2015
DOI: 10.5897/ajb2015.14682
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Carotenoids from Phaffia rhodozyma: Antioxidant activity and stability of extracts

Abstract: The main goal of this work was to establish the stability and antioxidant activity of the extracts obtained through different techniques for recovering carotenoids from Phaffia rhodozyma NRRL-Y 17268. The best conditions for extracting carotenoids through cell rupture with dimethylsulfoxide (DMSO) were found to be a particle size of 0.125 mm submitted to freezing temperature (-18°C) for 48 h (272 µg/g). For DMSO extracts, freezing negatively affected the antioxidant activity by 2,2 '-azinobis (3-ethyl benzothi… Show more

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Cited by 29 publications
(8 citation statements)
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References 26 publications
(28 reference statements)
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“…The major compound found was (all-E) -β-carotene representing 76% of the total carotenoids (634 µg/g), followed by (13Z)-β-carotene (11.1%), (9Z)-β-carotene (7.4%), and γ-carotene (5.5%). The results obtained in the present study corroborate with Cipolatti et al [27] in the evaluation of the carotenogenic profile of the extract obtained from P. rhodozyma that quantified the β-carotene as the major compound.…”
Section: Discussionsupporting
confidence: 91%
“…The major compound found was (all-E) -β-carotene representing 76% of the total carotenoids (634 µg/g), followed by (13Z)-β-carotene (11.1%), (9Z)-β-carotene (7.4%), and γ-carotene (5.5%). The results obtained in the present study corroborate with Cipolatti et al [27] in the evaluation of the carotenogenic profile of the extract obtained from P. rhodozyma that quantified the β-carotene as the major compound.…”
Section: Discussionsupporting
confidence: 91%
“…This was transferred to test tubes containing 9 mL YM broth and maintained at 25 °C for 48 h. The cultures were then stirred on a vortex and transferred to 250 mL conical flasks containing 50 mL YM broth, previously sterilized at 121 °C for 15 min. These cultures were incubated at 150 rpm and 25 °C, either for 48 h or the time required for the cell count to reach 10 7 cells/mL, counting in a Neubauer chamber (Cipolatti et al, 2015).…”
Section: Inoculummentioning
confidence: 99%
“…Total carotenoid recovery was carried out according to the methodology described by Michelon et al (2012) and Cipolatti et al (2015). The biomass was centrifuged at 3439 × g for 10 min, transferred to a Petri dish, dried in a freeze-dryer for 48 h, macerated in a mortar and standardized using a Tyler nº 115 sieve.…”
Section: Recovery Of Total Carotenoidsmentioning
confidence: 99%
“…The total carotenoids (TC) were determined according to the methodology of Fonseca et al (2011), modified by Cipolatti et al (2015). For this purpose, 2 mL of dimethylsulfoxide (55 °C) was mixed with 0.05 g dry biomass (35 °C for 48 h), ground, sieved (Tyler 115) and frozen (-18 °C for 48 h).…”
Section: Carotenoid Concentrationmentioning
confidence: 99%
“…Carotenoids are natural pigments widely used in the food, pharmaceutical, cosmetic, and animal feed industries due to their biological properties, such as antioxidant activity (Valduga et al, 2009). Greater consumer awareness with regard to health and functional foods has triggered an increase in the demand for carotenoids, highlighting the biotechnological production due to the proven biological activity of these biomolecules (Cipolatti et al, 2015).…”
Section: Introductionmentioning
confidence: 99%