Planta Med 2022; 88(15): 1513-1514
DOI: 10.1055/s-0042-1759191
Poster Session II

Exploring the biotechnological value of Corema album leaves

E Fernandes∗
1   Centre of Marine Sciences, University of Algarve, Faro, Portugal
,
H Correia
2   Department of Biomedical Sciences and Medicine Campus de Gambelas, University of Algarve, Faro, Portugal
,
M J Rodrigues
1   Centre of Marine Sciences, University of Algarve, Faro, Portugal
,
V Castañeda-Loaiza
1   Centre of Marine Sciences, University of Algarve, Faro, Portugal
,
C Pereira
1   Centre of Marine Sciences, University of Algarve, Faro, Portugal
,
L Custódio
1   Centre of Marine Sciences, University of Algarve, Faro, Portugal
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Corema album is an halophytic perennial shrub commonly known as “Camarinha”, with edible fruits traditionally used in popular medicine as an antipyretic. Recent studies evaluated biological activities of natural extracts from C. album and confirmed their medicinal properties, namely in terms of protection against oxidative stress related diseases [1], [2]. Aiming at the biotechnological valorization of this species, this work prepared ethanol and acetone extracts from its leaves, and evaluated them for total content of phenolic compounds, radical scavenging activity through DPPH and ABTS methods and for inhibitory capacity towards tyrosinase, an enzyme related with hyperpigmentation and food oxidation. The total content of phenolic compounds was higher in the ethanol extract (536.4 mg GAE/g) than in the acetone one (260.5 mg EAG/g). Ethanol extract showed higher antioxidant capacity by neutralizing DPPH (IC50 = 0.116 mg/mL) and ABTS (IC50 = 0.168 mg/mL) radicals than the acetone (DPPH, IC50 = 0.280 mg/mL; ABTS, IC50 = 0.347 mg/mL). The ethanol extract also exhibited the higher tyrosinase inhibition (IC50 = 2.844 mg/mL). Our results suggest that the ethanol extract from C. album leaves could be further explored as a source of polyphenolic compounds with antioxidant and tyrosinase inhibition properties, with possible uses in the food and pharmaceutical industries.

The authors declares that there is no conflict of interest.

Funding

Foundation for Science and Technology (FCT), and the Portuguese National Budget (UIDB/04 326/2020 and PTDC/BAA-AGR/1391/2020 project). LC was sustained by FCT Scientific Employment Stimulus (CEECIND/00 425/2017), and EF by a FCT PhD grant (UI/BD/151 301/202).


 


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Artikel online veröffentlicht:
12. Dezember 2022

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