RRI.CO.ID, Jakarta - Guava (Psidium guajava) is one of Indonesia’s most nutritious tropical fruits, recognized for its exceptionally high vitamin C content and abundance of antioxidant compounds. The fruit and leaves contain flavonoids, carotenoids, tannins, lycopene, and phenolic compounds that contribute to various biological activities.
A study published in the journal Food Chemistry reported that guava contains high levels of phenolic compounds and antioxidants compared with many common fruits. These compounds contribute to protection against oxidative stress and support the development of functional food products.
One of the most recognized benefits of guava is its vitamin C content, which plays an important role in collagen synthesis, immune system function, and antioxidant defense. This makes guava valuable for both nutritional and skin health applications.
Guava leaves have also attracted scientific attention due to their traditional use in herbal preparations. Research has investigated guava leaf extracts for antimicrobial and digestive-related applications, particularly due to their tannin and flavonoid content.
In cosmetic development, guava-derived ingredients are being explored as natural sources of antioxidants. Vitamin C and plant polyphenols from guava may contribute to formulations designed to protect skin from environmental stress and support healthier skin appearance.
Although guava is considered safe as a food, concentrated leaf extracts should be used carefully. Further clinical research is needed to determine standardized doses and confirm specific therapeutic effects.
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