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Dragon’s blood sap: storage stability and antioxidant activity

AuthorsEscobar, Juan D.; Prieto, Cristina ; Pardo-Figuerez, María; Lagarón Cabello, José María
KeywordsDragon’s blood sap
Storage stability
Antioxidant activity
UV-Vis spectrophotometry
Issue Date15-Oct-2018
PublisherMultidisciplinary Digital Publishing Institute
CitationMolecules 23(10): 2641 (2018)
AbstractCurrently, consumers are demanding additive-free, fresher, and more-natural products. Dragon’s Blood Sap (DBS), the deep red latex of the specie of tree Croton lechleri (Müll. Arg.), contains a high concentration of phenolic compounds of great interest for the food, pharmaceutical, and cosmetic industries. These chemical compounds are highly susceptible to degradation. Therefore, DBS storage stability and its photo-oxidation was studied by Fourier transform infrared spectroscopy (FT-IR) and UV-Vis spectrophotometry for 39 days at different temperatures (4–21 °C) and relative humidities (0–56%), as well as under UV light exposure. It was observed that the degradation of phenolic compounds was reduced at 0% relative humidity (RH), not showing a significant effect of temperature in the range studied. UV light irradiation degraded DBS in a 20%. DBS has an exceptional high and stable antioxidant content (≥93% inhibition percentage of DPPH), which makes it a unique property to consider the DBS as an antioxidant agent or ingredient for consumer products formulations.
Publisher version (URL)https://doi.org/10.3390/molecules23102641
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