2007
DOI: 10.1590/s0100-40422007000800012
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Pré-tratamentos de melaço de cana-de-açúcar e água de maceração de milho para a bioprodução de carotenóides

Abstract: . This work studied the pretreatment of sugarcane molasses (CM) and corn steep liquor (CS) for the production of carotenoids by Sporidiobolus salmonicolor (CBS 2636). The acid pretreatment removed less micronutrients than that with activated carbon and led to high removals of Cu and Mn. Reduction in optical density of the prepared medium and removal of glucose from it were 22% and 7% for CM and 95% and 38% for CS, respectively. Total carotenoids obtained with substrates pretreated with acids (541 μg/L) were hi… Show more

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Cited by 27 publications
(21 citation statements)
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“…After the pre-treatment a considerable reduction occurred in the concentration of minerals, such as zinc, manganese, copper, iron, magnesium, potassium and phosphorus, among others. These minerals, when present at high concentration, could inhibit microbial growth [20].…”
Section: Ccrdmentioning
confidence: 99%
“…After the pre-treatment a considerable reduction occurred in the concentration of minerals, such as zinc, manganese, copper, iron, magnesium, potassium and phosphorus, among others. These minerals, when present at high concentration, could inhibit microbial growth [20].…”
Section: Ccrdmentioning
confidence: 99%
“…Com a levedura Sporidiobolus salmonicolor CBS 2636, utilizando inóculo produzido em meio YM e a produção sendo realizada em meio, pré-tratado com ácido sulfúricom, composto por 10 g/L de melaço de cana-de-açúcar, 5 g/L de água de maceração de milho e 5g/L de água de maceração de milho, foram alcançados 180,32 µg/g de carotenoides (Valduga, et al (2007), inferiores aos valores encontrados no presente trabalho. A semelhança entre os dois meios na produção de carotenoides volumétricos, permite que se possa optar pelo meio mais barato, nesse caso, composto pelos coprodutos água de maceração de milho e melaço.…”
Section: Resultsunclassified
“…The medium (100 mL) was placed in 250-mL conical flasks, sterilized (121°C, 15 min), inoculated (10% v/v), and incubated in an orbital shaker (Nova Ética, RDB-430) at 25°C and 180 rpm, in the dark, for 120 h. Initial pH was 4.0, and samples were withdrawn every 6 h [10].…”
Section: Kinetics Of the Fermentative Processmentioning
confidence: 99%