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Table 3 Cost comparison of our medium and reported medium

From: Optimization of an economical medium composition for the coculture of Clostridium butyricum and Bacillus coagulans

Input

Price

Reported MediumQ

Newly designed medium

(USD/Kga)

(g/Lb)

(USD/Lc)

(g/L)

(USD/L)

Glucose

249

2.44

0.608

Yeast extract

224

2.08

0.466

Tryptone

448

1

0.045

(NH4)2SO4

175

0.1

0.018

NaHCO3

142

0.1

0.014

MnSO4·H2O

151

0.02

0.003

0.5

0.0755

MgSO4·7H2O

75

0.02

0.0015

CaCl2

161

0.002

0.0003

Bran

0.255

 

10

0.00255

Corn steep powder

0.413

 

15

0.006195

Peptone

0.295

 

15

0.004425

K2HPO4

320

 

1

0.32

Total (USD/L)

1.1558

0.40867

  1. Q: Formula reported by Qing Kong et al
  2. aCost of each component was calculated based on Sigma-Aldrich prices (accessed on December 2020)
  3. bAmount of component (g) per liter of medium
  4. cCost of component per liter of medium