Cold brew refers to brewing something in cold or room-temperature water. It may refer to:
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Cold brew tea refers to the process of steeping tea in cold or room temperature water for an extended period of time. The process brews the tea leaves slowly, using time rather than temperature to release the flavors.
The ratio of tea to water is typically 40% tea to 60% water depending on the desired strength. Cold brewing requires a much higher quantity of tea to ensure that enough flavor is extracted into the water. The steeped tea is usually left to brew in room temperature or refrigeration for 16–24 hours.
Cold brewed white tea is shown to have higher amounts of antioxidants when compared to hot brewed.