This is mizu ame, (more technically: kome ame 米飴). Made in the traditional method by taking glutinous rice mixed with malt and let the natural enzymatic process take place, converting the starch to syrup. 200g of syrup are about the same as 600g of rice flakes (200g=676kcal). This is a great addition to lighten up a pilsner style beer. Make your own (and better) super dry!