
Can coffees from vending machines are very popular in Japan. Here are there from Coca Cola. A fair trade coffee, a double barista champion and a European strong/mildly sweetened coffee.
This 3rd category beer uses 4-vinyl guaiocol which is either an off flavor or a flavor enhancer depending upon the product and your taste buds. Asahi claims this is an essential component of German Weizen beer, although they then clarify it is not beer (to maintain the non-beer tax status).