Evaluation of Aloe vera (Aloe barbadensis Miller) Antioxidant Activity and Some of the Morphological Characteristics in Different Vermicompost Field




Construction and function of effective substances of medicinal plants are influenced by environmental factors such as deficiency or increased of nutrients in the soil and substrates. Therefore, a greenhouse experiment was performed in completely randomized design with four treatments and three replications. The effects of vermicompost were examined on the morphological and phytochemical features in aloe vera. Treatments consisted of four vermicompost percentages (0%, 15%, 30% and 45%) in humus soil. The considered factors were leaf weight, gel fresh weight, gel dry weight, the antioxidant capacity of the gel, glucomannan of gel, flavonoids and phenols of gel, and anthocyanins of cortex. data analysis showed that the maximum of leaf weight, gel weight, dry weight of gel and gel glucomannan was obtained in 45% of vermicompost. The maximum of gel phenol, antioxidant activity of gel and anthocyanins of cortex belonged to 30% of vermicompost and gel flavonoid in 15% of vermicompost. To achieve maximum antioxidant capacity and optimum amount of active substances, more studies and application of different field of vermicompost are required in order to increase the value of medicinal properties.


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