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Boletín de la Sociedad Argentina de Botánica

versión On-line ISSN 1851-2372


RAMOS, Pablo Martín et al. Vibrational and thermal characterization of seeds, pulp, leaves and seed oil of Rosa rubiginosa. Bol. Soc. Argent. Bot. [online]. 2016, vol.51, n.3, pp.429-439. ISSN 1851-2372.

Rosa rubiginosa L. seed oil has been studied for its application in skin care products, but the chemical nature of seeds, pulp and even leaves, apart from that of oil, is also relevant with a view to the application of this weed for biodiesel production. All these vegetal materials were studied by infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) for characterisation purposes. FTIR bands at 3005, 2924, 1740, 1654 and 1456 cm-1 were used to estimate the iodine index, suitable for biofuels, and the oxidation stability degree. From the viewpoint of the thermal stability, both the seed oil (for which pyrolysis occurs at 462ºC), the raw seeds and the rosehip pulp (with decomposition temperatures of 373ºC and 333ºC, respectively) showed potential as a biomass feedstock for conversion into biofuels.

Palabras clave : A-linolenic acid; DSC; FTIR; Rose hip seed oil; R. rubiginosa.

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