Abstract
The Andes berry (Rubus glaucus Benth) has an ongoing production in Colombia and is considered a competitive market product with the potential for exportation and broad applications in agroindustry because of its high content of antioxidants, nutrients, and proteins, which are keys to a balanced diet. In this study, the effect of an Aloe vera gel coating on the preservation of the nutraceutical properties of the Andes berry was evaluated by measuring the antioxidant capacity and the total phenolic content of the fruit using the DPPH (2, 2-diphenyl-1-picrylhydrazyl) and Folin-Ciocalteu methods, respectively. The antioxidant activities in fruits without and with coating were 95.14 ± 3.28 mmol AAE 100 g-1 sample and 135.94 ± 1.09 mmol AAE 100 g-1 sample, respectively, after ten day of storage. The total phenolic content of the fruits with and without coating did not present significant differences, i.e., the phenol concentrations remained constant over time. Implementation of the gel coating is recommended as a low-cost and highly available option for the preservation of the Andes berry and its nutraceutical properties.
Highlights
The Andes berry (Rubus glaucus Benth) is from America high tropical zone; it was growth in Colombia, Ecuador, Panamá, Guatemala, Honduras, México and Salvador
In Colombia, Ramírez et al, (2013)[5] evaluated the use of an edible coating based on a mucilaginous gel derived from Aloe vera leaf to increase the shelf life of the Andes berry at refrigeration temperatures, the results suggest that Aloe vera is an effective conservation method because it slows physiological processes such as respiration and transpiration
The objective of this study was to estimate the effect of Aloe vera gel coating on the nutraceutical properties of Andes berries cultivated in Risaralda, Colombia
Summary
The Andes berry (Rubus glaucus Benth) is from America high tropical zone; it was growth in Colombia, Ecuador, Panamá, Guatemala, Honduras, México and Salvador. This fruit plays an important role in the human diet due to its high content of antioxidants, nutrients, and proteins, all of which are key to a balanced diet.[1] It has an essential economic role as it is one of the most produced crops in the department of Risaralda, Colombia, with a 12% share in the national market.[2] The rapid maturation of Andes berry fruits causes large losses for farmers. Nutr Food Sci Jour., Vol 7(3) 886-893 (2019)
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