> The two most common oils in Japan are canola and soybean, and that's also historically been the case
Umm, canola oil has only been available since the 70s. Even rapeseed oil has only been used since the 50s (it is toxic and unpalatable without modern industrial processing, as are many seed oils).
Umm, canola oil has only been available since the 70s. Even rapeseed oil has only been used since the 50s (it is toxic and unpalatable without modern industrial processing, as are many seed oils).