Abstract
Purpose
The aim of this work was to study the change in antioxidant activity depending on storage temperature and storage period in romaine and cherry.
Methods
The plant material was stored at 0.7 ± 0.6℃, 3.5 ± 2.8℃, and 4.7 ± 1.4℃. Cherry and romaine were stored for a period of 9 days and 7 days, respectively. The cherry was taken from each group of samples at regular intervals of days and the romaine was taken from each group of samples at regular intervals of 2days. Vitamin C, total polyphenol, and total flavonoid stability and antioxidant capacity including DPPH, total antioxidant capacity (TAC) were measured.
Results
For cherry, the levels of TAC and flavonoid were higher at the 0.7 ± 0.6℃ condition than other conditions (p < 0.05). The polyphenol and vitamin C levels were not significantly different among storage conditions. In the case of romaine, the level of TAC was highly preserved until 7 days at the 0.7 ± 0.6℃ condition. Vitamin C level was significantly lower at the 3.5 ± 2.8℃ condition (p < 0.05). DPPH activity was highest at the 0.7 ± 0.6℃ condition (p < 0.05). DPPH activity was shown in order of 0.7 ± 0.6℃ > 4.7 ± 1.4℃ > 3.5 ± 2.8℃.
Figures and Tables
References
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