Tagged: rare earth elements
Article · science
What Steeping Time Does to the Metals in Your Oolong
A 2025 study of 108 oolongs varied brewing time and temperature directly. Time drove leaching. Temperature did something stranger, and it was not uniform.
Article · Regions & Origin
China Deleted Its 26-Year Rare-Earth Standard for Tea
In 2012, Anxi farmers were caught spraying rare-earth fertilizer to force faster growth on cheap tea. In 2017, China deleted the food-safety standard that had caught them, after concluding tea itself carries the element naturally, oolong more than any other kind.