&lt;b&gt;Effect of process variables on the oil extraction from passion fruit seeds by conventional and non-conventional techniques&lt;/b&gt; - doi: 10.4025/actascitechnol.v36i1.15217

Ricardo Cardoso De Oliveira,Terezinha Aparecida Guedes,Marcelino Luiz Gimenes,Sueli Teresa Davantel De Barros

doi:10.4025/actascitechnol.v36i1.15217

<b>Effect of process variables on the oil extraction from passion fruit seeds by conventional and non-conventional techniques</b> - doi: 10.4025/actascitechnol.v36i1.15217

Ricardo Cardoso De Oliveira, Terezinha Aparecida Guedes + Show 2 more

Open Access

https://doi.org/10.4025/actascitechnol.v36i1.15217

Copy DOI

Abstract

The effects of process variables on the oil extraction from passion fruit seeds by three techniques, ultrasound shaker, and soxhlet, and of environment-friendly solvents are evaluated. Ratio variables of seed weight, solvent volume (R), time of extraction (T), and type of solvent (S) were evaluated. The significant variables for oil extraction from passion fruit seeds were R and S by ultrasound and shaker techniques and T for soxhlet extraction. Comparison of the three techniques showed that the soxhlet technique had the highest yield with 65% of total oil in the initial matrix.

Highlights

Brazil is the world’s largest producer of passion fruit
Erlenmeyers with rubber taps containing ground passion fruit seeds and one of the three solvents were used in extraction
The soxhlet extraction balloon was coupled to a condensation column in a Marconi thermo-bath (São Paulo State, Brazil) at 10°C to ensure the total condensation of the boiling solvent

Summary

Introduction

Brazil is the world’s largest producer of passion fruit. The yellow passion fruit (Passiflor aedulis f. flavicarpa) represents about 97% of the planted area and of the commercialized volume in all of Brazil. These solvents have been used because they pollute less and are less toxic than hexane. This fact meets the principles of green chemistry proposed by Lenardão et al (2003). Several extraction techniques have been used to obtain vegetable oils, including extraction with solvent, by pressing, with supercritical fluid, ultrasound, pressurized liquid and others. Many of the analytical studies involving oil extraction in the last years have investigated new extraction methodologies and compared them to classical techniques. Current assay compares the extraction yields of passion fruit seed oil using (i) non-conventional extraction techniques (ultrasound and shaker) and a conventional technique (soxhlet) and (ii) solvents fitting the green chemistry category

Material and methods

Results and discussion

Conclusion