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Table 6 Amino acid compositions of yeast sludge biomass generated in each treatment process with shochu wastewater

From: Treatment of, and Candida utilis biomass production from shochu wastewater; the effects of maintaining a low pH on DOC removal and feeding cultivation on biomass production

Amino acid

Repeated-batch cultivation

Fed-batch cultivationa

(% of crude protein)

Barley

Barley

Sweet-potato

Sweet-potato

Barley

Mixed

 

IFO1086

UNA1

IFO1086

UNA1

UNA1

UNA1

Arginineb

4.47

4.32

4.58

4.06

4.76

5.19

Glycine

4.32

4.29

4.76

4.41

4.13

4.53

Histidineb

2.49

2.12

2.02

1.73

2.48

2.23

Isoleucineb

3.91

3.93

4.11

4.08

3.87

4.10

Leucine

3.87

4.07

5.29

5.84

3.96

4.64

Lysineb

0.56

0.89

3.73

5.21

0.76

2.21

Methionineb

0.97

0.77

1.55

1.37

2.27c

1.99c

Phenylalanineb

8.21

7.64

6.41

4.96

7.83

6.99

Tyrosine

4.73

4.21

2.37

1.96

4.46

4.01

Valineb

3.87

3.91

4.90

4.93

4.00

4.53

Serine

3.97

4.01

5.14

5.17

4.17

4.84

Alanine

1.87

2.34

2.99

3.73

2.06

2.47

Aspartic acid

2.02

2.52

3.47

4.5

2.15

2.87

Glutamic acid

3.98

4.66

5.83

7.09

4.17

4.95

Proline

13.04

12.74

5.60

3.92

12.50

7.40

Threonineb

5.12

5.05

5.76

5.54

4.93

5.54

  1. These experiments were conducted in triplicate.
  2. apH value was controlled at 5.0 with H2SO4.
  3. bEssential amino acids.
  4. cSignificantly different from repeated-batch cultivation (p < 0.05) by t-test.
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