1995
DOI: 10.1016/0308-8146(95)99827-m
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Nature of the condensed tannins present in the dietary fibre fractions in foods

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Cited by 20 publications
(12 citation statements)
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“…Phenolic compounds also complex with cocoa proteins and polysaccharides. 10,15,31 In agreement with the XP staining, a gradual decrease in protein content up to 72 h of fermentation (Table 1) was observed. Concomitantly, the amount of amino-terminal groups increased with time, as well as that of total free amino acids (Table 1), indicating proteolysis and the formation of smaller peptides and free amino acids.…”
Section: Microscopic Analysissupporting
confidence: 85%
See 1 more Smart Citation
“…Phenolic compounds also complex with cocoa proteins and polysaccharides. 10,15,31 In agreement with the XP staining, a gradual decrease in protein content up to 72 h of fermentation (Table 1) was observed. Concomitantly, the amount of amino-terminal groups increased with time, as well as that of total free amino acids (Table 1), indicating proteolysis and the formation of smaller peptides and free amino acids.…”
Section: Microscopic Analysissupporting
confidence: 85%
“…The phenolic compounds were extracted with acetone±water (70:30, v/v) as described elsewhere, 15 and the total phenol content was determined using the Prussian blue method 16 and expressed in mg tannic acid g À1 sample. Amino-terminal groups were determined after extraction with a mixture of trichloroacetic acid±sodium acetate±acetic acid (0.11 M:0.22 M: 0.33 M) 17 and reaction with o-phthalaldehyde.…”
Section: Chemical Analysismentioning
confidence: 99%
“…A extração dos fenóis foi realizada segundo a metodologia modificada, descrita por Bartolomé et al (1995), dos "nibs" finamente moídos e desengordurados com hexano. Do pó desengordurado e seco, foram pesadas alíquotas de 1g para extração com 15 mL de uma solução de acetona/água (70:30) em refrigeração a 4°C, com agitação durante 20 minutos, e finalmente centrifugadas por 10 minutos, a 2.942 x g. Alíquotas de 0,5 mL do sobrenadante foram completadas com 0,5 mL de água destilada e submetidas à determinação.…”
Section: Methodsunclassified
“…Estão presentes na fração de fibra alimentar de diferentes alimentos e podem ser considerados indigeríveis ou pouco digeríveis (Bartolomé et al, 1995). Apesar da ação negativa do tanino no valor nutritivo de certos vegetais, em particular a redução de digestibilidade de proteínas, a inibição da ação de enzimas digestivas e interferência na absorção de ferro, os efeitos do tanino na saúde humana ainda são questionáveis devido à limitação de estudos nesta área.…”
Section: Taninosunclassified