2010
DOI: 10.1590/s0101-20612010000100035
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Estabilidade de componentes bioativos do suco tropical de goiaba não adoçado obtido pelos processos de enchimento a quente e asséptico

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Cited by 17 publications
(14 citation statements)
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“…During storage ( Figure 1A), a significant increase in pH value was observed for all nectar formulations, except for the nectar containing xanthan gum (T2) and guar gum (T3) at 180 days of storage. These results corroborate the results of several authors, including Silva et al [17] , studying the stability of guava juice packed either in glass bottles or carton, and storing for 250 days at room temperature; Mattietto et al [18] study with a blend of cajá and umbu nectar packed in glass bottles for 90 days of storage; Leitão [19] , study with blackberry nectar packed in glass or polypropylene packages and stored either at room temperature or refrigeration; and Carvalho et al [20] , studying a blended beverage consisting of cashew apple juice and coconut water containing caffeine. According to Silva [21] , the increase in pH value during storage may be due to the degradation of ascorbic acid, with respective reduction of free hydrogen ions in the product, which corroborates the findings of this study, once a significant decrease in vitamin C content was observed during storage.…”
Section: Resultssupporting
confidence: 93%
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“…During storage ( Figure 1A), a significant increase in pH value was observed for all nectar formulations, except for the nectar containing xanthan gum (T2) and guar gum (T3) at 180 days of storage. These results corroborate the results of several authors, including Silva et al [17] , studying the stability of guava juice packed either in glass bottles or carton, and storing for 250 days at room temperature; Mattietto et al [18] study with a blend of cajá and umbu nectar packed in glass bottles for 90 days of storage; Leitão [19] , study with blackberry nectar packed in glass or polypropylene packages and stored either at room temperature or refrigeration; and Carvalho et al [20] , studying a blended beverage consisting of cashew apple juice and coconut water containing caffeine. According to Silva [21] , the increase in pH value during storage may be due to the degradation of ascorbic acid, with respective reduction of free hydrogen ions in the product, which corroborates the findings of this study, once a significant decrease in vitamin C content was observed during storage.…”
Section: Resultssupporting
confidence: 93%
“…Singh & Pal [39] analyzed guava stored under controlled atmosphere for 30 days at 8 °C, and reported a reduction in phenolic compounds from 224.26 mg to 190.56 mg gallic acid equivalents.100g -1 . Silva et al [17] found a reduction from 128.33 mg to 94.98 mg gallic acid equivalents.100g -1 in hot Figure 2. Influence of the addition of hydrocolloids and enzymes in color parameters L* (A), a* (B) and b* (C) of guava nectars during storage.…”
Section: Resultsmentioning
confidence: 92%
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“…A goiaba contém quatro vezes mais vitamina C do que a laranja e quatro vezes mais cálcio do que o tomate. Além disso, é rica em fibras, vitamina E, e apresenta o dobro da quantidade de licopeno presente no tomate (Silva [27]).…”
Section: Physicochemical Parameters and Crude And Dietary Fiber Conteunclassified
“…Ocorreu degradação média de vitamina C (p<0,01) no suco de abacaxi de 6,24 mg g -1 , ao longo das 48 horas, seguindo uma equação de primeiro grau (Figura 3), conforme também verificado por Chan e Yamammoto (1994), Yamashita e Benassi (2000) e Silva (2010).…”
Section: Resultsunclassified