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    ARTICLE

    Production of Starch Films Using Propolis Nanoparticles as Novel Bioplasticizer

    Karolina Villalobos1, Hider Rojas1, Rodolfo González-Paz2, Daniel Brenes Granados2, Jeimmy González-Masís2, José Vega Baudrit1,3, Yendry Regina Corrales-Ureña1*

    Journal of Renewable Materials, Vol.5, No.3-4, pp. 189-198, 2017, DOI:10.7569/JRM.2017.634109

    Abstract Because starch is a biodegradable polymer with low cost and wide availability it is an attractive material for producing edible films for fruits. Films produced with pure starch have the disadvantage of being fragile. To overcome this issue, propolis nanoparticles were used as a novel plasticizer. Mechanical, thermal and morphological properties of the films containing 0.5, 1 and 3 wt.% propolis nanoparticles were evaluated. The best performance was obtained using 0.5 wt.% propolis, increasing the Young’s modulus and decreasing the glass transition temperature (Tg), showing their plasticizing effect. The results of scanning electron microscopy (SEM) More >

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