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    Influencia de la Relación Carbono/Nitrógeno en la Producción de Proteínas Totales en Chlorella Vulgari s UTE X 1803.

    Influence of the Carbon / Nitrogen Ratio in the Production of Total Proteins in Chlorella Vulgaris UTE X 1803.

    Influence of the Carbon / Nitrogen Ratio in the Production of Total Proteins in Chlorella Vulgaris UTE X 1803.

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    Durán Serrano, Linda Estephany
    Barajas Solano, Andrés Fernando
    González Delgado, Ángel Darío
    Barajas Ferreira, Crisóstomo
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    Universidad Nacional Abierta y a Distancia, UNAD

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    TY - GEN T1 - Influence of the Carbon / Nitrogen Ratio in the Production of Total Proteins in Chlorella Vulgaris UTE X 1803. T1 - Influencia de la Relación Carbono/Nitrógeno en la Producción de Proteínas Totales en Chlorella Vulgari s UTE X 1803. AU - Durán Serrano, Linda Estephany AU - Barajas Solano, Andrés Fernando AU - González Delgado, Ángel Darío AU - Barajas Ferreira, Crisóstomo UR - https://repository.unad.edu.co/handle/10596/29686 PB - Universidad Nacional Abierta y a Distancia, UNAD AB - ER - @misc{10596_29686, author = {Durán Serrano Linda Estephany and Barajas Solano Andrés Fernando and González Delgado Ángel Darío and Barajas Ferreira Crisóstomo}, title = {Influence of the Carbon / Nitrogen Ratio in the Production of Total Proteins in Chlorella Vulgaris UTE X 1803.Influencia de la Relación Carbono/Nitrógeno en la Producción de Proteínas Totales en Chlorella Vulgari s UTE X 1803.}, year = {}, abstract = {}, url = {https://repository.unad.edu.co/handle/10596/29686} }RT Generic T1 Influence of the Carbon / Nitrogen Ratio in the Production of Total Proteins in Chlorella Vulgaris UTE X 1803. T1 Influencia de la Relación Carbono/Nitrógeno en la Producción de Proteínas Totales en Chlorella Vulgari s UTE X 1803. A1 Durán Serrano, Linda Estephany A1 Barajas Solano, Andrés Fernando A1 González Delgado, Ángel Darío A1 Barajas Ferreira, Crisóstomo LK https://repository.unad.edu.co/handle/10596/29686 PB Universidad Nacional Abierta y a Distancia, UNAD AB OL Spanish (121)
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    Abstract
    Las microalgas representan una fuente de proteína con posibles aplicaciones en la nutrición humana y animal ya que poseen un buen balance de aminoácidos y bajos valores de ácidos nucleícos, en comparación con otras fuentes de proteína; sin embargo, la baja productividad de estos cultivos ha impedido implementar una producción a gran escala. En este trabajo se estudió la influencia de la relación carbono/nitrógeno en la productividad de proteínas totales presentes en Chlorella vulgarisa escala de laboratorio. Se efectuaron cultivos mixotróficos durante 5 días con diferentes concentraciones de acetato (5mM, 10mM, 20mM), y nitrato de sodio (0,97mM, 1,94mM, 2,94mM). Todos los tratamientos se realizaron a 23 ± 1ºC, con ciclos luz-oscuridad 12h: 12h. El valor más alto de concentración de proteínas se obtuvo en el medio de cultivo R9 con una productividad de 0,78±0.18 g/L, superando 1,7 veces más en producción, al cultivo control (0,46 g/L). De igual manera, fue el cultivo que consumió mayor cantidad de nitrógeno (91%). Con base en los datos obtenidos y el análisis de los mismos, se encontró que el contenido de proteínas totales en C. vulgaris es directamente proporcional a la cantidad de acetato y nitrato presentes en el medio, mientras que la respuesta de la cepa algal en cultivos con limitación de estos nutrientes, registró los valores más bajos en relación con la concentración de proteínas.
     
    Microalgae represent a source of protein with potential applications in human and animal nutrition, since they possess a good balance of amino-acids and low content of nucleic acids in comparison with other sources of protein. However, the low productivity of cultures has prevented production at a large scale. In this work, we studied the total production of protein in Chlorella vulgaris at a laboratory scale, analyzing different pre-established parameters under the carbon/nitrogen ratio. For this, we performed mixotrophic cultures during 5 days at different concentrations of acetate (5Mm, 10Mm, 20Mm) and sodium nitrate (0,97Mm, 1,94Mm, 2,94Mm). All treatments were kept at 23 ± 1ºC, with light/dark cycles of 12h: 12h for 5 days. The highest value of protein concentration was obtained from the culture R9 with a production of 0,78±0.18 g/L, 1.7 times higher than the production of the control culture treatment. (0,46 g/L). R9 was also the culture that consumed the most nitrogen (91%). Based on these results and their analysis, we found that the total content of protein in C. vulgaris is directly proportional to the amount of acetate and nitrate present in the culture media, since the algae grown in cultures where these nutrients were limited exhibited the lowest values in terms of protein concentration
     
     
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    http://hemeroteca.unad.edu.co/index.php/publicaciones-e-investigacion/article/view/1111/1275
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    http://hemeroteca.unad.edu.co/index.php/publicaciones-e-investigacion/article/view/1111
    http://dx.doi.org/10.22490/25394088.1111
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