Affiliation:
1. Chromatography Laboratory Chemistry Department Federal University of Amazonas Manaus Amazonas Brazil
2. Laboratory of Medicinal Plants and Derivatives Department of Chemistry of Natural Products Farmanguinhos, Oswaldo Cruz Foundation, Rio de Janeiro Rio de Janeiro Brazil
3. Brazilian National Institute for Research in the Amazon Coordination Society of Environment and Health (COSAS) and Laboratory of Physical Chemistry of Food (LFQA) Manaus Amazonas Brazil
4. Laboratory of Plant Genetics and Toxicology, Department of Biological Sciences Federal University of Espirito Santo, Vitoria, Espirito Santo, Brazil
Abstract
AbstractAmbelania acida is native to the Amazon region, with few published studies of its fruits. We examined the proximate composition of its fruits, including minerals, fatty acids, volatile organic compounds (VOCs), as well as its antioxidant capacity. The protein contents (2.61%) of the pulp and seeds (13.6%) were higher than observed in other taxa of the family or in other tropical fruits. Peel and pulp showed high contents of potassium, calcium, and magnesium, and the potassium content in the pulp was 1125 mg/100 g. The peel had higher contents of total phenolics, tannins, and ortho‐diphenols than the pulp, as well as better antioxidant activity as evidenced by 2,2′‐azinobis‐(3‐ethylbenzothiazoline‐6‐sulfonic acid) (ABTS), 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH), Ferric Reducing Antioxidant Power (FRAP), and Fe2+ chelating activity assays. GC‐MS analyses identified 42 VOCs in the peel and pulp, with more than 90% being classified as terpenes. Eleven types of fatty acids were identified in the lipid fractions of the peel, pulp, and seeds. Linoleic acid, an essential fatty acid for humans, was the principal fatty acid in the edible portion of the fruit, therefore, evidencing its nutritionally significant profile for the fruits when considering the relationship among polyunsaturated, saturated, and monounsaturated fatty acids. The information gathered here indicates that this native fruit is a healthy food source and its cultivation and consumption should be stimulated.
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