Food and Drug Regulations

B.11.125 [S]. Grapefruit Juice

• (a) shall be fruit juice obtained from clean, sound, mature grapefruit;

• (b) shall

  • (i) contain not less than 1.15 milliequivalents of free amino acid per 100 millilitres, as determined by official method FO-21, Determination of Amino Acids in Grapefruit Juice and Orange Juice, October 15, 1981,

  • (ii) contain not less than 70 milligrams of potassium per 100 millilitres, as determined by official method FO-22, Determination of Potassium in Grapefruit Juice and Orange Juice, October 15, 1981, and

  • (iii) have an absorbance value for total polyphenolics of not less than 0.310, as determined by official method FO-23, Determination of Absorbance Value for Total Polyphenolics in Grapefruit Juice and Orange Juice, October 15, 1981;

• (c) shall, before the addition of sugar, invert sugar, dextrose or glucose solids,

  • (i) have a Brix reading of not less than 9.3°, as determined by official method FO-24, Determination of Brix Reading for Grapefruit Juice and Orange Juice, October 15, 1981, and

  • (ii) contain not less than 0.7 per cent and not more than 2.1 per cent of acid by weight calculated as anhydrous citric acid, as determined by official method FO-25, Determination of Acid in Grapefruit Juice or Orange Juice, October 15, 1981; and

• (d) may contain sugar, invert sugar, dextrose in dry form, glucose solids, a Class II preservative, amylase, cellulase and pectinase.