2022
DOI: 10.21789/22561498.1885
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Extracción de pectina a partir de la hidrólisis ácida del cacao (Theobroma Cacao L.) y su aplicación en la obtención de biopelículas

Abstract: Diferentes condiciones experimentales fueron empleadas para evaluar el tipo de ácido y el pH adecuados para la extracción de pectina a partir de cáscaras de cacao y su aplicación en la obtención de una biopelicula. Se estudió tipo de ácido: clorhídrico y cítrico, y el pH a niveles 2, 3 y 4 a una temperatura constante de 90°C, las variables respuestas fueron: rendimiento de pectina, % de metoxilo % de esterificación, % de ácido galacturónico y % de acidez. En las extracciones de pectina, se reportó un rendimien… Show more

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Cited by 2 publications
(3 citation statements)
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“…The differences are likely due to the parameters used in terms of the temperature and time of hydrolysis, affecting both the degree of esterification and the acidity, as reported by Durán et al (2012) [ 47 ]. In addition to the above, Rodríguez-Mora et al (2022) [ 15 ] reported a direct relationship between free acidity and extraction pH, which varies between 2.8 and 3.4 as a function of the degree of esterification. Therefore, the highest levels of acidity occur when the extraction medium shows extreme acidity conditions; in this sense, Cabarcas et al (2012) [ 9 ] mentioned that the free acidity increases as the extraction pH is more acidic, causing a change in the chemical nature of the carboxyl groups, decreasing their state of form (salts or esters) and increasing their presence as acid groups.…”
Section: Resultsmentioning
confidence: 96%
See 1 more Smart Citation
“…The differences are likely due to the parameters used in terms of the temperature and time of hydrolysis, affecting both the degree of esterification and the acidity, as reported by Durán et al (2012) [ 47 ]. In addition to the above, Rodríguez-Mora et al (2022) [ 15 ] reported a direct relationship between free acidity and extraction pH, which varies between 2.8 and 3.4 as a function of the degree of esterification. Therefore, the highest levels of acidity occur when the extraction medium shows extreme acidity conditions; in this sense, Cabarcas et al (2012) [ 9 ] mentioned that the free acidity increases as the extraction pH is more acidic, causing a change in the chemical nature of the carboxyl groups, decreasing their state of form (salts or esters) and increasing their presence as acid groups.…”
Section: Resultsmentioning
confidence: 96%
“…The primary source of commercial pectin is citrus fruit peel and apple pomace, since they provide high yields (6-23%) [8]; however, the search to find other new sources is still ongoing. In this sense, the extraction of pectin from banana peel [9], prickly pear fruit and leaves [10][11][12], tejocote [13,14], cocoa [15], pineapple residues [16], guava [17] and different varieties of passion fruit peel [18][19][20][21], among others, has been mentioned, with all of them having low pectin yields (1.15-3.38%), with the exception of passion fruit with higher values (21.25-23.86%).…”
Section: Introductionmentioning
confidence: 99%
“…El pH es ácido y el resultado es mayor al reportado en la cáscara de naranja, pero menor al del bagazo de sábila. El mismo es atribuible a los ácidos galaturónicos, unidad básica de todas las sustancias pécticas (Rodríguez y Zepeda, 2016).…”
Section: Caracterización Fisicoquímica De La Cáscara De Camburunclassified