Extraction of α-humulene-enriched oil from clove using ultrasound-assisted supercritical carbon dioxide extraction and studies of its fictitious solubility

Wei, Ming-Chi; Xiao, Jianbo; Yang, Yu

doi:10.1016/j.foodchem.2016.04.076

Cited by 70 publications

(39 citation statements)

References 39 publications

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“…This results revealed that a hyphenated technique using a 115.51 g kg −1 ethanol–water mixture (641.70 g kg −1 ) as a co‐solvent with an initial 15 min static extraction (with ultrasound assistance) followed by a 100 min dynamic extraction (without ultrasound assistance) with a CO 2 flow rate of 2.4 mL min −1 (STP), a pressure of 28.5 MPa and a temperature of 332.15 K was found to be an efficient methodology to obtain R. rubescens extracts rich in oridonin compared to the conventional methods. This finding can be explained by the fact that ultrasonication likely caused the intensification of mass transfer by cavitation and thus increased the interaction between the solvent and the plant tissues . Thus, the HSC‐CO 2 extraction technique is preferable for the isolation of the valuable compound from R. rubescens .…”

Section: Resultssupporting

confidence: 92%

Production of oridonin‐rich extracts from Rabdosia rubescens using hyphenated ultrasound‐assisted supercritical carbon dioxide extraction

2017

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Section: Resultssupporting

confidence: 92%

Production of oridonin‐rich extracts from Rabdosia rubescens using hyphenated ultrasound‐assisted supercritical carbon dioxide extraction

2017

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“…Otherwise, different extraction methods usually show extremely different results on the compositions of S. aromaticum . Take the heat reflux extraction and steam distillation method for example, when the clove buds are extracted with ultrasound assistance and supercritical carbon dioxide extraction, better yields, and shorter extraction times of clove oil and α‐humulene are obtained (Wei, Xiao, & Yang, ). Furthermore, different researches with the same extraction method may obtain different results on the components of clove oil.…”

Section: Medicinal Compositions Of S Aromaticummentioning

confidence: 99%

Progress on the Antimicrobial Activity Research of Clove Oil and Eugenol in the Food Antisepsis Field

Zhou

Wei

2018

Journal of Food Science

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As potential and valuable antiseptics in the food industry, clove oil and its main effective composition eugenol show beneficial advantages on antibacterial and antifungal activity, aromaticity, and safety. Researches find that both clove oil and eugenol express significantly inhibitory effects on numerous kinds of food source microorganisms, and the mechanisms are associated with reducing the migratory and adhesion and inhibiting the synthesis of biofilm and various virulence factors of these microorganisms. Clove oil and eugenol are generally regarded as safe in vivo experiments. However, they may express certain cytotoxicity on fibroblasts and other cells in vitro. Studies on the quality and additive standard of clove oil and eugenol should be strengthened to promote the antiseptic effects of them in the food antiseptic field.

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“…In this case, it facilitates the solvent penetrate in material and improve the mass transfer, thus increasing the extraction rate and yield [11]. Recently, ultrasound assisted supercritical fluid extraction has been applied to extract functional compounds from different raw materials such as blackberry bagasse [10], malagueta paper [11], adlay seed [12], Scutellaria barbata D. Don [13], grape marc [14], cumbaru almond [15], and, clove [16]. However, no reports have been found in the literatures that consider the Ultrasound assisted supercritical carbon dioxide (USC-CO2) extraction of curcumin from turmeric.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Conventional and Ultrasound Assisted Supercritical Carbon Dioxide Extraction of Curcumin from Turmeric (Curcuma longa L.)

Chhouk¹,

Wahyudiono²,

Kanda³

et al. 2017

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Abstract. Recently, ultrasound assisted supercritical fluid is used for extraction the valuable compounds from a number of plant materials as an alternative to conventional method because it can enhance the extraction rate and yield. Curcumin is an important component of turmeric (Curcuma longa L.) with many useful functions to human health. The objective of this study is using ultrasonic assisted supercritical carbon dioxide (USC-CO2) to extract curcumin from turmeric and compared to conventional method. The effect of operating conditions on extraction, including temperature (40-60 o C), pressure (15-25 MPa), extraction time (30-120 min), CO2 flow rate (2-4 mL/min) and percentage of cosolvent (10-20% v/v) were also studied. The result shows that the high extraction yield of 7.17% w/w and curcumin content of 1.69% w/w were achieved at temperature of 50 o C, pressure of 25 MPa, extraction time of 90 min, CO2 flow rate of 3 mL/min with 10% cosolvent. Compared to conventional method, USC-CO2 could provide higher curcumin content in extraction yield in a shorter extraction time. Scanning electron microscopy (SEM), thermal gravity (TG), and fourier transform infrared spectroscopy (FTIR) was used to analyse turmeric undergoing USC-CO2 and conventional extraction and showed that ultrasound could break down the cell walls and remove some functional groups from plant materials, resulting an increase the selectivity of compounds in extraction yield.

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Extraction of α-humulene-enriched oil from clove using ultrasound-assisted supercritical carbon dioxide extraction and studies of its fictitious solubility

Cited by 70 publications

References 39 publications

Production of oridonin‐rich extracts from Rabdosia rubescens using hyphenated ultrasound‐assisted supercritical carbon dioxide extraction

Production of oridonin‐rich extracts from Rabdosia rubescens using hyphenated ultrasound‐assisted supercritical carbon dioxide extraction

Progress on the Antimicrobial Activity Research of Clove Oil and Eugenol in the Food Antisepsis Field

Comparison of Conventional and Ultrasound Assisted Supercritical Carbon Dioxide Extraction of Curcumin from Turmeric (Curcuma longa L.)

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