Characterization of five fresh water microalgae with potential for biodiesel production

Ruby Valdez-Ojeda, Muriel González-Muñoz, Roberto Us-Vázquez, José Narváez-Zapata, Juan Carlos Chavarria-Hernandez, Silvia López-Adrián, Felipe Barahona-Pérez, Tanit Toledano-Thompson, Gloria Garduño-Solórzano, Rosa María Escobedo-Gracia Medrano

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Abstract

© 2014 Elsevier B.V. Microalgae biodiesel feedstocks have been investigated by numerous research groups to overcome dependence on fossil fuels. This study describes a detailed characterization of five freshwater microalgae strains of the family Scenedesmaceae, based on cell wall ultrastructure, ITS-2 sequence and secondary structure analysis, as well as the estimation of biodiesel properties from fatty acids produced before and after N-limitation. Characterization permitted the reclassification of SCRE-1 and SCRE-2 strains into the subgenus Scenedesmus; DSRE-1 and DSRE-2 strains into the subgenus Desmodesmus; and CORE-1 strain into the genus Coelastrum. Transesterification of fatty acids of the five strains was performed before and after N-limitation, and seven important biodiesel quality parameters were predicted by applying selected correlations. These parameters were then compared to the corresponding specifications in the American and European biodiesel standards. N-limitation promoted higher yields of biomass (up to 3.5 times) and lipids (up to 4.1 times) in all strains under study. Moreover, it was found that SCRE-2 was the only biodiesel that met all estimated parameters of the more stringent European standard before N-limitation. This was also true for DSRE-1 and DSRE-2 biodiesels after limitation, with the exception of their oxidative stability parameter, whose values met the limit of the American but not the European standard.
Original languageAmerican English
Pages (from-to)33-44
Number of pages28
JournalAlgal Research
DOIs
StatePublished - 1 Jan 2015

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fresh water
Biofuels
biodiesel
Biodiesel
microalgae
Water
fatty acids
Fatty acids
scenedesmus
Fatty Acids
Scenedesmaceae
Coelastrum
fossil fuels
Transesterification
biomass
Scenedesmus
Fossil fuels
transesterification
Feedstocks
Lipids

Cite this

Valdez-Ojeda, R., González-Muñoz, M., Us-Vázquez, R., Narváez-Zapata, J., Chavarria-Hernandez, J. C., López-Adrián, S., ... Escobedo-Gracia Medrano, R. M. (2015). Characterization of five fresh water microalgae with potential for biodiesel production. Algal Research, 33-44. https://doi.org/10.1016/j.algal.2014.11.009
Valdez-Ojeda, Ruby ; González-Muñoz, Muriel ; Us-Vázquez, Roberto ; Narváez-Zapata, José ; Chavarria-Hernandez, Juan Carlos ; López-Adrián, Silvia ; Barahona-Pérez, Felipe ; Toledano-Thompson, Tanit ; Garduño-Solórzano, Gloria ; Escobedo-Gracia Medrano, Rosa María. / Characterization of five fresh water microalgae with potential for biodiesel production. In: Algal Research. 2015 ; pp. 33-44.
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abstract = "{\circledC} 2014 Elsevier B.V. Microalgae biodiesel feedstocks have been investigated by numerous research groups to overcome dependence on fossil fuels. This study describes a detailed characterization of five freshwater microalgae strains of the family Scenedesmaceae, based on cell wall ultrastructure, ITS-2 sequence and secondary structure analysis, as well as the estimation of biodiesel properties from fatty acids produced before and after N-limitation. Characterization permitted the reclassification of SCRE-1 and SCRE-2 strains into the subgenus Scenedesmus; DSRE-1 and DSRE-2 strains into the subgenus Desmodesmus; and CORE-1 strain into the genus Coelastrum. Transesterification of fatty acids of the five strains was performed before and after N-limitation, and seven important biodiesel quality parameters were predicted by applying selected correlations. These parameters were then compared to the corresponding specifications in the American and European biodiesel standards. N-limitation promoted higher yields of biomass (up to 3.5 times) and lipids (up to 4.1 times) in all strains under study. Moreover, it was found that SCRE-2 was the only biodiesel that met all estimated parameters of the more stringent European standard before N-limitation. This was also true for DSRE-1 and DSRE-2 biodiesels after limitation, with the exception of their oxidative stability parameter, whose values met the limit of the American but not the European standard.",
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Valdez-Ojeda, R, González-Muñoz, M, Us-Vázquez, R, Narváez-Zapata, J, Chavarria-Hernandez, JC, López-Adrián, S, Barahona-Pérez, F, Toledano-Thompson, T, Garduño-Solórzano, G & Escobedo-Gracia Medrano, RM 2015, 'Characterization of five fresh water microalgae with potential for biodiesel production', Algal Research, pp. 33-44. https://doi.org/10.1016/j.algal.2014.11.009

Characterization of five fresh water microalgae with potential for biodiesel production. / Valdez-Ojeda, Ruby; González-Muñoz, Muriel; Us-Vázquez, Roberto; Narváez-Zapata, José; Chavarria-Hernandez, Juan Carlos; López-Adrián, Silvia; Barahona-Pérez, Felipe; Toledano-Thompson, Tanit; Garduño-Solórzano, Gloria; Escobedo-Gracia Medrano, Rosa María.

In: Algal Research, 01.01.2015, p. 33-44.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - Characterization of five fresh water microalgae with potential for biodiesel production

AU - Valdez-Ojeda, Ruby

AU - González-Muñoz, Muriel

AU - Us-Vázquez, Roberto

AU - Narváez-Zapata, José

AU - Chavarria-Hernandez, Juan Carlos

AU - López-Adrián, Silvia

AU - Barahona-Pérez, Felipe

AU - Toledano-Thompson, Tanit

AU - Garduño-Solórzano, Gloria

AU - Escobedo-Gracia Medrano, Rosa María

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Y1 - 2015/1/1

N2 - © 2014 Elsevier B.V. Microalgae biodiesel feedstocks have been investigated by numerous research groups to overcome dependence on fossil fuels. This study describes a detailed characterization of five freshwater microalgae strains of the family Scenedesmaceae, based on cell wall ultrastructure, ITS-2 sequence and secondary structure analysis, as well as the estimation of biodiesel properties from fatty acids produced before and after N-limitation. Characterization permitted the reclassification of SCRE-1 and SCRE-2 strains into the subgenus Scenedesmus; DSRE-1 and DSRE-2 strains into the subgenus Desmodesmus; and CORE-1 strain into the genus Coelastrum. Transesterification of fatty acids of the five strains was performed before and after N-limitation, and seven important biodiesel quality parameters were predicted by applying selected correlations. These parameters were then compared to the corresponding specifications in the American and European biodiesel standards. N-limitation promoted higher yields of biomass (up to 3.5 times) and lipids (up to 4.1 times) in all strains under study. Moreover, it was found that SCRE-2 was the only biodiesel that met all estimated parameters of the more stringent European standard before N-limitation. This was also true for DSRE-1 and DSRE-2 biodiesels after limitation, with the exception of their oxidative stability parameter, whose values met the limit of the American but not the European standard.

AB - © 2014 Elsevier B.V. Microalgae biodiesel feedstocks have been investigated by numerous research groups to overcome dependence on fossil fuels. This study describes a detailed characterization of five freshwater microalgae strains of the family Scenedesmaceae, based on cell wall ultrastructure, ITS-2 sequence and secondary structure analysis, as well as the estimation of biodiesel properties from fatty acids produced before and after N-limitation. Characterization permitted the reclassification of SCRE-1 and SCRE-2 strains into the subgenus Scenedesmus; DSRE-1 and DSRE-2 strains into the subgenus Desmodesmus; and CORE-1 strain into the genus Coelastrum. Transesterification of fatty acids of the five strains was performed before and after N-limitation, and seven important biodiesel quality parameters were predicted by applying selected correlations. These parameters were then compared to the corresponding specifications in the American and European biodiesel standards. N-limitation promoted higher yields of biomass (up to 3.5 times) and lipids (up to 4.1 times) in all strains under study. Moreover, it was found that SCRE-2 was the only biodiesel that met all estimated parameters of the more stringent European standard before N-limitation. This was also true for DSRE-1 and DSRE-2 biodiesels after limitation, with the exception of their oxidative stability parameter, whose values met the limit of the American but not the European standard.

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Valdez-Ojeda R, González-Muñoz M, Us-Vázquez R, Narváez-Zapata J, Chavarria-Hernandez JC, López-Adrián S et al. Characterization of five fresh water microalgae with potential for biodiesel production. Algal Research. 2015 Jan 1;33-44. https://doi.org/10.1016/j.algal.2014.11.009