I was trying to figure out what a tiffin was, after looking at tiffin boxes and bento boxes on a website. I ran across a Japanese Government nutrition guide and thought it was interesting when compared to the US Govt food pyramid.
Here is a link if y'all are interested: http://www.mhlw.go.jp/bunya/kenkou/pdf/eiyou-syokuji5.pdf
Here is a link if y'all are interested: http://www.mhlw.go.jp/bunya/kenkou/pdf/eiyou-syokuji5.pdf