Dietary fiber plus acid.
Ashinano, Hitoshi. 1998. Yokohama Kaidashi Kikou. Chapter 33. Vol. 5, Page 19, Panel 2.
'Tokoroten' is a dish of thin translucent jelly strips. It is served cold and eaten with vinegar-based dressing. It is a snack rather than a meal.
Tokoroten is made from agar, also known as kanten. Agar contains a substantial amount of dietary fiber and no calories. Unlike gelatin, agar does not contain animal protein.
(Traditional stick kanten, freeze-dried tokoroten)
(Modern powdered kanten)
Agar is made from some species of marine plant. They are called tengusa in Japanese. One of them, makusa (Gelidium amansii) is the most common species for making tokoroten. Makusa is a red alga and it turns yellow when it is dried in the sun.
(Makusa displayed at Kannonzaki Nature Museum)
(Makusa being dried in the sun, Jogashima island)
Alpha mentions mitsumame in chapter 45. It is also made from agar.
'Mitsumame' is a kind of dessert made of agar cubes instead of strips and eaten with sweet syrup instead of sour vinegar.
I wonder why Alpha chooses tokoroten over mitsumame. She loves sweet things, doesn't she?
Agar and vinegar are essential for the health of robot people, I guess. What do you think about it, guys?
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YKK - Behind the Panels > Tokoroten
2005-03-29/2011-09-17 KIMOTO Go