Title: Study on rapid determination of moisture content in freeze-dried vegetables
Abstract: The organic solvent in distillation method of determinating the moisture content in freeze-dried vegetables was selected, to optimize the test condition of moisture content in freeze-dried vegetables by dry method in normal atmospheric pressure. By test, benzene was used reasonablly as distillation solvent to determinate the moisture content in freeze -dried vegetables. After optimization, the moisture contents in freeze-dried garlic strip, freeze-dried garlic slice, freeze-dried rape, freeze-dried shallot pearl and freeze-dried spinach were determinated by dried in 105 ℃ and normal atmospheric pressure holding 30 min, 40 min, 40 min, 60 min and 120 min respectively. Thereinto, the moisture contents in freeze-dried garlic slice and freeze- dried rape were achieved unvaryingly. The RSD of these methods were less than 1.5%. The values of │Z│in three laboratories were less than 1.5.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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