Abstract
The development of a new crop may be enhanced by the recovery of secondary metabolites that have new applications. Simmondsin compounds were extracted from commercially defatted jojoba meal in laboratory experiments with solutions of 80–100% aqueous ethanol. Batch extractions performed with 80% ethanol at a 1:10 meal to solvent ratio and at 25°C for 30 min exhibited increased selectivities for simmondsin and simmondsin ferulate as compared to similar extractions performed with deionized water. The extraction of simmondsin compounds from defatted jojoba meal with aqueous ethanol is feasible and offers the advantages of a solvent with low toxicity and low volatility. Aqueous ethanol is compatible with equipment currently used in the vegetable oils industry and would require only modest changes in operating conditions and plant layout to be implemented on a large scale.
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