. batches) in hexane in a Waring blender, filtration of the homogenate to give a residue (marc); (2), soxhlet extraction of powdered marc (1.1 kg. batches) with acetone (24 h.); (3), washing of acetone extract with (a) hexane, (b), water and (c), hexane; (4), treatment of washed acetone extract with 70/30, 75/25, methanol/water; (5), treatment of 70/30, 75/25 methanol/water soluble parts with 75/25, diethylether/acetone to give 75/25, diethylether/acetone soluble azadirachtin containing fractions (102.8 g.); (7), chromatography (Phase-bonded C-18, Hi-florisil) of diethylether/acetone fractions leading to azadirachtin (8.7 g. 90% purity).
text: , 2, 878, 1979) have isolated azadirachin (2 kg. batches, 90% purity, 8.7 g.) from neem seeds/kernels (48.2 kg.) involving the following steps (1), grinding neem seeds/kernels (2 kg. batches) in hexane in a Waring blender, filtration of the homogenate to give a residue (marc); (2), soxhlet extraction of powdered marc (1.1 kg. batches) with acetone (24 h.); (3), washing of acetone extract with (a) hexane, (b), water and (c), hexane; (4), treatment of washed acetone extract with 70/30, 75/25, methanol/water; (5), treatment of 70/30, 75/25 methanol/water soluble parts with 75/25, diethylether/acetone to give 75/25, diethylether/acetone soluble azadirachtin containing fractions (102.8 g.); (7), chromatography (Phase-bonded C-18, Hi-florisil) of diethylether/acetone fractions leading to azadirachtin (8.7 g. 90% purity).