New investigation reveals really 5 little-known Amazonian fruits battalion a powerful punch against oxidative accent and harmful microbes, unlocking their committedness for early wellness and biotech breakthroughs.
Study: Lacmellea oblongata and Other Undervalued Amazonian Fruits arsenic Functional, Antioxidant, and Antimicrobial Matrices. Image credit: LRDI_Photo/Shutterstock.com
Amazonian fruits, specified arsenic Miconia crenata, Grias neuberthii, Lacmellea oblongata, Pourouma cecropiifolia, and Annona edulis, are rich | sources of bioactive compounds that tin beryllium utilized successful nan food, pharmaceutical, and biotechnology sectors. A caller study in Antioxidants wished nan bioactive compounds of respective of these fruits and evaluated their antioxidant and antimicrobial properties.
The wellness benefits of nutraceuticals
Nutraceuticals are foods aliases nutrient components that connection medicinal and wellness benefits. Previous studies person indicated their imaginable successful reducing nan effect of chronic diseases connected nationalist health. The world summation successful non-communicable diseases, specified arsenic obesity and cardiovascular diseases, has escalated nan request for dietary strategies based connected functional foods.
The Western diet, characterized by precocious levels of ultra-processed nutrient (UPF) rich | successful fats and sugars, increases nan consequence of obesity and cardiovascular diseases. Previous studies person shown that accrued depletion of non-conventional fruits could beryllium a promising strategy to combat nan adverse wellness effects of nan Western diet. Foods derived from works sources, marine organisms, and animals are typically rich | successful bioactive compounds possessing medicinal properties. For example, antioxidants tin modulate metabolic pathways progressive successful illness prevention.
The Amazon region has rich | works diversity, consisting of respective type pinch underexplored nutraceutical potential. Several type person accepted uses and phytochemical profiles pinch therapeutic and functional potential. Despite their debased productivity, galore governments person promoted their depletion owed to their wellness benefits.
Traditionally, peculiar Miconia type person been utilized to negociate pain, pharynx infections, and fever. Pourouma cecropiifolia is different Amazonian type containing polyphenols and flavonoids pinch antioxidant properties. However, nary erstwhile studies person characterized nan bioactive compounds coming successful Lacmellea oblongata, prompting much investigation to research these compounds' phytochemical and functional profiles.
About nan study
The extremity of nan coming study was to characterise bioactive compounds and measure nan antimicrobial and antioxidant imaginable of lesser-studied Amazonian fruits, i.e., Grias neuberthii, Lacmellea oblongata, Miconia crenata, Pourouma cecprofiilia, and Annona edulis. It documents grounds for their usage arsenic functional ingredients successful biotechnology, medicine, and food.
Edible consequence samples were acquired from indigenous communities successful nan state of Pastaza wrong nan Ecuadorian Amazon region. The samples were divided into 2 portions, pinch nan first utilized to find physicochemical characteristics. The tegument successful nan 2nd sample was removed and past freeze-dried to measure its antioxidant capacity, bioactive compounds, and antimicrobial activity.
Liquid chromatography was utilized to quantify ascorbic acid, integrated acids, and individual carotenoids. Antioxidant activity was quantified utilizing spectrophotometric methods. Antibacterial efficacy was evaluated utilizing a modified good diffusion method based connected nan Clinical and Laboratory Standards Institute (CLSI) guidelines. Antifungal activity was evaluated against Candida albicans and Candida tropicalis.
The study besides employed multivariate statistical tools, including main constituent study (PCA), to place correlations betwixt circumstantial bioactive compounds and their functional activities, adding extent to nan findings. PCA revealed patterns of relation betwixt peculiar bioactives, specified arsenic phenolic acids and carotenoids, and nan antioxidant aliases antimicrobial effects observed.
Study findings
Concerning physicochemical characteristics, important heterogeneity was noted successful consequence weight, ranging from 0.2 g (Miconia crenata) to 242.6 g (Annona edulis). Considerable variety was coming successful nan longitudinal and equatorial diameters, pinch nan erstwhile ranging from 9.2 mm to 112.7 mm and nan second ranging from 7.3 mm to 80.8 mm.
A precocious pH worth of 6.1 was noted successful A. edulis, while Pourouma cecropiifolia showed nan lowest pH worth astatine 4.3. Humidity varied betwixt 76.8% and 86.2%, while titratable acidity ranged betwixt 0.1% (Lacmellea oblongata) and 4.4% (M. crenata). The calcium and magnesium contented were highest successful M. crenata, while potassium was nan astir abundant mineral successful P. cecropiifolia. Sodium was astir abundant successful L. oblongata.
Grias neuberthii showed a precocious attraction of vitamin C astatine 25.4 mg/100 g of barren weight (DW). Several integrated acids were studied, including malic acid, tartaric acid, and citric acid. The sum of each integrated acids ranged betwixt 1063.6 mg/100 g DW (P. cecropiifolia) and 3887.7 mg/100 g DW (L. oblongata).
The highest carotenoid contented was noted successful G. neuberthii astatine 46.1 mg/100 g DW, while nan sum of nan awesome chlorophyll and derivative compounds ranged betwixt 0.2 mg/100 g DW successful A. edulis and 45.0 mg/100 g DW successful M. crenata. The lowest full phenol contented was noted astatine 403.2 mg/100 g DW successful A. edulis, and nan highest astatine 5064.3 mg/100 g DW successful P. cecropiifolia.
The antimicrobial activity against E. coli, S. aureus, and P. aeruginosa was highest successful M. crenata, G. neuberthii, and M. crenata, respectively. This was based connected inhibition area diameter, not conscionable MIC data. Assessing nan minimum inhibitory attraction (MIC) revealed M. crenata arsenic nan astir effective type against E. coli. For S. aureus, G. neuberthii had nan lowest MIC (10.6 mg/mL), though area of inhibition information suggested somewhat broader activity. The values for S. mutans ranged betwixt 10.4 mg/mL (L. oblongata) and 21.6 mg/mL (M. crenata). Against some C. albicans and C. tropicalis, L. oblongata showed an MIC of 20.8 mg/mL.
Conclusion
Amazonia is simply a rich | root of nutritional biodiversity for section communities. The results corroborate that Amazonian fruits are rich | successful functional bioactive compounds, which makes them promising candidates for usage successful nan biotechnology, cosmetic, food, and pharmaceutical sectors.
These findings could support sustainable improvement successful Amazonian communities, though challenges successful productivity and proviso chains must beryllium addressed. However, further research, including toxicological assessments and in vivo validation, is needed to construe these preliminary findings into commercialized aliases objective applications.
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Journal reference:
- Méndez, G. and Cerna, M. (2025) Lacmellea oblongata and Other Undervalued Amazonian Fruits arsenic Functional, Antioxidant, and Antimicrobial Matrices. Antioxidants. 14(8), 924. https://doi.org/10.3390/antiox14080924 https://www.mdpi.com/2076-3921/14/8/924