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Advisor(s)
Abstract(s)
A commercially available Portuguese India Pale Ale craft beer (ALM-IPA) has shown potential skin benefits in a previous study [1]. However, the incorporation of cherry extracts into bottled beers lacks scientific evidence. To evaluate, in vitro, the benefits of incorporating aqueous (ACE) and ethanolic (ECE) cherry extracts into ALM-IPA beer, in terms of antioxidant and photoprotective activity and the viability of human keratinocytes (HaCaT cells). Experimental study, with the incorporation of ACE (infusion, 1:10) and ECE (70%) (1 mg/mL) into ALM-IPA bottles. Total phenolic content (TPC) was determined. The antioxidant potential was assessed using the 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), hydrogen peroxide (H202)and iron-reducing antioxidant power (FRAP) assays. The photoprotective potential was estimated by determining the sun protection factor (SPF) and the ultraviolet absorption capacity (UV-AC). The viability of HaCaT cells was assessed using the 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. Data were analysed using the one-way ANOVA test and significant differences were considered for p< 0.05. Regarding antioxidant activity, and comparing both extracts, ALM-IPA+ACE presented the lowest value of IC50for ABTS assay (86.16 ± 5.33 μg/mL) and the highest FRAP value (27.58 ± 0.42 μmol of trolox equivalents/g), which is related with the highest TPC observed (15.10 ± 0.16 mg of gallic acid/g). ALM-IPA+ECE presented the lower IC50(43.27 ± 2.14 μg/mL) compared to ALM-IPA+ACE (65.08 ± 1.69 μg/mL) for H202 assay. However, ALM-IPA beer showed higher antioxidant activity (IC50= 55.21 ± 4.68 μg/mL for ABTS; IC50= 23.54 ± 1.53 μg/mL for H202; FRAP = 53.74 ± 1.27 μmol of trolox equivalents/g). Regarding photoprotective potential, both extracts presented photoprotective potential (SPF > 6) [2]. Analyzing the viability of HaCaT cells after incubation with both extracts, ALM-IPA+ACE and ALM-IPA+ECE presented cytotoxicity, for the 24h and 48h incubation period, only for concentrations higher than 100 μg/mL (cell viability > 80%) [3]. In the 24 hincubation period, ALM-IPA cell viability was higher than ALM-IPA+ACE and ALM-IPA+ECE, and generally, ALM-IPA+ECE was superior to ALM-IPA+ACE. More studies are needed regarding the incorporation of plant extracts into commercially available beers, particularly in other stages of brewing or different styles of beer.
Description
Keywords
Craft beer Prunus aviumLapins keratinocytes
Pedagogical Context
Citation
Pereira, M. J., Santos, D., Pinho, C., & Oliveira, A. I. (2025). Potential skin benefits of incorporating Prunus avium Lapins extracts into a commercially available Portuguese India Pale Ale craft beer. IV 1H-TOXRUN INTERNATIONAL CONGRESS 2025 - Scientific Letters - Book of Abstracts, 1 (sup1). https://doi.org/10.48797/sl.2025.311
Publisher
IUCS-CESPU Publishing
