Journal
MOLECULES
Volume 27, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/molecules27134276
Keywords
phytochemicals; bioactive compounds; ora-pro-nobis; Barbados gooseberry; HPLC
Funding
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais-Fapemig
- Universidade Federal de Sao Joao Del Rei-UFSJ
- Instituto Federal de Educacao, Ciencia e Tecnologia de Minas Gerais-Campus Bambui
- Universidade Federal de Minas Gerais-UFMG
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This study evaluated the physicochemical characteristics and production of bioactive compounds of Pereskia aculeata Mill. at different harvest times. The results showed that the chemical profile was affected only when harvested in winter, while it remained stable in other seasons. There was no difference in the production of bioactive compounds and antioxidant activity between seasons, while brightness, chroma, and leaf pH remained constant.
This study evaluated the physicochemical characteristics and the production of bioactive compounds of Pereskia aculeata Mill. at different harvest times. Here, we performed a qualitative evaluation of the chemical profile by paper spray mass spectrometry (PSMS), the phenolic acid and flavonoid profile by high-performance liquid chromatography (HPLC), antioxidant activity, total carotenoids, total phenolic compounds, total flavonoids, total anthocyanins, color characteristics, total soluble solids (TSS), total solids (TS), pH, and total titratable acidity (TTA). The chemical profile was not affected, with the exception of 4,5-dimethyl-2,6-octadiene and azelaic acid, which was only identified in the leaves harvested during the winter. The content of four phenolic acids and three flavonoids were analyzed; out of these, no significant amounts of ellagic acid and quercetin were detected. There was no difference in production of bioactive compounds between seasons, reflecting the antioxidant activity, which also did not differ. Brightness, chroma, and leaf pH were the only physicochemical characteristics that did not vary between seasons.
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