Ginger root is commonly used as a spice in cooking food and ingridient in beverages, such as ginger root beer. It is also used in traditional medicine.  It is especially popular in South Asian households.

Ginger is consumed as a fresh root, root extract or powder form.

Chemical components in ginger root include 6-Gingerol, 8-gingerol, 6-shogaol and 10-gingerol. The gingerols and other compounds (flavonoids) in ginger root extract have been shown to have antioxidant activity. Altogether about 50 types of antioxidants are identified in extract of ginger root.

Table: List of nutrients and their content in ginger root, raw. Nutrient values and weights are for edible portion.

Nutrient
Units
Nutrient content per 100 grams
Water
g
78.89
Energy
kcalorie
80
Energy
kj
333
Protein
g
1.82
Total lipid (fat)
g
0.75
Ash
g
0.77
Carbohydrate, by difference
g
17.77
Fiber, total dietary
g
2.0
Sugars, total
g
1.70
Minerals
Calcium, Ca
mg
16
Iron, Fe
mg
0.60
Magnesium, Mg
mg
43
Phosphorus, P
mg
34
Potassium, K
mg
415
Sodium, Na
mg
13
Zinc, Zn
mg
0.34
Copper, Cu
mg
0.226
Manganese, Mn
mg
0.229
Selenium, Se
mcg
0.7
Vitamins
Vitamin C, total ascorbic acid
mg
5.0
Thiamin
mg
0.025
Riboflavin
mg
0.034
Niacin
mg
0.750
Pantothenic acid
mg
0.203
Vitamin B-6
mg
0.160
Folate, total
mcg
11
Folic acid
mcg
0
Folate, food
mcg
11
Folate, DFE
mcg_DFE
11
Vitamin B-12
mcg
0.00
Vitamin B-12, added
mcg
0.00
Vitamin A, IU
IU
0
Vitamin A, RAE
mcg_RAE
0
Retinol
mcg
0
Vitamin E (alpha-tocopherol)
mg
0.26
Vitamin E, added
mg
0.00
Vitamin K (phylloquinone)
mcg
0.1
Fatty acids (Lipids)
Fatty acids, total saturated
g
0.203
4:0
g
0.000
6:0
g
0.000
8:0
g
0.007
10:0
g
0.000
12:0
g
0.039
14:0
g
0.018
16:0
g
0.120
18:0
g
0.017
Fatty acids, total monounsaturated
g
0.154
16:1 undifferentiated
g
0.021
18:1 undifferentiated
g
0.119
20:1
g
0.007
22:1 undifferentiated
g
0.000
Fatty acids, total polyunsaturated
g
0.154
18:2 undifferentiated
g
0.120
18:3 undifferentiated
g
0.034
18:4
g
0.000
20:4 undifferentiated
g
0.000
20:5 n-3
g
0.000
22:5 n-3
g
0.000
22:6 n-3
g
0.000
Cholesterol
mg
0
Phytosterols
mg
15
 Amino acids 
Tryptophan
g
0.012
Threonine
g
0.036
Isoleucine
g
0.051
Leucine
g
0.074
Lysine
g
0.057
Methionine
g
0.013
Cystine
g
0.008
Phenylalanine
g
0.045
Tyrosine
g
0.020
Valine
g
0.073
Arginine
g
0.043
Histidine
g
0.030
Alanine
g
0.031
Aspartic acid
g
0.208
Glutamic acid
g
0.162
Glycine
g
0.043
Proline
g
0.041
Serine
g
0.045
Other nutrients
Alcohol, ethyl
g
0.0
Caffeine
mg
0
Theobromine
mg
0
Carotene, beta
mcg
0
Carotene, alpha
mcg
0
Cryptoxanthin, beta
mcg
0
Lycopene
mcg
0
Lutein + zeaxanthin
mcg
0

Ginger root nutrition facts source: USDA National Nutrient Database for Standard Reference, Release 19 (2006)

 

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