singapore nutrient-rich sipunculus nudus extract drying ...
A process for the production of an azadirachtin rich aqueous solution or azadirachtin powder. The process includes the steps of: (i) de-oiling ground or otherwise comminuted neem seeds (11) in a press (12) to remove a first proportion of the oil content thereof; (ii) extracting the de-oiled neem seeds (14) with a polar organic solvent such as ...
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