also: ようそか
iodine value; iodine number
A measure of the unsaturation of fats and oils, expressed as the grams of iodine absorbed by 100 g of the substance. Used in chemistry and food science.
Please measure the iodine value of this oil.
A higher iodine number indicates more unsaturated fatty acids.
Standard modern spelling using the preferred kanji ヨウ素 for iodine.
Older spelling using the kanji 沃素 for iodine; now largely replaced by ヨウ素価.
Compound of ヨウ素 (yōso, 'iodine') and 価 (ka, 'value'), a calque of the English term 'iodine value'.