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Título
Betalains and phenolic compounds profiling and antioxidant capacity of pitaya (Stenocereus spp.) fruit from two species (S. Pruinosus and S. stellatus)
Autor(es)
Materia
Phenolic acids
Antioxidant capacity
Betalains
Flavonols
Flavanones
Clasificación UNESCO
2302.90 Bioquímica de Alimentos
Fecha de publicación
2017
Editor
Food Chemistry
Citación
García Cruz, L.; Dueñas Patón, M. [et al.] (2017). Betalains and phenolic compounds profiling and antioxidant capacity of pitaya (Stenocereus spp.) fruit from two species (S. Pruinosus and S. stallatus). Food Chemistry, 234, pp. 111-118. doi:10.1016/j.foodchem.2017.04.174
Resumen
[EN] Pitaya fruits (Stenocereus spp.) contain betalains and phenolic compounds that have not been completely characterized. Fruits of two ecotypes of S. pruinosus, red-fleshed (SpR) and orange-fleshed (SpO), and two of S. stellatus, red-fleshed (SsR) and white-fleshed (SsW), were characterized in their betalains and phenolic compounds. The chromatographic profile of betalains was similar in SpR, SpO, and SsR, where indicaxanthin, gomphrenin I, phyllocacthin, and their isomers predominated. Betaxanthins content was higher than betacyanins and ranged from 17,706.7 ± 1128.1 to 22,053.6 ± 328.1 mg/g dry sample. The identified phenolics mostly corresponded to hydroxycinnamoyl derivatives, flavonols and flavanones. The phenolics content was higher in S. stellatus than in S. pruinosus. The ecotype SsW, that had flesh without color, showed the highest concentration. The antioxidant capacity varied within 9.21 ± 0.84 and 2.41 ± 0.36 lmol Trolox/g fresh sample, as determined by the ABTS assay. By its phytochemical composition, the fruits of pitaya can be a good source of antioxidant compounds.
URI
ISSN
0308-8146
DOI
10.1016/j.foodchem.2017.04.174
Versión del editor
Colecciones
- DQANB. Artículos [61]