Jasmine has been cultivated and prized across South and Southeast Asia, China, and the Middle East for its distinctive fragrance for millennia, used in Ayurvedic medicine (where it's called jatipushpa, described in the ancient Charaka Samhita as pleasure-giving) and in Chinese herbal traditions and tea culture. Jasmine-scented green tea developed from the practice of layering fresh jasmine flowers with tea leaves to transfer their fragrance.
Jasmine's traditional reputation as a calming, mood-elevating scent has driven a body of modern research into its potential physiological effects when inhaled.
Jasmine has real, measurable human physiological evidence for calming effects when inhaled. Studies using objective measures — heart rate variability and EEG brainwave activity — have found jasmine inhalation shifts the body toward a parasympathetic ("rest and relaxation") state and increases frontal alpha wave activity associated with reduced anxiety. A small pilot clinical study (30 patients) found jasmine essential oil inhalation reduced scores on a standard anxiety rating scale over 10 days.
The honest limitations: these studies are consistently small-scale, and several notable positive findings for broader uses tested jasmine only as part of an aromatherapy blend combined with lavender, rose, and other oils — not jasmine in isolation. The anxiety pilot study lacked a placebo control group. Given genuine, physiologically-measured calming effects in small human studies, but consistently small sample sizes, "Limited" is the accurate rating.
Flowers used fresh for scenting tea, distilled into essential oil for aromatherapy, or infused into oils for topical use.