Amino Acid Protein Calculator

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Romaine Lettuce
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  • Calories 8 0% DV
  • Protein 0.6g 1% DV
  • Carbs 1.5g 1% DV
  • Fat 0.1g 0% DV
  • Fiber 1g 4% DV
  • Sugar 0.6g 1% DV
  • Amino Acid Score 2%
  • Lysine / Arginine 1.2
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 1% RDI 3mg
  • Histidine 1% RDI 10mg
  • Isoleucine 2% RDI 21mg
  • Leucine 1% RDI 36mg
  • Lysine 1% RDI 30mg
  • Methionine 1% RDI 7mg
  • Phenylalanine 3% RDI 31mg
  • Threonine 2% RDI 20mg
  • Tryptophan 2% RDI 5mg
  • Tyrosine 1% RDI 12mg
  • Valine 1% RDI 26mg
Protein Comparison Table

Table Legend

  1. Romaine Lettuce
-- = missing data
Amino Acids
Food # 1 Total
Weight (g) 47 47
Essential  
Histidine (mg)
(%RDI)
10
(1%)
10
(1%)
Isoleucine (mg)
(%RDI)
21
(2%)
21
(2%)
Leucine (mg)
(%RDI)
36
(1%)
36
(1%)
Lysine (mg)
(%RDI)
30
(1%)
30
(1%)
Methionine (mg)
(%RDI)
7
(1%)
7
(1%)
Phenylalanine (mg)
(%RDI)
31
(3%)
31
(3%)
Threonine (mg)
(%RDI)
20
(2%)
20
(2%)
Tryptophan (mg)
(%RDI)
5
(2%)
5
(2%)
Valine (mg)
(%RDI)
26
(1%)
26
(1%)
Conditional  
Arginine (mg) 25
25
Cystine (mg)
(%RDI)
3
(1%)
3
(1%)
Glycine (mg) 23
23
Proline (mg) 21
21
Tyrosine (mg)
(%RDI)
12
(1%)
12
(1%)
Non-Essential  
Alanine (mg) 26
26
Aspartic acid (mg) 65
65
Betaine (mg) 0
0
Glutamic acid (mg) 84
84
Hydroxyproline (mg) --
0
Serine (mg) 24
24
Lysine to Arginine Ratio of All Selected Foods: 1.2
Data Source
Romaine Lettuce
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.