Simultaneous Extraction and Separation of Oil and Azadirachtin from Seeds and Leaves ofAzadirachta indicausing Binary Solvent Extraction | Zendy

Sheela Subramanian | Zendy; Aiza Syuhaniz Salleh | Zendy; Robert Thomas Bachmann | Zendy; Md. Sohrab Hossain | Zendy

Open Access

Simultaneous Extraction and Separation of Oil and Azadirachtin from Seeds and Leaves ofAzadirachta indicausing Binary Solvent Extraction

Author(s) -

Sheela Subramanian,

Aiza Syuhaniz Salleh,

Robert Thomas Bachmann,

Md. Sohrab Hossain

Publication year - 2019

Publication title -

natural product sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.322

H-Index - 25

eISSN - 2288-9027

pISSN - 1226-3907

DOI - 10.20307/nps.2019.25.2.150

Subject(s) - azadirachtin , azadirachta , extraction (chemistry) , defatting , hexane , chromatography , solvent , chemistry , meliaceae , yield (engineering) , botany , organic chemistry , biology , pesticide , agronomy , materials science , metallurgy

− Conventional extraction of oil and azadirachtin, a botanical insecticide, from Azadirachta indica involves defatting the seeds and leaves using hexane followed by azadirachtin extraction with a polar solvent. In order to simplify the process while maintaining the yield we explored a binary extraction approach using Soxhlet extraction device and hexane and ethanol as non-polar and polar solvents at various ratios and extraction times. The highest oil and azadirachtin yields were obtained at 6 h extraction time using a 50:50 solvent mixture for both neem leaves (44.7 wt%, 720 mgAza/kgleaves) and seeds (53.5 wt%, 1045 mgAza/kgseeds), respectively.

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