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Inicio  /  Applied Sciences  /  Vol: 12 Par: 14 (2022)  /  Artículo
ARTÍCULO
TITULO

Compound Identification from Bromelia karatas Fruit Juice Using Gas Chromatography?Mass Spectrometry and Evaluation of the Bactericidal Activity of the Extract

Benjamín A. Ayil-Gutiérrez    
Karla Cecilia Amaya-Guardia    
Arturo A. Alvarado-Segura    
Glendy Polanco-Hernández    
Miguel Angel Uc-Chuc    
Karla Y. Acosta-Viana    
Eugenia Guzmán-Marín    
Blancka Yesenia Samaniego-Gámez    
Wilberth Alfredo Poot-Poot    
Gabriel Lizama-Uc and Hernán de Jesús Villanueva-Alonzo    

Resumen

Fruits of species of the genus Bromelia contain compounds with health benefits and potential biotechnological applications. For example, Bromelia karatas fruits contain antioxidants and proteins with bactericidal activity, but studies regarding the activity of these metabolites and potential benefits are required. We evaluated the bactericidal activity of the methanolic extract (treated and not treated with activated charcoal) and its fractions (hexane, ethyl acetate, and methanol) from ripe B. karatas fruit (8 °Brix) against Escherichia coli, Enterococcus faecalis, Salmonella enteritidis, and Shigella flexneri. The methanolic extract (ME) minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined at eight concentrations. The methanolic extract MIC was 5 mg/mL for E. faecalis and 10 mg/mL for the other bacteria; the MBC was 20 mg/mL for E. coli and E. faecalis, and 40 mg/mL for S. enteritidis and S. flexneri. Through gas chromatography?mass spectrometry, 131 compounds were identified, some of which had previously been reported to have biological activities, such as bactericidal, fungicide, anticancer, anti-inflammatory, enzyme inhibiting, and anti-allergic properties. The most abundant compounds found in the ME of B. karatas fruits were maleic anhydride, 5-hydroxymethylfurfural, and itaconic anhydride. This study shows that B. karatas fruits contain metabolites that are potentially beneficial for health.

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