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Determinação de ácido benzóico e ácido sórbico em iogurtes comerciais.

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Fig.  2 . Cromatograma de diferentes amostras de Iogurte. Fase móvel: metanol / tampão  fosfato, pH 4,5 (50/50,  v / v ) ; fluxo = 0,7 ml/min.; atenuação: 0,2X; Detector:  UV - 227 nm
Fig. 3. Cromatograma de Amostras coletadas durante a elaboração de Iogurte Natural. Fa- Fa-se móvel: metanol/tampão fosfato, pH 4,5 (50/50,  v / v ) ; fluxo = 0,7 ml/min.; ate  nuação: 0,2X; Detector: UV - 227 nm

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