1. A.O.A.C . 1984 . "Official Methods of Analysis ," 14th ed. , 43.064, p.844 . Association of Official Analytical Chemists, Washington, DC.
2. A. Brudzynski, and E. Zawidzka-Okoniewska, 1979 . Changes in factors determining darkening of potatoes in relation to temperature and duration of storage . Akademii Rolniczej w Warszawie, Technologia Rolno-Spozywcza. No. 13, 91. (In Food Science & Technology Abstracts 81-01-10125).
3. Detection and Control of Soymilk Astringency