In recent years, farmers in the northwest of Paraná have been cultivating coconut tree, seeking for commercialization of water of the green fruit. In literature there are few reports on the characteristics of green coconut water in the region. Thus, the purpose of this study was to evaluate the physicochemical aspects and activities of peroxidase (POD) and polyphenoloxidase (PPO) of coconut water, cv. Dwarf Green, from fruits harvested at different developmental stages and climate seasonal. The fruits were harvested in Umuarama, Paraná, in the four seasons and in five stages of development. The activity of POD and PPO, turbidity, pH, acidity (TA), phenolic compounds and mineral contents of coconut water were evaluated. The activities of PPO and POD showed the highest values in winter, ranging from 1.87 to 3.69 U mL-1 to PPO and 15.42 to 22.56 U mL-1 to POD. Turbidity ranged from 10.14 to 15.16 NTU, and values relative to coconut water collected with seven months and nine months in the spring. The TA resulted in values between 0.057 and 0.113 g citric acid 100 mL-1. In the winter and in the spring, coconut water had the highest values of phenolic compounds in relation to other climate seasons. Potassium was the mineral found in highest concentration in all samples. The parameters indicate that the coconut water produced in Umuarama, Paraná, has the biochemical and physicochemical appropriate and similar to coconuts produced in tropical regions.
Cocos nucifera L.; Anão Verde cv.; enzymes; turbidity; phenolic compouds
