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Table 5 The essential and non-essential amino acid of S. platensis protein in SZM and optimized medium

From: Filter cake extract from the beet sugar industry as an economic growth medium for the production of Spirulina platensis as a microbial cell factory for protein

Essential amino acid

SZM (%)

Optimized (%)

Non-essential amino acid

SZM (%)

Optimized (%)

Threonine (THR)

4.18

4.99

Glutamic (GLU)

14.26

14.65

Valine (VAL)

5.4

5.71

Aspartic (ASP)

9.11

9.5

Isoleucine (ISO)

5.21

5.4

Glycine (GLY)

4.6

4.96

Leucine (LEU)

8.16

8.36

Alanine (ALA)

6.49

6.96

Phenylalanine (PHE)

4.65

4.93

Tyrosine (TYR)

1.67

2.67

Histidine (HIS)

1.78

1.62

Arginine (ARG)

5.93

6.16

Lysine (LYS)

4.48

4.57

Proline (PRO)

3.54

3.82

Methionine (MET)

3.12

3.15

Cystine (CYS)

0.31

1.67

TEAA

36.98

38.73

Serine (SER)

3.2

3.87

  1. TEAA total essential amino acids, SZM standard Zarrouk medium