
They launched Karoyaka Junmai, with 20% less calories and 30% less carbohydrate, in 2004, followed by a product with 85% less carbohydrate in 2008. In response to continuing demand, they released Tōshitsu Zero in 2008, and continue to improve their brewing technique for this specialised product. The process has also generated new techniques and patents, including a method for carbohydrate super-digestion in 2011 and a method for producing short aftertaste in 2015.
A Datamonitor case study from May 2009 on the popularity of “low” or “zero” health-conscious marketing in Japan and other countries notes that Japan brought in a new health check for metabolic syndrome in April 2008, aimed at preventing lifestyle diseases such as diabetes. The introduction of the new test also coincided with lots of “healthier” beers being released by major Japanese brewers. New styles of beer and beers with lower malt content are taxed at a lower rate, which can be passed on to the consumer in the form of a less expensive and therefore more competitive product. (Although they’re also not legally “beer” in some cases.) Consumers still rate taste as more important than any health benefits, but improved brewing technique has made these new brews taste as good as traditional ones.
However, there is a lot of disagreement on whether these drinks are healthy. They still contain alcohol, which is where the calories are coming from.
I don’t have a massive knowledge of labelling/advertising laws in Japan, so I’m not sure if Tōshitsu Zero really has no carbohydrates at all – there may be a limit under which you can call something “zero carb” (implied by the Datamonitor case study) or it may depend on how you define “carbohydrate”.
Links
- Original article (Japanese, NicoNico News, 30 July 2018)
- Gekkeikan Tōshitsu Zero product page (Japanese)
- Datamonitor Japanese healthy beer/brews case study (English) Discussion of low-carb sake on page 12.