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  • 1
    Publication Date: 2021-05-19
    Description: Se investigó la influencia de la temperatura (50 y 60 ºC), la relación disolvente-semillas (3:1 y 5:1), la agitación (100 y 300 rev/min) y la concentración de hidróxido de sodio (0,5 y 1,0 N) en la extracción de colorante de bija. La extracción se favoreció con el aumento de la temperatura y la disminución de la concentración de sosa. La agitación prácticamente no causó efectos en los niveles de extracción. Las relaciones disolvente-semillas ensayadas no tuvieron incidencia en la cantidad de pigmentos extraída.
    Description: The effect of temperature (50 and 60ºC), solvent to seeds ratio (3:1 and 5:1), agitation (100 and 300 rpm) and sodium hydroxide concentration (0.5 and 1.0 N) on annatto extraction were investigated. The extraction was improved with the temperature increase and decrease in sodium hydroxide concentration. Agitation practically did not affect the levels of extraction. Solvent to seed ratio had no incidence on the amount of pigments.
    Description: Published
    Description: annatto colorants
    Description: natural colorants
    Description: agitation
    Keywords: Annatto (tree) ; Sodium hydroxide ; Chemical concentration ; Extraction (salts) ; Temperature ; Solvents ; Hydroxides
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed , Article
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  • 2
    Publication Date: 2019-07-13
    Description: Timeline, partial treatment, and alternate medications were added to the IMM to improve the fidelity of this model to enhance decision support capabilities. Using standard design reference missions, IMM VV testing compared outputs from the current operational IMM (v3) with those from the model with added functionalities (v4). These new capabilities were examined in a comparative, stepwise approach as follows: a) comparison of the current operational IMM v3 with the enhanced functionality of timeline alone (IMM 4.T), b) comparison of IMM 4.T with the timeline and partial treatment (IMM 4.TPT), and c) comparison of IMM 4.TPT with timeline, partial treatment and alternative medication (IMM 4.0).
    Keywords: Aerospace Medicine; Statistics and Probability
    Type: GRC-E-DAA-TN29814 , 2016 NASA Human Research Program InvestigatorsaEuro(TM) Workshop (HRP IWS 2016); Feb 08, 2016 - Feb 11, 2016; Galveston, TX; United States
    Format: application/pdf
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