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Table 2 Composition of growth medium and production medium used for arnebia cell suspension culture.

From: Expression of 3-hydroxy-3-methylglutaryl-CoA reductase, p-hydroxybenzoate-m-geranyltransferase and genes of phenylpropanoid pathway exhibits positive correlation with shikonins content in arnebia [Arnebia euchroma (Royle) Johnston]

S. No.

Constituents

Concentration (mgl-1)

  

Growth medium

Production medium (M9)

1.

CaCl2.2H2O

440.0

--

2.

Ca(NO3)2.7H2O

--

694.0

3.

NH4NO3

1650.0

--

4.

MgSO4.7H2O

370.0

750.0

5.

KH2PO4

170.0

--

6.

KNO3

1900

80.0

7.

Na2EDTA.2H2O

37.2

19.0

8.

Na2SO4

--

1480.0

9.

FeSO4.7H2O

27.8

27.8

10.

Na2MoO4.2H2O

0.25

--

11.

H3BO3

6.2

4.5

12.

CoCl2.6H2O

0.025

--

13.

CuSO4.5H2O

0.025

0.3

14.

ZnSO4. 7H2O

8.6

3.0

15.

KCl

--

65.0

16

MnSO4.H2O

16.9

--

17.

KI

0.83

--

18.

Mesoinositol

100

--

19.

Glycine

2.0

--

20.

Nicotinic acid

0.5

--

21.

Pyridoxine HCl

0.5

--

22.

Thiamine HCl

0.11

--

23

Sucrose

30000

30000

24.

6-Benzyl amino-purine (BAP)

10.0 μM

--

25

Indole-3-butyric acid (IBA)

5.0 μM

--

  1. Growth medium is referred to as low shikonins production system (LSPS), whereas production medium constitutes high shikonins production system (HSPS)