Assessment of ultrasound-assisted extraction of crambe seed oil for biodiesel synthesis by in situ interesterification

Tavares, Gilmar Roberto; Massa, Thainara Bovo; Gonçalves, José Eduardo; Silva, Camila da; Santos, Wanderley Dantas dos

doi:10.1016/j.renene.2017.04.065

Cited by 48 publications

(31 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Rodrigues et al () reported that higher temperature in the range of 40–60°C could promote the solubility of oil in alcoholic solvent. Other studies by de Mello et al () and Tavares, Massa, Gonçalves, da Silva, and dos Santos () observed that increasing the temperature from 40 to 60°C increased the yield of chia seeds oil and crambe seed oil respectively. Sun et al () reported that the yield of peony seed oil increased as the extraction temperature increased from 40 to 85°C and decreased after the boiling point of hexane–ethanol solvent.…”

Section: Resultsmentioning

confidence: 77%

“…Sun et al () reported that an increasing of extraction time from 2 to 10 min increased the oil yield of peony seed and remained unchanged after 10 min using hexane and ethanol mixture as solvent in the extraction. Tavares et al () observed that extraction time has the greatest effect on extraction yield of crambe seed oil and achieved optimum yield within 60 min. Al‐Dhabi, Ponmurugan, and Maran Jeganathan () reported that increasing extraction time from 5 to 36 min was able to enhance the phenolic compound extracted from waste spent coffee ground.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

A Box-Behnken design for optimization of ultrasound-assisted solvent extraction of hazelnut oil

Geow

Tan

Yeap

et al. 2018

J Food Process Preserv

View full text Add to dashboard Cite

This study aims to increase the hazelnut oil yield using ultrasound as initial treatment in hexane solvent extraction. A Box–Behnken design was applied to optimize the ultrasound amplitude (30%, 60%, and 90%), solvent to solid ratio (6:1, 8:1, and 10:1) and extraction temperature (28, 38, and 48°C). The results showed that increasing all these variables would increase the oil yield. The oil extraction were optimum at 90% ultrasound amplitude, 10:1 solvent to solid ratio, and 48°C of extraction temperature. Effect of extraction time on oil yield was studied at optimum conditions. The maximum oil yield was achieved at 75 min of extraction time with 15‐min initial sonication. The maximum oil yield in ultrasound‐assisted extraction was around 88%. Ultrasound treatment had increased 4% of oil yield from the control. Fourier‐transform infrared spectroscopy results showed that the extracted hazelnut oil has the similar functional groups as other edible oils. Practical applications Hazelnut oil is one of the edible oils that widely been used in food processing. Besides, hazelnut oil has specific contribution in addressing health issues, where it can reduce cholesterol level in human body. This research introduces the optimized extraction process on hazelnut oil to the food manufacturer. With the presence of ultrasound treatment, hazelnut oil can be extracted in shorter time. Therefore, it tends to introduce low cost and healthy hazelnut oil to the consumer.

show abstract

Section: Resultsmentioning

confidence: 77%

Section: Resultsmentioning

confidence: 99%

A Box-Behnken design for optimization of ultrasound-assisted solvent extraction of hazelnut oil

Geow

Tan

Yeap

et al. 2018

J Food Process Preserv

View full text Add to dashboard Cite

show abstract

“…The ultrasonic power showed the greatest influence on the PSO yield in the UAE, and this effect was clearly observed when comparing the results of experiments 1 and 3 in Table . Tavares et al () found that an increase in the variables time, temperature, and solvent: seed ratio favored the removal of oil from the crambe seeds. In addition, significant higher PSO yields were obtained when the solvent‐to‐solid ratio increased, due to a higher driving force and a less viscosity in the more diluted solution (de Mello, dos Santos Garcia, & da Silva, ).…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, many efforts have been made to develop methods integrating thermal and mechanical treatments to enhance PSO extraction. Among them, ultrasound‐assisted extraction (UAE) has been proved to be an efficient and economic “green” technology for the extraction of oil, with high oil yields, short extraction time, and a low volume of solvent (Tavares, Massa, Gonçalves, Silva, & Santos, ). In addition, UAE makes it possible to extract a high rate of bioactive compounds at relatively lower temperature, resulting in higher quantity and quality of final products than Soxhlet extraction (SE; Miklavcic, ).…”

Section: Introductionmentioning

confidence: 99%

Optimized ultrasonic‐assisted extraction of papaya seed oil from Hainan/Eksotika variety

Zhang

Yingjie

Huang

et al. 2019

Food Science & Nutrition

View full text Add to dashboard Cite

Hainan/Eksotika papaya is a popular cultivated plant in Hainan Island, China. Papaya seed oil (PSO) contains functional compounds with good antioxidant activity, especially monounsaturated fatty acids. In this work, the ultrasound‐assisted extraction (UAE) of PSO was optimized using response surface methodology. It was found that the optimal extraction performance was realized when the elevated time was set to 20 min, the ultrasound power was set to 250 W, and the n‐hexane‐to‐sample ratio was set to 16:1 (v/w). The highest yield of PSO (32.27%) was obtained under the optimal conditions, and PSO showed good oxidative stability. Differential scanning calorimetry analysis showed that the melting point of Hainan/Eksotika PSO was low, while its crystallization temperature was high. FTIR and NMR were used to analyze the chemical structure of PSO, which also proved that PSO possessed good stability without oxidative degradation. In addition, scanning electron micrograph was employed to investigate the change in seed microscopic structure. The results showed UAE caused serious structural damage of sample cell membranes and walls, which help oil access to the solvent with a high extraction ratio. The results indicated that UAE is an efficient environmental‐friendly, and promising technique could be applied to produce PSO or other edible oil with a better health‐beneficial value in food industry.

show abstract

“…Many oil and protein preparation methods, physical, chemical, and enzymatic, have been reported [4][5][6]. In recent years, a new method, reverse micelle technology, has emerged.…”

Section: Introductionmentioning

confidence: 99%

Kinetics and Characteristics of Soybean Oil and Protein Extracted by AOT Reverse Micelle Technology

Zhang

Chen

Zhang

et al. 2018

Journal of Chemistry

View full text Add to dashboard Cite

The mass transfer process of soybean oil extracted by AOT reverse micelle was determined. Meanwhile, the physicochemical properties of oil and structural properties of protein were also investigated by gas chromatography (GC), Fourier infrared spectrum (FTIR), and amino acid analyzer. The results indicated that the mass transfer model can be set up as 1 + 2(1 − ) − 3(1 − ) 2/3 = 0.248 • exp(−720.8/ ) • . The reaction probably belongs to internal diffusion. The oil extracted by AOT reverse micelle was in better quality according to physicochemical analysis. The soybean protein almost retained its original structure in AOT reverse micelle by FTIR and amino acid analysis. Therefore, AOT reverse micelle is an attractive procedure for extracting oil and protein simultaneously.

show abstract

Assessment of ultrasound-assisted extraction of crambe seed oil for biodiesel synthesis by in situ interesterification

Cited by 48 publications

References 46 publications

A Box-Behnken design for optimization of ultrasound-assisted solvent extraction of hazelnut oil

A Box-Behnken design for optimization of ultrasound-assisted solvent extraction of hazelnut oil

Optimized ultrasonic‐assisted extraction of papaya seed oil from Hainan/Eksotika variety

Kinetics and Characteristics of Soybean Oil and Protein Extracted by AOT Reverse Micelle Technology

Contact Info

Product

Resources

About