Acupuncture, Health, Wellness, and Chinese Medicine Resource
Each element is associated not only with a season, but with a whole set of correspondences, including a taste.
The taste belonging to the Metal element is pungent, a strong, acrid flavor. "Anything pungent is said to scatter qi." Examples include: garlic, cinnamon, and ginger.
Food with these flavors are used to keep illness at bay or when a cold or flu is first setting it because they disperse qi and pathogens. They often cause sweating which is one means of dispelling an illness at the initial stages.