Biodiesel production from microbial oil provided by oleaginous yeasts from olive oil mill wastewater growing on industrial glycerol

Chebbi, Halima; Leiva-Candia, D.E.; Carmona-Cabello, Miguel; Jaouani, Atef; Dorado, M.P.

doi:10.1016/j.indcrop.2019.111535

Cited by 44 publications

(18 citation statements)

References 46 publications

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“…Since the yeast strain grew without any growth inhibition, decrease in lipid accumulation may have occurred due to the oversupply of glycerol. Indeed, a few studies have demonstrated that the impurities (minor quantities) present in crude glycerol would be helpful for microbial growth, leading to higher yeast growth compared with pure glycerol . In all experimental runs, it can be concluded that intermittent feeding of crude glycerol with OWH improved lipid production in N. albida strain.…”

Section: Resultsmentioning

confidence: 99%

“…Therefore recent studies have focused on the utilization of various low‐cost substrates or waste materials for the economic production of microbial lipids. Inexpensive carbon sources, namely rice straw hydrolysate, cheese whey, confectionery waste streams, wastewater from different industries and others, have been successfully utilized for lipid production using several microorganisms. Agricultural waste, which accounts for 30% of worldwide agricultural productivity, is one of the potential raw materials for SCO production…”

Section: Introductionmentioning

confidence: 99%

“…Alternatively, direct valorization of crude glycerol by fermentation is a potential way for enhancing the economy of the biodiesel industry. Thus utilization of crude glycerol as a substrate for lipid production using oleaginous yeasts has been investigated in recent years …”

Section: Introductionmentioning

confidence: 99%

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Co‐fermentation of agricultural and industrial waste by Naganishia albida for microbial lipid production in fed‐batch fermentation

Sathiyamoorthi

Dikshit

Kumar

et al. 2019

J of Chemical Tech & Biotech

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BACKGROUND: Oleaginous yeast Naganishia albida is well known for its ability to utilize a variety of carbon sources, including lignocellulosic hydrolysates, complex sugars and fatty acids. In this study, crude glycerol derived from the biodiesel industry and onion waste hydrolysate (OWH) were used as potential substrates for microbial lipid production. RESULTS: Both substrates provided sufficient nutrition to support cell growth and lipid production as sole carbon source.Enhanced lipid production and cell growth rate were observed with supplementation of yeast extract as nitrogen source. Co-fermentation of OWH and crude glycerol led to improved biomass as well as lipid production. The highest lipid content of 34.0% (w/w) with 21.1 g L −1 of dry cell weight was obtained after 168 h of fed-batch fermentation with intermittent feeding of crude glycerol and OWH. The lipid concentration was approximately 7 times higher than using mineral medium with crude glycerol as sole carbon source, where a lipid content of 12.6% (w/w) and a maximum biomass of 8.32 g L −1 were obtained at 168 h. CONCLUSION: Optimization of glycerol and OWH feeding could enhance lipid accumulation in N. albida. This study suggests that the co-fermentation of agricultural and industrial waste as substrates can provide a competitive route for single cell oil production.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Co‐fermentation of agricultural and industrial waste by Naganishia albida for microbial lipid production in fed‐batch fermentation

Sathiyamoorthi

Dikshit

Kumar

et al. 2019

J of Chemical Tech & Biotech

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“…The biotechnological applications of M. caribbica include its use as oleaginous yeast for biodiesel production (Chebbia et al 2019) and as biological control agent against Colletotrichum gloeosporioides in fruits of Mangifera indica (Aguirre-Güitrón et al 2019). The yeast powder presented effectiveness even after 6 months of storage.…”

Section: Discussionmentioning

confidence: 99%

Yeasts with Fermentative Potential Associated with Fruits of Camu-Camu (Myrciaria Dubia, Kunth) from North of Brazilian Amazon

Matos¹,

Andrade-Souza²,

D’Angelo³

et al. 2021

Preprint

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PurposeConsidering the high biotechnological potential of yeasts associated to edible fruits, a screening for these microbes able to alcoholic fermentation was performed in ripe fruits of camu-camu.MethodsFruits of camu-camu (Myrciaria dubia, Kunth) were collected in north of brazilian Amazon, in floodplain of Cauamé river. Yeasts were isolated, and fermentation capability was evaluated using Durham tubes. Quantitative assays were performed to calculate ethanol yield (g.g–1), specific growth rate (h–1) and ethanol productivity (g.L–1.h–1). Taxonomic identification was performed by ribosomal genes nucleotides sequences analysis by alignment using BLASTn.ResultsA total of fifteen yeasts colonies were isolated, and eight of them presented the ability to ferment glucose to ethanol. Six of them were identified as three different species: Candida orthopsilosis, Pichia kudriavzevii and Meyerozyma caribbica. When cultured in broth containing 180 g.L–1 of glucose, M. caribbica reaches 91.7 percent of the maximum theoretical ethanol concentration (84.4 g.L–1), presenting ethanol yield and productivity of 0.4688 g.g–1 and 0.781 g.L–1.h–1, respectively.ConclusionsThe endophytic microbiota of camu-camu includes C. orthopsilosis, P. kudriavzevii and M. caribbica. This paper is a rare report of C. orthopsilosis with endophytic habit, because most of the references indicate it as human pathogenic. Besides this, M. caribbica is a promising fermenter for alcoholic beverages, due to its osmotolerance and high ethanol yield. This is the first paper reporting endophytic yeasts associated with fruits of Myrciaria dubia.

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“…However, biodiesel is proved to be the best replacement for diesel because of its unique properties like significant reduction in greenhouse gas emission, non sulphur emission, non-particulate matter pollutants, low toxicity and biodegradability. This is a major challenge and the use of biodiesel as an alternative source of fuel would be able to overcome this problems and their effect (Ahmad et al, 2019;Chebbi et al, 2019;Chen et al, 2019;Sánchez-Arreola et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Production of biodiesel using novel C. lepodita oil in the presence of heterogeneous solid catalyst

Int¹

2019

Preprint

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Present study was designed to produce biodiesel using Cola lepidota seed oil in the presence of clay catalyst. The extraction was done in petroleum ether and oil was characterized using Fourier Transform Infrared Spectrophotometer (FTIR) and scanning electron microscope (SEM) techniques. The biodiesel produced, was characterized for specific gravity, kinematic viscosity, American petroleum index (API) gravity, flash point, cloud point, aniline point and diesel index. The result from FTIR shows that there was C-N stretching aliphatic amine at 1072.46 cm-1, CH2X alkyl halides at 1226.77 cm-1, C-C stretching (in ring) aromatics at 1442.80 cm-1, N-O asymmetric stretching nitro compounds at 1527.67cm-1, C=C stretching α, β unsaturated esters at 1712.85 cm-1, C-C stretching aromatics at 2924.18 cm-1, O-H stretch or free hydroxyl alcohols or phenols at 3610.86 cm-1. The oil yield was 1.76%. The result revealed that the biodiesel showed the following properties; specific gravity (0.862 g/cm3), viscosity (4.8mm2/sec), API (30.24 oC), flash point (80 oC), cloud point (-2 oC), aniline point (68 oC) and diesel index (1.424). These values were within the recommended limits of American Standard for Testing Material (ASTM D6751). This study reveals that C. lepidota oil is a veritable precursor for biodiesel production and other industrial applications.

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Biodiesel production from microbial oil provided by oleaginous yeasts from olive oil mill wastewater growing on industrial glycerol

Cited by 44 publications

References 46 publications

Co‐fermentation of agricultural and industrial waste by Naganishia albida for microbial lipid production in fed‐batch fermentation

Co‐fermentation of agricultural and industrial waste by Naganishia albida for microbial lipid production in fed‐batch fermentation

Yeasts with Fermentative Potential Associated with Fruits of Camu-Camu (Myrciaria Dubia, Kunth) from North of Brazilian Amazon

Production of biodiesel using novel C. lepodita oil in the presence of heterogeneous solid catalyst

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