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Optimization and characterization of aqueous enzyme-assisted solvent extraction of apricot kernel oil

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Abstract

Aqueous enzyme-assisted solvent extraction (AE-SE) of oil from apricot (Prunus armeniaca L.) kernel was investigated in this study and the operational parameters were optimized. After preliminary screening, a cocktail of enzymes (Celluclast 1.5 L and Alcalase Pure 2.4 L [60:40, v/v)] of 1% (v/w) was chosen. The extraction process parameters: temperature (40–60 °C), time (1–5 h), and pH (4–9) were optimized using Box–Behnken design to achieve the highest oil yield (%) and antioxidant activity (DPPH, %). Under optimized conditions, i.e., temperature 40 °C, time 2.5 h, and pH 8.28, the highest oil yield and DPPH were 47.93% and 67.31%, respectively. The gas chromatography analysis disclosed that apricot kernel oil extracted by solvent extraction and AE-SE have similar fatty acid compositions, and the oil is rich in unsaturated fatty acids. The physicochemical analysis showed AE-SE method produces high-quality oil and can be substituted as green technology for industrial oil extraction purposes.

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Acknowledgements

The authors would like to extend their sincere appreciation to the National Institute of Food Technology Entrepreneurship and Management-Kundli, Dist Sonepat, State Haryana, India for supporting and providing lab and library facilities to conduct smooth research. The authors sincerely acknowledge Novozymes for their generous donation of enzymes for research purposes.

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Authors and Affiliations

  1. Department of Food Engineering, National Institute of Food Technology Entrepreneurship and Management (NIFTEM), Kundli, Sonepat, Haryana, 131028, India

    Krantidip R. Pawar, Prabhat K. Nema, Rachna Gupta & Harsh Dadhaneeya

  2. School of Biomedical Sciences, Galgotias University, Greater Noida, 203201, India

    Rachna Gupta

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  1. Krantidip R. Pawar
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  2. Prabhat K. Nema
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  3. Rachna Gupta
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Correspondence to Prabhat K. Nema.

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Pawar, K.R., Nema, P.K., Gupta, R. et al. Optimization and characterization of aqueous enzyme-assisted solvent extraction of apricot kernel oil. Food Sci Biotechnol (2024). https://doi.org/10.1007/s10068-024-01553-9

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