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Table 1 Correlation of specific rates qxxx with the adjusted pH values during steady state

From: Understanding cell behavior in cultivation processes - A metabolic approach

 

pH 6,9

pH 7,15

pH 7,3

qNH3

430 ± 27

243 ± 9

207 ± 19

qLac

4751 ± 298

3766 ± 143

3548 ± 325

qGlc

- 3660 ± 230

- 3302 ± 126

- 3301 ± 302

qPyr

- 155 ± 10

- 121 ± 5

-84 ± 8

qGln

- 527 ± 33

- 488 ± 19

- 484 ± 44

qAsp

- 63 ± 4

- 123 ± 5

-153 ± 14

qGlu

66 ± 4

29 ± 1

- 16 ±2

qAsn

- 17 ±1

- 42 ± 2

-45 ± 4

qSer

-91 ± 6

-198 ± 8

- 191 ± 17

qHis

- 13 ± 1

- 23 ± 1

-5 ± 1

qGly

32 ± 2

9 ± 0

7 ± 1

qThr

- 26 ± 2

61 ± 2

67 ± 6

qArg

- 39 ±2

- 97 ± 4

- 109 ± 10

qAla

101 ± 6

48 ± 2

99 ± 9

qTyr

- 10 ± 1

-29 ± 1

29 ± 2

qMet

-20 ± 1

-39 ± 2

- 40 ± 4

qVal

-37 ± 2

-79 ± 3

- 88 ± 8

qTrp

- 5 ± 0

- 8 ± 0

- 9 ± 1

qPhe

- 10 ± 1

-36 ± 1

-36 ± 3

qIle

- 35 ± 2

- 68 ± 3

- 72 ± 7

qLeu

- 63 ± 4

-111 ± 4

-122 ± 11

qLys

- 21 ± 1

- 89 ± 3

- 100 ± 9

  1. The specific rates are given in pmol cell-1 d-1. (Negative values indicate consumed metabolites.)