Table 1 Composition and nutrient concentration of SM. Concentrations in g l⁻¹

Carbon sources

Sucrose

144

Glucose

18

Fructose

18

Nitrogen sources

Peptone^a

4.9

(NH₄)₂SO₄

0.1

(NH₄)₂HPO₄·4H₂O

1.42

Organic acids

Trans-aconitic acid

2

l-malic acid

1

Citric acid

0.01

Mineral salts

NaCl

0.5

MgSO₄·7H₂O

1.002

CaCl₂·2H₂O

0.06712

KCl

0.012

MnSO₄·H₂O

0.0004

ZnSO₄·7H₂O

0.0004

FeCl₃·6H₂O

0.017

Na₂MoO₄·H₂O

0.031

KI

0.012

CuSO₄·5H₂O

0.0004

H₃BO₃

0.0005

Vitamins

Inositol

0.01

Nicotinic acid

0.01

Calcium pantothenate

0.001

Biotin

0.00001

Pyridoxine hydrochloride

0.00004

Thiamine hydrochloride

0.00004

Para-aminobenzoic acid

0.002

Ergosterol

2 ml^b