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Flaxseed vs chia seed (per 100 gms edible portion)

Scientific Names:   Flax – Linum usitatissimum,  Chia – Salvia hispanica L.

How do flaxseed vs chia seed compare?

Nutrient Units flax chia
Proximates
Water
g
8.75
4.90
Energy
kcal
492
525
Energy
kj
2059
2194
Protein
g
19.50
20.70
Total lipid (fat)
g
34.00
30.75
Carbohydrate, by difference
g
34.25
43.85
Fiber, total dietary
g
27.9
33.7
Ash
g
3.50
4.87
Minerals
Calcium, Ca
mg
199
631
Iron, Fe
mg
6.22
6.50
Magnesium, Mg
mg
362
466
Phosphorus, P
mg
498
948
Potassium, K
mg
681
160
Sodium, Na
mg
34
19
Zinc, Zn
mg
4.17
3.49
Copper, Cu
mg
1.041
0.188
Manganese, Mn
mg
3.281
2.167
Selenium, Se
mcg
5.5
Vitamins
Vitamin C, total ascorbic acid
mg
1.3
<1.0
Thiamin
mg
0.170
Riboflavin
mg
0.160
0.20
Niacin
mg
1.400
Pantothenic acid
mg
1.530
Vitamin B-6
mg
0.927
0.10
Folate, total
mcg
278
Folic acid
mcg
0
Folate, food
mcg
278
Folate, DFE
mcg_DFE
278
Vitamin B-12
mcg
0.00
Vitamin A, IU
IU
0
10
Retinol
mcg
0
Vitamin A, RAE
mcg_RAE
0
Vitamin E (alpha-tocopherol)
mg
0.32
Lipids
Fatty acids, total saturated
g
3.196
3.176
4:0 – Butyric
g
0.000
6:0 – Caproic
g
0.000
8:0 – Caprylic
g
0.000
10:0 – Caproic
g
0.000
12:0 – Lauric
g
0.000
14:0 – Myristic
g
0.000
0.30
15:0 –
g
0.30
16:0 – Palmitic
g
1.802
2.025
17:0 – Margaric
g
0.63
18:0 – Stearic
g
1.394
0.903
20:0 – Arachidic
g
0.000
0.93
22:0 – Behenic
g
0.000
0.32
Fatty acids, total monounsaturated
g
6.868
2.115
14:1 – Physeteric
g
0.30
16:1 undifferentiated – Palmitoleic
g
0.000
0.031
17:1 –
g
0.000
18:1 undifferentiated – Oleic
g
6.868
2.007
20:1 – Gondoic
g
0.000
0.046
22:1 undifferentiated – Erucic
g
0.000
Fatty acids, total polyunsaturated
g
22.440
23.335
18:2 undifferentiated – Linoleic
g
4.318
5.785
18:3 undifferentiated – Linolenic
g
18.122
17.55
18:4 – Stearidonic
g
0.000
20:4 undifferentiated – Arachidonic
g
0.000
0.10
20:5 n-3 – Eicosapentaenoic (EPA)
g
0.000
0.000
22:5 n-3 – Docosapentaenoic (DPA)
g
0.000
0.000
22:6 n-3 – Eocosahexaenoic (DHA)
g
0.000
0.000
Cholesterol
mg
0
0
Other
Lignans
mg/g
0.8-3.7
Caffeine
mg
0
Theobromine
mg
0
Antioxidants
Nonhydrolized
     Caffeic acid
mol
0.66 x 10 -3
     Chlorogenic acid
mol
0.71 x 10 -3
Hydrolized
     Myricetin
mol
0.31 x 10 -3
     Quercetin
mol
0.02 x 10 -3
     Kaempferol
mol
0.11 x 10 -3
     Caffeic acid
mol
1.35 x 10 -3
Amino Acids (as grams/100 gm protein)
Alanine
gm/100gm
4.4
4.4
Arginine
gm/100gm
9.2
9.9
Aspartic acid
gm/100gm
9.3
7.6
Cystine
gm/100gm
1.1
1.5
Glutamic acid
gm/100gm
19.6
15.0
Glycine
gm/100gm
5.8
4.2
Histidine
  gm/100gm 
2.2
2.6
Isoleucine
gm/100gm
4.0
3.2
Leucine
gm/100gm
5.8
5.9
Lysine
 gm/100gm
3.9
4.4
Methionine
 gm/100gm
1.5
0.4
Phenylalanine
gm/100gm
4.6
4.8
Proline
 gm/100gm
3.5
4.4
Serine
gm/100gm
4.5
4.4
Threonine
  gm/100gm 
3.6
3.4
Tryptophan
 gm/100gm
1.8
1.3
Tyrosine
gm/100gm
2.3
2.8
Valine
  gm/100gm 
4.6
5.2

NOTE: dashes shown where data is unavailable or analyses have not been done

Data Sources:

Flaxseed:
1.  https://www.nal.usda.gov/fnic/foodcomp
Note: per USDA Nutrient Database, up to 12 percent flax seed can safely be used as an ingredient in food
2.  The Flax Council of Canada. 2002. The nutritional analysis of flaxseed, from: www.flaxcouncil.ca

Chia seed:
1.  https://www.nal.usda.gov/fnic/foodcomp
2.  Ayerza, R. and W. Coates. 1999. An omega-3 fatty acid enriched chia diet: its influence on egg fatty acid composition, cholesterol and oil
content. Can. J. Anim. Sci. 79:53-58.
3.  Bushway, A.A., P.R. Belya, and R.J. Bushway. 1981. Chia seed as a source of oil, polysaccharide, and protein. J. Food Sci. 46:1349-1356.
4.  Taga, M.S., E.E. Miller, and D.E. Pratt. 1984. Chia seeds as a source of natrual lipid antioxidants. J. Am. Oil Chem. Soc. 61:928-931.
5.  Ting, I.P., J.H. Brown, H.H. Naqvi, J. Kumamoto, and M. Matsumura. 1990. Chia: a potential oil crop for arid zones. Pages 197-200 in New Industrial Crops and Products. H.H. Naqvi, A. Estilai, and I.P. Ting ed. Proceedings of the 1st International Conference on New      Industrial Crops and Products, Riverside, CA. Office of Arid Lands Studies, College of Ag, The University of Arizona.
6.  Weber, C.W., H.S. Gentry, E.A. Kohlhepp, and P.R. McCrohan. 1991. The nutritional and chemical evaluation of chia seeds. Ecology of Food and Nutrition, 26:119-125.

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