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Antioxidant, Antimicrobial, and Other Biological Properties of Pompia Juice.

ABSTRACT: Pompia is a Citrus species belonging to Sardinian endemic biodiversity. Health benefits were attributed to its flavedo rind extracts and essential oils while the juice qualities have never been investigated. In this paper, the antioxidant, antimicrobial, and other biological properties of Pompia juice were studied. A combined LCMS/electrochemical/biological approach was used to clarify a still debated phylogeny of this species and to explain the role of its juice phenolic compounds. A closer phylogenetic relationship with lemon and citron, rather than oranges was suggested. Sensors-based electrochemical measures, together with LCMS qualitative and quantitative analyses, revealed a high contribution of ascorbic acid and phenolics with low redox potential, isorhamnetin 3-O-rutinoside, diosmin, and diosmetin 6,8-diglucoside, to antioxidant capacity. The biological assays demonstrated a marked effect of low concentration of Pompia juice against reactive oxygen species (ROS) starting from 50 µg mL-1, and a moderate capacity to reduce ROS damages on cell membrane. Treatments with Pompia juice also resulted in a significant reduction (20%) of the metabolic activity of SW48 colon cancer cells. Lastly, MIC, MBC, and MBIC antimicrobial assays demonstrated that Pompia and lemon juices have inhibitory and antibiofilm effects against the pathogenic bacteria Pseudomonas aeruginosa, Streptococcus aureus, and Enterococcus faecalis.

SUBMITTER: Barberis A

PROVIDER: S-EPMC7397052 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Antioxidant, Antimicrobial, and Other Biological Properties of Pompia Juice.

Barberis Antonio A Deiana Monica M Spissu Ylenia Y Azara Emanuela E Fadda Angela A Serra Pier Andrea PA D'hallewin Guy G Pisano Marina M Serreli Gabriele G Orrù Germano G Scano Alessandra A Steri Daniela D Sanjust Enrico E

Molecules (Basel, Switzerland) 20200713 14

Pompia is a Citrus species belonging to Sardinian endemic biodiversity. Health benefits were attributed to its flavedo rind extracts and essential oils while the juice qualities have never been investigated. In this paper, the antioxidant, antimicrobial, and other biological properties of Pompia juice were studied. A combined LCMS/electrochemical/biological approach was used to clarify a still debated phylogeny of this species and to explain the role of its juice phenolic compounds. A closer phy ...[more]

PMID: 32668641

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Project description:Tomatoes are readily available and affordable vegetables that offer a range of health benefits due to their bioactive molecules, such as antioxidants and antimicrobials. In contrast to the widely recognized antioxidant properties of tomatoes, their antimicrobial properties remain largely unexplored. Here, we present our findings on the antimicrobial properties of tomato juice and peptides, namely, tomato-derived antimicrobial peptides (tdAMPs), in relation to their effectiveness against typhoidal Salmonella. Our research has revealed that tomato juice demonstrates significant antimicrobial properties against Salmonella Typhi, a pathogen that specifically affects humans and is responsible for causing typhoid fever. By employing computational analysis of the tomato genome sequence, conducting molecular dynamics simulation, and performing functional analyses, we have successfully identified two tdAMPs, namely, tdAMP-1 and tdAMP-2. These tdAMPs have demonstrated potent antimicrobial properties by effectively disrupting bacterial membranes. The efficacy of tdAMP-2 is shown to be more effective than tdAMP-1. The efficacy of tdAMP-1 and tdAMP-2 has been demonstrated against drug-resistant S. Typhi, as well as hyper-capsular S. Typhi variants that possess hypervirulent characteristics, which are presently circulating in countries with endemicity. Tomato juice, along with the two tdAMPs, has demonstrated effectiveness against uropathogenic Escherichia coli as well. This underscores their potential as viable agents in combating certain Gram-negative pathogens. This study provides valuable insights into the development of effective and sustainable public health strategies that utilize tomato and its derivatives as lifestyle interventions.IMPORTANCEIn this study, we investigate the antimicrobial properties of tomato juice, the most widely consumed affordable vegetables, as well as tomato-derived antimicrobial peptides, in relation to their effectiveness against foodborne pathogens with an emphasis on Salmonella Typhi, a deadly human-specific pathogen.

Project description:IntroductionThe increasing demand for consuming highly nutritional value foods based on fruits or vegetables in combination with "beneficial" lactic acid bacteria (LAB) expands the research on developing novel functional non-diary delivery vectors.MethodsIn this study, the native Lactiplantibacillus plantarum UTNCys5-4 (Cys5-4) and commercial Lactiplantibacillus plantarum ATCC8014 (LP) strains have been targeted for probiotic properties in a novel designed tropical beverage containing yellow passionfruit (maracuyá) and coconut (MC). Furthermore, the quality of the newly fortified beverages, MCA (MC + Cys5-4) and MCB (MC + LP), was evaluated, along with their antimicrobial activity against two foodborne pathogens.ResultsThe results showed greater cell viability of Cys5-4 (8.84 ×107 CFU/ml), whereas a statistically significant (p < 0.05) decrease was registered for LP strain (1.90 × 105 CFU/mL) on the 15th day of storage with refrigeration. An enhanced ascorbic acid content (AAC) and total polyphenol content (TPC) in both fortified juices (MCA and MCB), with MCA showing moderate TPC increases and MCB showing slightly higher improvements. Both fortified juices exhibited increased antioxidant capacity (AOX) compared to the non-fortified control (MC), emphasizing their enhanced functional value. An intrinsic inhibitory activity against Salmonella enterica subsp. enterica ATCC51741 and Escherichia coli ATCC25922 was observed in the MC juice during the first 6 days of storage, after which the activity was lost. In contrast, the inhibitory activity in both MCA and MCB juices increased up to 15 days of storage, suggesting a synergistic interaction between the antimicrobial compounds produced by the bacteria and those naturally present in the fruit, effectively enhancing their role as in situ antimicrobial agents. These findings validate the use of Cys5-4 as a promising probiotic strain for developing functional beverages with improved shelf life, sensory properties, and health-promoting benefits.ConclusionThe synergistic antimicrobial and antioxidant effects underscore the potential of combining probiotics with tropical fruits like yellow passionfruit and coconut for innovative and nutritionally valuable non-dairy food products. These formulations present a promising solution for delivering native LAB strains, enabling the fruit and dairy industries to create healthier, market-driven products.

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Antioxidant, Antimicrobial, and Other Biological Properties of Pompia Juice.

Publications

Antioxidant, Antimicrobial, and Other Biological Properties of Pompia Juice.

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