Figure Captions:
Figure 1. Standardized effect estimative of the process variables on the hydrolysis yield of Crambe oil using in natura castor seeds.
Figure 2. Response surface for the effects of a) ultrasound power versus buffer solution/oil mass ratio, b) ultrasound power versus catalyst/substrate mass ratio, and c) catalyst/substrate mass ratio versus buffer solution/oil mass ratio on the yield of enzymatic hydrolysis of Crambe oil using in natura seeds.
Figure 3. Crambe oil enzymatic hydrolysis kinetics with in natura seeds. a) CFFA (mol kg-1), b) CMAG (mol kg-1), c) CDAG (mol kg-1), d) CTAG (mol kg-1), e) CGL (mol kg-1), and f) Cw (mol kg-1). Conditions: ultrasound power 70%, buffer solution/oil ratio of 1.8, catalyst/substrate ratio of 0.25, pH 4.2.
Figure 4. Standardized effect estimative of the process variables on the hydrolysis yield of Crambe oil using oil-free castor seeds.
Figure 5. Response surface for the effects of a) ultrasound power versus buffer solution/oil mass ratio, b) ultrasound power versus catalyst/substrate mass ratio, and c) catalyst/substrate mass ratio versus buffer solution/oil mass ratio on the yield of enzymatic hydrolysis of Crambe oil using oil-free seeds.
Figure 6. Crambe oil enzymatic hydrolysis kinetics with oil-free seeds. a) CFFA (mol kg-1), b) CMAG (mol kg-1), c) CDAG (mol kg-1), d) CTAG (mol kg-1), e) CGL (mol kg-1), and f) Cw (mol kg-1). Conditions: ultrasound power 68%, buffer solution/oil ratio of 1.7, catalyst/substrate ratio of 0.06, pH 4.2.