noun
alginic acid
A polysaccharide found in brown algae; used as a thickener and stabilizer in food and pharmaceuticals.
アルギン酸は海藻から抽出される多糖類の一種です。
Alginic acid is a type of polysaccharide extracted from seaweed.
From English 'alginic acid', itself derived from 'alga' (seaweed).