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Combinaciones de preservantes para un producto untable natural OceanDocs
Camejo, J.; Rodríguez, T.; García, A.; Aniely M´Boumba; Rodríguez, D.; García, H.; Fernández, A..
Se valoró el uso de diferentes combinaciones de preservantes químicos en la elaboración de un producto untable no fermentado, con vistas a incrementar el tiempo de vida útil del mismo. Los preservantes utilizados fueron sorbato de potasio, ácido benzoico y ácido sórbico, estableciéndose las combinaciones posibles de dos conservantes, que no superara 0,1 % por combinación en el producto final. Se determinó el tiempo de vida útil del untable elaborado con cada combinación, mantenidos a 6 ± 2 ºC. El estudio se realizó siguiendo un diseño de muestreo parcialmente escalonado y tomando como rechazo la modificación de los atributos de calidades físico-químicas, microbiológicas y sensoriales. Se precisó que con las 3 combinaciones estudiadas se incrementó la...
Tipo: Journal Contribution Palavras-chave: Shelf life; Preservatives; Benzoic acid; Sorbic acid; Sorbates.
Ano: 2008 URL: http://hdl.handle.net/1834/5012
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Control of brown spot pathogen of rice (Bipolaris oryzae) using some phenolic antioxidants BJM
Shabana,Y.M.; Abdel-Fattah,G.M.; Ismail,A.E.; Rashad,Y.M..
Bipolaris oryzae is the causal agent of rice brown spot disease and is responsible for significant economic losses. In order to control this disease, three phenolic antioxidants were tested (salicylic acid, benzoic acid and hydroquinone). The antifungal activity of the tested substances were investigated against B. oryzae at different concentrations in vitro, as well as the efficacy of their exogenous application in controlling rice brown spot disease under field conditions. In vitro, benzoic acid or salicylic acid at 9 mM completely inhibited the growth of B. oryzae. Under field conditions, spraying of benzoic acid at 20 mM led to a significant reduction in disease severity (DS) and disease incidence (DI) on the plant leaves, in addition to a significant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Benzoic acid; Bipolaris oryzae; Hydroquinone; Salicylic acid; Systemic resistance.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000300006
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Hyperhydricity control of in vitro shoots of Turbinicarpus valdezianus (Möller) GL & F Phyton
García Osuna,HT; Benavides Mendoza,A; Escobedo Bocardo,L; Villarreal Quintanilla,JA; Cornejo Oviedo,E.
Turbinicarpus valdezianus is a species under special protection, according to the current law NOM-059-ECOL-2010. It spreads preferably through shoot proliferation in vitro. A common problem associated with the propagation of this species by tissue culture is the hyperhydricity or excess of water accumulation in the tissues of shoots explants. The literature on this topic indicates that such response is related with oxidative stress. Because of this, the effects of inhibitors of the gibberellins [paclobutrazol (PBZ) and calcium prohexadione (PCa)] and salicylic (SA) and benzoic acids (BA) were tested to diminish the hiperhydrycity of the sprouts, which was measured after twelve weeks of study initiation. The treatment with PBZ (3.4 x...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Turbinicarpus valdezianus; Hyperhydricity; Paclobutrazol; Calcium prohexadione; Salicylic acid; Benzoic acid.
Ano: 2011 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572011000200009
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