1. Oxidation of phenols with the polyphenoloxidase from apples;Azizov;Izv. Vysshikh. Vchebn. Zsuendenii. Pishchevaya Techknol.,1964
2. Purification of phenol oxidases;Bendall,1963
3. Studies on inhibition of tyrosinase;Kull;Proc. Soc. Exptl. Biol. Med.,1954
4. Condensation of (+) – catechin with phloroglucinol;Mayer,1959
5. Ascorbic acid oxidation and browning in apple tissue extracts;Ponting;Arch. Biochem.,1948