An alternative outdoor production system for the microalgae Chaetoceros muelleri and Dunaliella sp. during winter and spring in Northwest Mexico

Becerra-Dorame, Manuel de Jesús; López‐Elías, José Antonio; Martínez‐Córdova, Luis Rafael

doi:10.1016/j.aquaeng.2010.03.002

Cited by 6 publications

(3 citation statements)

References 12 publications

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“…These results are similar to previous reports on the same microalga and even in other diatoms at different world locations (Acién-Fernández et al 2003;Sánchez-Mirón et al 2003;Rodolfi et al 2009;Becerra-Dórame et al 2010;Fuentes-Grünewald et al 2011;Bazaes et al 2012). This could be explained because the outdoor conditions imposed stress conditions to the microalgae, and responding to this the cells stimulated the production of reserves of energy to avoid starvation and non-controlled temperature shifts (Fuentes-Grünewald et al 2011).…”

Section: Indoor Vs Outdoor Cultures General Performancesupporting

confidence: 94%

“…There are previous reports using outdoor cultures of some microalgae species at different world latitudes, some authors developed different culture systems such flask bioreactors, bag columns and outdoor raceways (Becerra-Dórame et al 2010;Bazaes et al 2012;Moheimani 2013;Schoepp et al 2014). Other studies of outdoor cultures from different microalgae species in the Mediterranean area were measured over shorts time periods (Rodolfi et al 2009) and/or avoiding the summer (Sánchez-Mirón et al 2003;Fuentes-Grünewald et al 2012).…”

Section: Discussionmentioning

confidence: 97%

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Effects of outdoor cultures on the growth and lipid production of Phaeodactylum tricornutum using closed photobioreactors

Santos-Ballardo

Rendón-Unceta

Rossi

et al. 2016

World J Microbiol Biotechnol

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One of the principal challenges for large scale production of microalgae is the high costs of biomass production. Aiming for minimize this problem, microalgal biodiesel production should focus on outdoors cultures, using available solar light and allowing lower energy cost process. Testing species that proved to be common and easy to culture may be a good approach in this process. The present work reports indoor-outdoor cultures of Phaeodactylum tricornutum using different bioreactors types, using cell growth, biochemical composition, and the profiles of the fatty acids produced as the parameters to test the optimization processes. The results show that the use of outdoor cultures is a good choice to obtain P. tricornutum biomass with a good potential for biodiesel production. The microalgae produced reached better growth efficiency, major lipid content and showed an increment in the percentage of saturated fatty acids (required on the biodiesel production) respect indoor cultures. These results are important to show the relevance of using outdoor cultures as a way to improve the efficiency and the energetic balance of the biodiesel production with P. tricornutum algae.

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Section: Indoor Vs Outdoor Cultures General Performancesupporting

confidence: 94%

Section: Discussionmentioning

confidence: 97%

Effects of outdoor cultures on the growth and lipid production of Phaeodactylum tricornutum using closed photobioreactors

Santos-Ballardo

Rendón-Unceta

Rossi

et al. 2016

World J Microbiol Biotechnol

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“…Additionally, salinity is one of the most important factors affecting the growth and productivity of plants and algae (Parida & Das, 2005). Salinity affects growth and chemical composition of T. weissflogii (Vrieling et al, 2007); therefore, considering that mass cultures are performed outdoor at different ages and salinities (Becerra-Dorame et al, 2010), it is important to evaluate the combination of both variables. Information related to the effect of salinity on the growth and chemical composition of T. weissflogii is not yet available.…”

Section: Introductionmentioning

confidence: 99%

Effect of salinity on growth and chemical composition of the diatom Thalassiosira weissflogii at three culture phases

García¹,

López‐Elías²,

Miranda³

et al. 2012

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ABSTRACT. The estuarine diatom Thalassiosira weissflogii (Fryxell & Hasle, 1977) has been widely used as live feed in aquaculture. The growth rate and biochemical composition of microalgae are highly influenced by environmental factors such as, light, salinity and nutrient availability. Salinity is difficult to control in some shrimp laboratories specialized in larvae production, because these laboratories depend upon the levels measured in estuaries or coastal lagoons, which are the water sources for larvae culture. The present study evaluated the effect of different salinities (25, 30, 35, 40, 45 and 50 psu), on the growth and chemical composition of T. weisflogii at three culture phases, under laboratory conditions. The highest growth rate and maximum cell density were found at 25 psu. Decrease in size and striking changes in morphology of the cells were observed at the higher salinities and drastic changes occurred at 50 psu. Protein and carbohydrate content were higher at low salinities (25 and 30 psu) during the stationary phase. The lipid production was higher at low salinities, but diminished as the phase changes occurred; in contrast, the lipid content was unaffected by the growth phase at higher salinities (≥35 psu). The higher growth rate and better biochemical composition were obtained at 25 and 30 psu. Keywords: estuarine diatom, microalgae culture, proximate composition. Efecto de la salinidad en el crecimiento y composición química de la diatomeaThalassiosira weissflogii en tres fases de cultivo RESUMEN. La diatomea estuarina Thalassiosira weissflogii (Fryxell & Hasle, 1977) ha sido utilizada como alimento vivo en acuacultura. La composición bioquímica del alimento vivo afecta la nutrición de los organismos durante su cultivo. La tasa de crecimiento y composición bioquímica de las microalgas están altamente influenciadas por factores ambientales como luz, salinidad y disponibilidad de nutrientes. En algunos laboratorios productores de larvas de camarón, es difícil controlar la salinidad, debido a que éstos dependen de los niveles presentes en estuarios o lagunas costeras, los cuales son la fuente de agua para el cultivo larvario. El presente estudio evaluó el efecto de diferentes salinidades (25, 30, 35, 40, 45 y 50 psu), sobre el crecimiento y la composición proximal de T. weissflogii en tres fases de cultivo, bajo condiciones de laboratorio. Las mayores tasas de crecimiento y la máxima densidad celular se obtuvieron a 25 psu. Se observó una reducción en tamaño y cambios en la morfología de las células a altas salinidades y los cambios drásticos ocurrieron a 50 psu. El contenido de proteínas y de carbohidratos fue más elevado a salinidades bajas (25 y 30 psu), durante la fase estacionaria de crecimiento. La producción de lípidos fue elevada a bajas salinidades y disminuyó a medida que cambiaba de fase; no se observó un efecto de las fases del cultivo sobre el contenido de lípidos en altas salinidades (≥35 psu). La mayor tasa de crecimiento y la mejor composición bioquímica se obtuvieron 25 y 30...

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Effects of fundamental nutrient stresses on the lipid accumulation profiles in two diatom species Thalassiosira weissflogii and Chaetoceros muelleri

Lin

Zhuo

Wang

et al. 2018

Bioprocess Biosyst Eng

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Microalgae are considered as attractive feedstocks for biofuel production nowadays because of their high lipid contents and easy cultivation. In the present study, two diatoms, Thalassiosira weissflogii and Chaetoceros muelleri, were cultured under various nutrient-limitation conditions to explore their comprehensive lipid accumulation profiles for further commercialization. In T. weissflogii, the highest neutral lipid accumulation and highest lipid productivity (14.28 mg L day) were both recorded under P-limitation. In C. muelleri, the highest lipid content (35.03% of dry cell weight), highest neutral lipid accumulation, and highest lipid productivity (29.07 mg L day) were all recorded under N-limitation. Besides, the predominant fatty acids of T. weissflogii and C. muelleri were myristic acid (C14:0), palmitic acid (C16:0), and palmitoleic acid (C16:1), with the amounts of 58.4-74.4 and 74.1-87.7% of the total fatty acids, respectively. Moreover, nutrient limitations led to a lower proportion of polyunsaturated fatty acids (PUFA) than that of saturated fatty acid (SFA) and monounsaturated fatty acid (MUFA) in both species. The ratios of (SFA + MUFA) to PUFA were from 1.65 to 3.01 in T. weissflogii, and up to 3.61 to 8.59 in C. muelleri. Our results suggested the feasibility of C. muelleri as biodiesel feedstock due to its more suitable fatty acid composition and higher lipid productivity compared to T. weissflogii.

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An alternative outdoor production system for the microalgae Chaetoceros muelleri and Dunaliella sp. during winter and spring in Northwest Mexico

Cited by 6 publications

References 12 publications

Effects of outdoor cultures on the growth and lipid production of Phaeodactylum tricornutum using closed photobioreactors

Effects of outdoor cultures on the growth and lipid production of Phaeodactylum tricornutum using closed photobioreactors

Effect of salinity on growth and chemical composition of the diatom Thalassiosira weissflogii at three culture phases

Effects of fundamental nutrient stresses on the lipid accumulation profiles in two diatom species Thalassiosira weissflogii and Chaetoceros muelleri

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