International Fruit Juice Union (IFU) Colour

Developed in Europe for grading the colour of fruit juices and concentrates with a yellow/amber colour such as apple, pear and white grape. Colour values range from 1 to 25 as follows: Discs 4/48 range 1-9 IFU, 4/49 9-17 IFU and 4/50 17-25 IFU.