Formulation of Lycopene Based Emulgel from Watermelon and Evaluation of Anti-inflammatory Activity on Wister Rats

An adverse stimulus’s biological reaction is inflammation and a key factor in the pathogenesis of various diseases. Lycopene, a potent antioxidant found abundantly in watermelon (Citrullus lanatus), has demonstrated significant anti-inflammatory properties. This study aims to formulate a lycopene-based emulgel from watermelon and assess its anti-inflammatory properties in Wistar rats.

Lycopene was extracted from watermelon. A stable emulgel formulation was developed, combining the benefits of emulsions and gels for effective topical delivery. Using well-established experimental models, the emulgel’s anti-inflammatory effectiveness was accessed.

Results indicated that the lycopene-based emulgel significantly reduced inflammation in treated rats, as evidenced by decreased edema and reduced levels of pro-inflammatory cytokines. The mechanisms underlying these effects include the antioxidant activity of lycopene, inhibition of pro-inflammatory cytokines, suppression of the NF-κB pathway, and modulation of enzymatic activity. Additionally, the emulgel formulation ensured enhanced skin penetration and localized action, maximizing therapeutic efficacy while minimizing systemic exposure.

In conclusion, the lycopene-based emulgel formulated from watermelon exhibits promising anti-inflammatory activity and offers a potential therapeutic approach for managing inflammatory conditions. Further studies are warranted to explore its clinical applications and long-term safety.