Anti-Aging and Longevity Effects of Terminalia catappa Ripe Fruit Extract in in D-Galactose-Induced Aging in Drosophila melanogaster (Fruit Flies) Model
DOI:
https://doi.org/10.56919/usci.2652.011Keywords:
Drosophila melanogaster, Terminalia catappa, Anti-aging, Longevity, Negative Geotaxis, Emergence, Telomerase, Caspases 3and 9Abstract
Aging is a natural phenomenon brought on by the progressive decline of biological and physiological processes. This study aims to evaluate the anti-aging and longevity effects of Terminalia catappa ripe fruit aqueous extract on D-galactose-induced aging in a Drosophila melanogaster model. An acute toxicity study was carried out, and the flies were grouped into six (6) groups, each in triplicate, with 20 flies per vial for both sexes, and treated with 100, 250, 500, 750, and 1000 mg, and a Normal control/10g diet. The result shows that mortality recorded in the group of flies fed with 100, 250, 500, 750, and 1000 mg/10g of fortified diet was insignificant (p<0.05) compared to the normal control, indicating that the dosages are safe. The survival rate, negative geotaxis (locomotor activity), and eclosion (emergence) assays were carried out in triplicate with the vials containing 50 flies of both sexes. A notably high emergence rate was observed in the treated flies after 10 days, and high locomotor activity was also observed, suggesting the effectiveness of the extract. Biochemical markers of aging, such as telomerase and caspase 3 and 9 assays, were determined using colourimetric methods. There was a dose-dependent effect of the aqueous ripe fruit extract on lifespan, caspases 3 and 9, and telomerase, due to its ability to modulate the oxidative stress resistance pathway, thereby supporting its anti-aging and longevity effects. Therefore, the aqueous extract of ripe T. catappa fruits has anti-aging effects.
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