The water soluble vitamins B1 and B2 were not detected in maqui, while vitamin B3 could only be detected in trace amount, below the level of quantification. In control and in dried samples of the maqui berries, only vitamin B6was found in detectable amount.
The control sample had an average content of 26.20 ± 1.22 mg/ 100 g dm. During drying, a heavy loss of vitamin B6 occurred at all assayed temperatures, reaching the highest degradation (85%) at 50 C (Table 4).