Brewing the perfect cup of tea is about more than flavour – it’s a delicate blend of ritual, comfort and chemistry. According to chemistry professor Michelle Francl, author of
Steeped: The Chemistry of Tea, every cup is packed with hundreds of compounds that influence its taste, aroma, and health benefits.
While Francl’s book explores the molecular makeup of traditional teas like black and green, Rooibos offers its own fascinating profile. Unlike
Camellia sinensis, which contains caffeine and other stimulants, Rooibos is naturally caffeine-free and instead produces trigonelline – an alkaloid also found in coffee that may help regulate blood sugar.
This gives Rooibos its signature calm, smooth character. It’s also lower in tannins, making it less astringent and naturally sweeter. Like all teas and tisanes, Rooibos contains aromatic compounds such as linalool and geraniol, responsible for its floral, fragrant notes – strongest when freshly brewed.
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here to find out how she suggests you brew the perfect cup of Rooibos.