SciELO - Scientific Electronic Library Online

 
vol.1 issue14Recognition of adulterated honey with glucoseSystemic model of networks of cognitive nodos for designing virtual classrooms author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Article

Indicators

    Related links

    • Have no cited articlesCited by SciELO
    • Have no similar articlesSimilars in SciELO

    Bookmark

    Revista Tecnociencia Universitaria Bolivia

    Print version ISSN 1991-6469

    Abstract

    GARCIA ENRIQUEZ, Fernando Aníbal. Determination of dextran in products of the sugar industry. Rev tec u [online]. 2019, vol.1, n.14, pp. 21-28. ISSN 1991-6469.

    Abastract The sugar industry is affected by a glucose polymer known as "dextran", synthesized by the action of an enzyme produced by the bacterium Leuconostoc mesenteroides, causing serious damage to the overall process. In order to properly follow the development of dextran on the factory products, a technique based on the indirect determination of the polysaccharide concentration by spectrophotometry is applied, taking as reference products: first pressure juice, clarified juice, molasses, Molasses, and sugar. In turn, these analyzes were carried out in three different seasons of harvest: in May, August and November. During the month of May, the development of dextran was initially low: from 466.9 mg / Bx in first-pressure juice to 1061.6 mg / Bx in clarified juice increasing to 7910.7 mg / Bx in molasses. The month of August starts with 714.4 mg / Bx in the first pressure juice, reaching 4919.8 mg / Bx in the final honey. Finally, in November, the development of dextran is much more violent than in previous months, with 2350 mg / Bx in the first pressure juice, reaching 23745.2 mg / Bx in its molasses and 1801 mg / Bx in the Sugar, effects caused by the poor condition of the cane used in the process.

    Keywords : Dextrana; sugar cane; spectrophotometry; analysis; harvesting.

            · abstract in spanish     · text in spanish     · pdf in spanish