WO200056912-A1  DATABASE WPI Section Ch, Week 7835 Derwent Publications Ltd., London, GB; Class C03, AN 78-62818A XP002113330 & JP 53 086377 A (SHINOZAKI M), 29 July 1978 (1978-07-29);  DATABASE WPI Section Ch, Week 198249 Derwent Publications Ltd., London, GB; Class C03, AN 1982-05980J XP002143011 & JP 57 177653 A (NIPPON SHARYO SEIZO KK), 1 November 1982 (1982-11-01);  DATABASE WPI Section Ch, Week 198934 Derwent Publications Ltd., London, GB; Class D13, AN 1989-243535 XP002143010 -& ES 2 004 198 A (FORRAJES Y PROTEINA), 16 December 1988 (1988-12-16);  PATENT ABSTRACTS OF JAPAN vol. 009, no. 032 (C-265), 9 February 1985 (1985-02-09) & JP 59 179036 A (NIHON SHIYARIYOU SEIZOU KK), 11 October 1984 (1984-10-11);  DATABASE WPI Section Ch, Week 8805 Derwent Publications Ltd., London, GB; Class D13, AN 88-034533 XP002113331 & SU 1 316 644 A (MICROBIOLOGY INST), 15 June 1987 (1987-06-15);  PATENT ABSTRACTS OF JAPAN vol. 007, no. 086 (C-161), 9 April 1983 (1983-04-09) & JP 58 016691 A (KANEGAFUCHI KAGAKU KOGYO KK), 31 January 1983 (1983-01-31);  See also references of EP 1165821A1;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 032 (C-265), 9 February 1985 (1985-02-09)&JP 59 179036 A (NIHON SHIYARIYOU SEIZOU KK), 11 October 1984 (1984-10-11);  DATABASE WPI Section Ch, Week 7835 Derwent Publications Ltd., London, GB; Class C03, AN 78-62818A XP002113330&JP 53 086377 A (SHINOZAKI M), 29 July 1978 (1978-07-29);  DATABASE WPI Section Ch, Week 8805 Derwent Publications Ltd., London, GB; Class D13, AN 88-034533 XP002113331&SU 1 316 644 A (MICROBIOLOGY INST), 15 June 1987 (1987-06-15);  PATENT ABSTRACTS OF JAPAN vol. 007, no. 086 (C-161), 9 April 1983 (1983-04-09)&JP 58 016691 A (KANEGAFUCHI KAGAKU KOGYO KK), 31 January 1983 (1983-01-31);  DATABASE WPI Section Ch, Week 198934 Derwent Publications Ltd., London, GB; Class D13, AN 1989-243535 XP002143010 -&ES 2 004 198 A (FORRAJES Y PROTEINA), 16 December 1988 (1988-12-16);  DATABASE WPI Section Ch, Week 198249 Derwent Publications Ltd., London, GB; Class C03, AN 1982-05980J XP002143011&JP 57 177653 A (NIPPON SHARYO SEIZO KK), 1 November 1982 (1982-11-01)EP1165821-A1  See references of WO 0056912A1;  BLOM L. ET AL: 'Determination of available lysine in foods.' ANALYTICAL BIOCHEMISTRY DEC 1967 vol. 21, no. 3, December 1967, pages 382 - 400, XP024819999 ISSN: 0003-2697;  BRUYNEEL B. ET AL: 'Control of yeasts and ethanol formation during non axenic fed batch fermentation of maize' MICROBIOLOGIE ALIMENTS NUTRITION vol. 7, no. 2, 1989, pages 151 - 155, XP009126434 ISSN: 0759-0644;  PANASIUK R. ET AL: 'Determination of alpha-amino nitrogen in pea protein hydrolysates: A comparison of three analytical methods' FOOD CHEMISTRY vol. 62, no. 3, July 1998, pages 363 - 367, XP009116525 ISSN: 0308-8146;  THOMPSON R.C. ET AL: 'A study of the urinary excretion of alpha-amino nitrogen and lysine by humans.' THE JOURNAL OF BIOLOGICAL CHEMISTRY vol. 185, no. 2, August 1950, pages 625 - 628, XP009116522 ISSN: 0021-9258;  See also references of WO 0056912A1