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Transesterificação de óleos vegetais: caracterização por cromatografia em camada delgada e densidade Translated title: Transesterification of vegetable oils: characterization by thin-layer cromatography and density

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      Translated abstract

      We studied the transesterification of two vegetable oils: soybean and waste frying oil. The main problem of transesterification is related to the measurement of the ethyl ester content. In this work we used a quick analytical method for assessing the ethyl ester fraction of the purified fuel-grade transesterification products by applying a simple correlation with density. If the ester content is higher than 85% by weight the correlation allows the determination by a single density measurement. This method is suitable for control and determines the ethyl ester quickly and simply.

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      Most cited references 13

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      Marine Collagen: An Emerging Player in Biomedical applications.

      Mammalian collagen is a multifactorial biomaterial that is widely used for beneficial purposes in the advanced biomedical technologies. Generally, biomedical applicable collagen is extracted from the mammalian body, but it can also be derived from marine species. Recently, mammalian tissues collagen proteins are considered a great pathological risk for transmitted diseases, because purification of such protein is very challenging and needs efficient tool to avoid structure alteration. Thus, difficult extraction process and high cost decreased mammalian collagen demands for beneficial effects compared to marine collagen. In contrast, marine collagen is safe and easy to extract, however this potential source of collagen is hindered by low denaturing temperature, which is considered a main hurdle in the beneficial effects of marine collagen. Characterization and biomedical applications of marine collagen are in transition state and yet to be discovered. Therefore, an attempt was made to summarize the recent knowledge regarding different aspects of marine collagen applications in the biomedical engineering field.
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        J. Am. Oil Chem. Soc.

         D Dunn,  R Dunn (2002)
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          Fuel Process. Technol.

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            Author and article information

            Affiliations
            [1 ] Universidade Federal do Paraná Brazil
            [2 ] Universidade Federal do Paraná Brazil
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Journal
            qn
            Química Nova
            Quím. Nova
            Sociedade Brasileira de Química (São Paulo )
            1678-7064
            2007
            : 30
            : 8
            : 2016-2019
            S0100-40422007000800037 10.1590/S0100-40422007000800037

            http://creativecommons.org/licenses/by/4.0/

            Product
            Product Information: SciELO Brazil
            Categories
            CHEMISTRY, MULTIDISCIPLINARY

            General chemistry

            biodiesel, vegetable oils, ethyl esters

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