Table 2.

Effect of omission of amino acids from SCDM on the growth rates of L. helveticus CRL 974 and CRL 1062

Omitted amino acid(s)Growth ratesa of:
CRL 974CRL 1062
Ala9458
Arg00
Asn10095
Asp9897
Cys100100
Gln10095
Glu00
Gly10060
His00
Ile00
Leu00
Lys091
Met00
Phe00
Pro00
Ser035
Thr00
Trp00
Tyr00
Val00
Phe, Trp, Tyr00
Ser, Gly, Cys030
Gln, Glu, Pro, Arg00
Thr, Lys, Asn, Met, Asp00
Ile, Leu, Val00
  • a Growth rates are expressed as a percentage of the maximum growth rate obtained in SCDM. Maximum growth rates were 0.28 and 0.34 h−1 for L. helveticusCRL 974 and CRL 1062, respectively. Values are the averages of three independent experiments.