Amino acid contents (g/100g dry weight)

Organic soil culture

Hydroponic culture

Natural sun light

Artificial sun light

1% collagen water solution

Liquid fertilizer

Arginine

1.40

0.89

1.61

1.35

Lysine

1.54

1.04

1.71

1.53

Histidine

0.54

0.39

0.61

0.55

Phenylalanine

1.28

0.90

1.29

1.24

Tyrosine

0.91

0.61

0.91

0.83

Leucine

1.98

1.38

2.02

1.93

Isoleucine

1.01

0.69

1.06

1.00

Methionine

0.49

0.31

0.52

0.47

Valine

1.39

0.95

1.57

1.37

Alanine

1.64

1.10

2.01

1.71

Glycine

1.32

0.93

1.50

1.39

Proline

1.17

0.81

1.18

1.12

Glutamic acid

2.62

1.66

6.99

2.93

Serine

1.10

0.73

1.39

1.05

Threonine

1.16

0.79

1.27

1.12

Aspartic acid

2.27

1.55

7.30

2.80

Tryptophan

0.58

0.36

0.51

0.48

Cystine

0.32

0.20

0.40

0.32

Total amino acid

22.72

15.29

33.85

23.19