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O perfil físico-químico do leite humano ordenhado cru (LHOc) com acidez titulável acima de 7ºD após 15 dias de congelamento, teores de creme, gordura total e valor energético, foram avaliados. Na etapa controle, os valores absolutos de creme, gordura total e valor energético (n=3887) foram determinados pelo método do crematócrito e a acidez titulável (n=4204) do LHOc por um método titulimétrico adaptado de leite de vaca. Na etapa teste, determinou-se o teor de creme, gordura total e valor energético de amostras (n=66) com acidez acima de 7ºD armazenadas entre -10º e -18ºC por 15 dias. A acidez titulável variou de 0,5 a 21ºD (3,52 ± 2,45ºD) e os teores de creme, gordura total e valor energético foram, respectivamente, 4,90 ± 0,25 %, 4,49 ± 0,26 % e 617,47 ± 17,37 Kcal/Litro. Houve redução significante nos teores de creme (6,45 ± 2,28% para 5,79 ± 2,57%), gordura total (4,0 ± 1,81% para 3,49 ± 1,76%) e valor energético (716,27 ± 176,59 Kcal/Litro para 666,82 ± 171,90 Kcal/Litro), com p<0,05. O uso do teste da acidez titulável constitui uma ferramenta importante no controle de qualidade do LHOc. The physiochemical profile of the human milk milked raw (HMMr) with titratable acidity above 7ºD after 15 days of freezing, the tenors of cream, total fat and energy value was determinated. In the control step, the absolute values of cream, total fat and energy value (N=3887) were determinated for the method of the creamatocrit, and the titratable acidity (N=4204) of the HMMr were determined for a method adapted of cow milk. In the test step, there was determined the tenor of cream, total fat and energy value of samples (n=66) with acidity above 7ºD stored between -10ºC and -18ºC by 15 days. The titratable acidity varied from 0.5 to 21ºD (3.52 ± 2.45ºD), and the tenors of cream, total fat and energy value were, respectively, 4.90 ± 0.25%, 4.49 ± 0.26% and 617.47 ± 17.37 Kcal / Liter. There was significant reduction in the tenors of cream (6.45 ± 2.28% for 5.79 ± 2.57%), total fat (4.0 ± 1.81% for 3.49 ± 1.76%) and energy value (716.27 ± 176.59Kcal / Liter for 666.82 ± 171.90Kcal/Liter) with p < 0.05. The use of the test of the titratable acidity constitutes one important tool in the quality control of the HMMr

Uso da acidez titulável no controle de qualidade do leite humano ordenhado