Table 2.

Amounts of aromatic amino acids produced by M. blollopis SK-4 and TKG1-2 at various times at −3°C and 10°C.

	M. blollopis SK-4							M. blollopis TKG1-2
	control	−3°C			10°C			control	−3°C		10°C
	0 h	24 h	48 h	72 h	24 h	48 h	72 h	0 h	24 h	72 h	24 h	72 h
histidine (pmol/OD600 ml)	33	167	989	1,371	94	63	56	126	71	301	130	86
phenylalanine (pmol/OD600 ml)	30	51	111	199	117	84	47	26	27	77	11	9.5
tryptophan (pmol/OD600 ml)	2.3	5.7	7.9	9.2	5.9	4.4	3.3	3.6	3.2	4.3	1.4	1.8
tyrosine (pmol/OD600 ml)	6.2	21	45	52	24	13	8.6	9.9	9.3	20	4.6	4.1