noun🔗ShareサポニンAny of various steroid glycosides found in plant tissues that dissolve in water to give a soapy froth."When Sarah soaked the quinoa before cooking it, she noticed a layer of foamy bubbles on the water's surface, likely caused by saponins naturally present in the grains. "サラがキヌアを調理前に浸したとき、穀物に含まれるサポニンが原因で、水面に泡状の泡の層があることに気づいた。compoundsubstancechemistryplantbiochemistryChat with AIVocabulary GamePractice Reading