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- Title
Functional Fruit Trees from the Atlantic and Amazon Forests: Selection of Potential Chestnut Trees Rich in Antioxidants, Nutrients, and Fatty Acids.
- Authors
Palacio de Araujo, Caroline; Medeiros Simões, Ingridh; Lins Monteiro Rosa, Thuanny; de Mello, Tamyris; Bravim Canal, Guilherme; Ferreira, Adésio; Bestete de Oliveira, João Paulo; Romais Schmildt, Edilson; Lopes, José Carlos; da Silva de Souza, Tércio; Otoni, Wagner Campos; Pinheiro, Patrícia Fontes; Moreira Novaes, Fábio Junior; Gonçalves, Fabricio Gomes; Santos, Alexandre Rosa dos; Sobreira Alexandre, Rodrigo
- Abstract
The Amazon rainforest and the biodiversity hotspot of the Atlantic Forest are home to fruit trees that produce functional foods, which are still underutilized. The present study aimed to select potential functional nut donor trees from two Brazilian chestnuts, by evaluating the nutritional and antioxidant composition of the nuts and the fatty acid profile of the oil. The nutritional characteristics, antioxidants, oil fatty acid profile, and X-ray densitometry of the nuts were evaluated, as well as the characterization of leaf and soil nutrients for each parent tree. The nut oil was evaluated through Brix (%), mass (g), yield (%), and the fatty acid profile. For L. pisonis, the most nutritious nuts were produced by L. pisonis tree 4 (N > P > K > Mg > Ca > Zn > Fe) and L. pisonis tree 6 (P > Ca > Mg > Mn > Zn > Cu > Fe), and for the species L. lanceolata, L. lanceolata tree 6 (N > P > Ca > Mg > Zn > Fe > Cu) and L. lanceolata tree 2 (P > K > Mg > Zn > Cu). In L. pisonis, the highest production of anthocyanins, DPPH, total phenolics, and flavonoids was obtained from the nuts of L. pisonis tree 4 as well as for L. lanceolata, from L. lanceolata tree 1, except for flavonoids. The Brix of the oil from the nuts of both species showed no difference between the trees and the fatty acid profile with a similar amount between saturated (48–65%) and unsaturated (34–57%) fatty acids. Both species have nuts rich in nutrients and antioxidant compounds and can be considered unconventional functional foods. The data collected in the present study confirm that the nuts of these species can replace other foods as a source of selenium.
- Subjects
AMAZON River Region; CHESTNUT; FRUIT trees; FATTY acids; COPPER; FUNCTIONAL foods
- Publication
Foods, 2023, Vol 12, Issue 24, p4422
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods12244422