Chemical composition, antioxidant and antimicrobial activity of guavirova (Campomanesia xanthocarpa Berg) seed extracts obtained by supercritical CO2 and compressed n-butane

Capeletto, Catia; Conterato, Greicy M. M.; Scapinello, Jaqueline; Rodrigues, Fernanda Silva; Copini, Mayara S.; Kuhn, Fernanda; Tres, Marcus V.; Magro, Jacir Dal; Oliveira, J. Vladimir

doi:10.1016/j.supflu.2015.12.009

Cited by 33 publications

(29 citation statements)

References 32 publications

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“…Effect of temperature and pressure parameters were assessed using a factorial 2 2 design with triplicate assays at the central point, resulting in seven experimental assays, comprising extraction temperature of 35, 45 and 55°C and pressure of 40, 50 and 60 bar. Detailed discussion on the apparatus and extraction conditions can be found in the work of Novello et al (2015) and Capeletto et al (2016). For all extraction conditions using pressurized with n-butane pecan nut oils were collected in amber bottles and then stored under refrigeration (5 ± 2°C).…”

Section: Pecan Nut Extraction With Pressurized N-butanementioning

confidence: 99%

Fatty acid profile of pecan nut oils obtained from pressurized n-butane and cold pressing compared with commercial oils

et al. 2017

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This short note compares the chemical profile of pecan nut oil samples obtained from pressurized -butane and cold pressing with two commercial oils. The conventional cold pressing technique yielded 58.9 wt%, while pressurized-butane yielded from 53 to 65 wt%, being the highest yield at 55 °C, and pressure of 40 bar. The -butane behaves nearly like a piston fluid within the experimental conditions used. The results showed that the extraction variables had a slight influence on the fatty acid composition of the samples. Extraction with-butane thus showed to be a promising alternative technique to conventional extraction methods, as very mild operating conditions and eco-friendly solvent can be used to provide good results without any residues in the final product.

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Section: Pecan Nut Extraction With Pressurized N-butanementioning

confidence: 99%

Fatty acid profile of pecan nut oils obtained from pressurized n-butane and cold pressing compared with commercial oils

et al. 2017

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“…In such case, supercritical fluid extraction (SFE) based on carbon dioxide and coupled with ethanol as a cosolvent can greatly increase the extraction efficiency [23,87] and has emerged as a "green" technology due to its non-flammable characteristics, pressure relatively low and chemically inert [85]. In addition to carbon dioxide, other compressed solvents can be used to extract polyunsaturated fatty acids and carotenoids from microalgae, including ethane, propane, n-butane, and dimethyl ether [88][89][90]. In fact, a recent study (e.g., [91]) has evaluated the efficiency of using subcritical n-butane in comparison to supercritical CO 2 for extraction of lipids, polyunsaturated ω-3 and ω-6 and carotenoids from three marine microalgae (N. oculata, P. tricornutum, and P. cruentum) for food and pharmaceutical applications.…”

Section: Challenges Surrounding Algal Usagementioning

confidence: 99%

The Impact of Microalgae in Food Science and Technology

Matos

2017

J Americ Oil Chem Soc

167

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Microalgae (including cyanobacteria) are promising organisms for sustainable products for use as feedstocks for food, feed, fine chemicals, and biofuels. They can synthesize a broad range of products with medium‐ to high‐value market price such as β‐1,3‐glucan polysaccharide, single‐cell‐protein, carotenoids and phycobilin pigments, and long‐chain polyunsaturated fatty acids that are commercialized in the food industry as dietary supplements and functional foods, in the pharmaceutical and chemical industries as cosmaceuticals and flavorants, and in the therapeutic field as nutraceutical compounds. These microorganisms are also exceptional producers of omega‐3 and omega‐6 fatty acids such as eicosapentaenoic, docosahexaenoic, and arachidonic acids that have been linked to several human health benefits. The aim of this paper is to review the main existing high‐value products that can be derived from microalgae with a particular focus on food science and technology applications. It also describes the gross and fine chemical composition of various algal species and details the nutritive importance of selected constituents. Finally, nutritional quality standards and legislative provisions to ensure food safety in the use of algal biomass are presented.

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“…The equipment consisted of four components: a solvent gas cylinder, a high-pressure pump, an extraction vessel, a micrometric valve connected to collection flask and a temperature and pressure control systems. A detailed discussion about experimental apparatus, methodology and extraction conditions can be found in the works of Capeletto et al (2016) [21] and Scapinello et al (2015) [22].…”

Section: Bergamot Peel Oil Extraction With Pressurized Propane and Sumentioning

confidence: 99%

Chemical Composition and Antibacterial Activity of Bergamot Peel Oil from Supercritical CO2 and Compressed Propane Extraction

Lazarotto¹,

Valério²,

Boligon³

et al. 2018

TOFSJ

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Objective: Essential oils are widely used as flavors and fragrances in the food, cosmetic and pharmaceutical industries, especially the bergamot peel oil due to the high polyphenols content, compared to other citrus species. Two types of polyphenols present in bergamot peel oil, brutieridin and melitidin, are directly related to cholesterol biosynthesis inhibition in a similar way as the statins. In this context, this work reports the extraction yields of bergamot peel oil obtained by supercritical carbon dioxide and compressed propane, together with the antimicrobial activity. Methods: The experiments were conducted at 55°C and 350 bar (density 0.881kg/m3) for carbon dioxide and at 55 °C and 40 bar (density 0.441 kg/m3) for propane. Results: Regarding the antimicrobial activity, the minimum inhibitory concentrations of bergamot oil were effective for the gram-positive bacteria growth inhibition, Staphylococcus aureus at 31.25 µg.mL-1 of bergamot oil, while 500 µg.mL-1 of oil extract was necessary to afford gram-negative bacterium (Escherichia coli) inhibition.

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Chemical composition, antioxidant and antimicrobial activity of guavirova (Campomanesia xanthocarpa Berg) seed extracts obtained by supercritical CO2 and compressed n-butane

Cited by 33 publications

References 32 publications

Fatty acid profile of pecan nut oils obtained from pressurized n-butane and cold pressing compared with commercial oils

Fatty acid profile of pecan nut oils obtained from pressurized n-butane and cold pressing compared with commercial oils

The Impact of Microalgae in Food Science and Technology

Chemical Composition and Antibacterial Activity of Bergamot Peel Oil from Supercritical CO2 and Compressed Propane Extraction

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