Often overlooked in favor of their vibrant, edible flowers, the “fruits” or seed pods of the nasturtium (Tropaeolum majus) are one of the garden’s best-kept secrets. While the plant is famous for its aesthetic beauty, its seeds are concentrated capsules of flavor and chemistry. In historical herbalism, they were revered as a “poor man’s medicine cabinet,” and in the kitchen, they offer a sophisticated, pungent punch that rivals expensive imports.
The Biological “Power” of the Seed
The potency of the nasturtium seed comes from glucosinolates. When the seed is crushed or chewed, these compounds react to create volatile mustard oils. This isn’t just for flavor; it is the plant’s natural defense mechanism, and it happens to be highly beneficial for human health.
- The Herbal Antibiotic
Nasturtium seeds contain a specific compound known as benzyl isothiocyanate. Research has shown this compound to have broad-spectrum antimicrobial properties. Unlike synthetic antibiotics that can
