保质期9999天，COSTA茶叶越陈越香？客服回应

Group 1 - The core point of the article discusses the shelf life of Pu-erh tea sold by COSTA, which was reported to be 100 years, but the product has since been taken down from their official flagship store [1] - A different e-commerce platform still lists Pu-erh tea from COSTA with a shelf life of 9999 days, equivalent to over 27 years [1] - Customer service initially stated that Pu-erh tea can be stored for 3 to 5 years, depending on the storage environment, and emphasized the importance of proper storage conditions to prevent spoilage [1] Group 2 - COSTA, founded in 1971 in London, was acquired by The Coca-Cola Company in 2019, which led to the introduction of ready-to-drink coffee and milk tea products under the COSTA brand [1]