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Rapid protocol to evaluate the photoprotective effect of film-forming formulations on mangoes Rev. Bras. Frutic.
Araújo,Ana Laressa Feitosa; Britto,Douglas de.
Abstract Sunburn is responsible for significant losses in post-harvest and has motivated studies to diminish its effect on different types of cultivars. Thus, the present study proposes a rapid protocol to evaluate the photoprotective effect of suppressive formulations. The experiment consisted in placing fruits (mango) covered with different suppressor formulations about 7 centimeters from an incandescent source and measuring the surface temperature variation employing a thermometer and thermal camera. The formulations were based on a filmogenic polysaccharide (galactomannan) and reflective additives (hydroxyapatite, montmorillonite and bentonite clays). The best result was achieved with a coating with bentonite as an additive, which showed a statistical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nanocomposite; Galactomannan; Sunburn; Montmorillonite.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452021000200302
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Scale-up in the synthesis of nanoparticles for encapsulation of agroindustrial active principles Ciência e Agrotecnologia
Duarte,Dirliane Santos; Nascimento,José Augusto de Almeida; Britto,Douglas de.
ABSTRACT Given the potentiality of nanoparticles (NP) to load substances as active principle of drugs, cosmetics and food, there is interest in increasing its production. Particularly in the agroindustrial area, the byproducts are source of functional compounds that must be stabilized by encapsulation, for example, to allow its application. Considering the amount of generated byproducts, it is necessary to understand the encapsulation synthesis in a high scale dimension. In this way, the active compounds vitamin C (from the byproduct of the acerola processing) and polyphenols (from the byproduct of grape processing) were nanoencapsulated into chitosan NP at three reactional volumes: 0.1; 1.0 and 10.0 dm3. The NP were characterized for yield, particle size,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vitamin C; Polyphenols; Byproduct; Chitosan.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542019000100406
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