Watermelon

ByОлена Коновалова
WATERMELON
      Watermelon (Citrullus lanatus) is characterized by a high concentration of the carotenoid lycopene (90.6% of the Daily Value [DV] per 100 g), which exhibits significant antioxidant and anticarcinogenic properties; however, the fruit overall possesses a relatively limited vitamin profile. Among the mineral elements, the predominant constituents are: rubidium (77.0% DV per 100 g), silicon (40.0%), boron (25.7%), cobalt (20.0%), and potassium (9.4%). Furthermore, watermelon contains measurable quantities of silver (7.1%).
     The nutritional matrix includes a substantial mono- and disaccharide fraction (11.6% DV), within which glucose (17.0% DV) and fructose (9.9% DV) serve as the primary sugars. Starch is absent from the composition, while insignificant quantities of maltose (0.06 g per 100 g) and sucrose (1.21 g) are present.
     The total purine base content per 100 g constitutes 6.7% of the daily allowance.
     Oxalic acid is absent in watermelon fruits.
Caloric value per 100 g: 30 kcal
Water in 100 g: 91.45 g
Ash from 100 g: 0.25 g
CHEMICAL COMPOSITION
 
Vitamins, macro- and microelements, nutrients per 100 g
VITAMINS
Name Content, mass fraction per 100 g of product % of daily norm
in figures visually*
Vitamin B1 (thiamine) 0.03 mg 2% 5
Vitamin B2 (riboflavin) 0.02 mg 1% 0
Vitamin B5 (pantothenic acid) 0.22 mg 5% 5
Vitamin B6 (pyridoxine) 0.05 mg 3% 5
Vitamin B9 (folic acid) 3.0 µg 1%  0
Vitamin B12 (cyanocobalamin) 0.0 µg 0% 0
Vitamin C (ascorbic acid) 8.1 mg 9% 10
Vitamin E (alpha-tocopherol) 0.05 mg 0.3% 0
Vitamin D (ergocalciferol) 0.0 µg 0% 0
Vitamin PP (nicotinic acid) 0.3 mg 2% 5
Vitamin K (phylloquinone) 0.1 µg 0.1%  0
Biotin 0.0 µg 0%  0
Beta-carotene 303.0 µg 6% 5
Alpha-carotene 0.0 µg 0% 0
Lutein + zeaxanthin 8 µg 0.1% 0
Beta-cryptoxanthin 78 µg 1.3%  0
Lycopene 4532 µg 90.6%  90
Choline 4.1 mg 1% 0
Methylmethionine sulfonium (vitamin U) 0 mg 0%  0

* Full jug – 100% of the daily norm; empty – 0-1% of the daily norm.

MINERAL ELEMENTS

Macroelements

Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Potassium 64.0-338.0 mg 9.4% 10
Calcium 7.0 mg 1% 0
Silicon 12.0  mg 40% 40
Magnesium 5.9-15.4 mg 2.8% 5
Sodium 1.0 mg 0.1% 0
Sulfur 5.1 mg 0.5% 0
Phosphorus 11.0 mg 1% 0
Chlorine 24.7 mg 1.1% 0

Trace Elements

Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Aluminum 29.36 µg 0.1% 0
Boron 18.0 µg 25.7% 30
Vanadium 2.0 µg 5% 5
Iron 0.24-1.0 mg 4% 5
Iodine 0.02-0.03 µg 0.02% 0
Cobalt 2.0 µg 20% 20
Lithium 6.0 µg 6% 10
Manganese 40.0 µg 2% 5
Copper 40.0-100.0 µg 7% 10
Molybdenum 1.8-2.2 µg 2.9% 5
Nickel 7.0 µg 4.7% 5
Rubidium 77 µg 77% 80
Selenium 0.1-0.4 µg 0.4% 0
Silver 0.5 µg 7.1% 10
Strontium 10.5 µg 1.3% 0
Fluorine 1.5 mcg 0.04% 0
Chromium 0.23 mcg 0.5% 0
Zinc 70.0-100.0 mcg 1% 0

 

PROTEINS AND AMINO ACIDS

 

Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Total protein content 0.61 g 1%  0
Content of essential amino acids 0.21 g 1% 0
Content of non-essential amino acids 0.24 g 0.4% 0

 

Essential Amino Acids

 

Name of acid Content, g per 100 g of product % of daily norm
in numbers visually
Valine 0.02 1% 0
Histidine 0.01 1% 0
Isoleucine 0.02 1% 0
Leucine 0.02 1% 0
Lysine 0.06 2% 5
Methionine 0.01 1% 0
Threonine 0.03 2% 5
Tryptophan 0.01 3% 5
Phenylalanine 0.03 1%  0

 

Non-Essential Amino Acids

 

Name of acid Content, g per 100 g of product % of daily norm
in numbers visually
Alanine 0.02 0.3% 0
Arginine 0.06 1% 0
Aspartic acid 0.04  0.3% 0
Glycine 0.01  0.3% 0
Glutamic acid 0.06 0.4% 0
Proline 0.02 0.4% 0
Serine 0.02 0.2% 0
Tyrosine 0.01 0.3% 0
Cystine 0.0 0% 0



FATS AND FATTY ACIDS

 

Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Total fat content 0.15 g 0.2% 0
Content of unsaturated fatty acids 0.045 g 0.1% 0
Content of omega-3 unsaturated fatty acids 0.019 g  1.9% 5
Content of omega-6 unsaturated fatty acids 0.013 g 0.1% 0
Content of saturated fatty acids 0.024 g 0.1%  0

 

Unsaturated Fatty Acids

 

Acid Name Content, g per 100 g of product
Palmitoleic C 16:1 (omega-7) 0.002 g
Oleic C 18:1 (omega-9) 0.011 g
Linoleic C 18:2 (omega-6) 0.013 g
Linolenic C 18:3 (omega-3) 0.019 g
Stearidonic C 18:4 (omega-3) 0.0 g
Gadoleic C 20:1 (omega-11) 0.0 g
Arachidonic C 20:4 (omega-6) 0.0 g
Eicosapentaenoic C 20:5 (omega-3) 0.0 g
Erucic C 22:1 (omega-9) 0.0 g
Clupanodonic C 22:5 (omega-3) 0.0 g
Docosahexaenoic C 22:6 (omega-3) 0.0 g
Nervonic C 24:1 (omega-9) 0.0 g

 

Saturated Fatty Acids

 

Acid Name Content, g per 100 g of product
Myristic C 14:0 0.0 g
Palmitic C 16:0 0.020 g
Stearic C 18:0 0.004 g
Arachic C 20:0 0.0 g
Behenic C 22:0 0.0 g
Lignoceric C 24:0 0.0 g

 

Sterols

 

Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Total phytosterols 2.0 mg  3.6% 5
Cholesterol 0.0 mg 0% –

 

CARBOHYDRATES

 

Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Total carbohydrate content 7.55 g 3% 5
Mono- and disaccharides 5.8 g 11.6%  10
Glucose 1.58-1.8 g 17% 20
Fructose 3.36-3.5 g 9.9% 10
Galactose 0.0 g 0% 0
Sucrose 1.21 g – –
Lactose 0.0 g 0% 0
Starch 0.0 g –  –
Maltose 0.06 g – –
Fiber 0.4 g 2% 5
PURINE BASES
Name Content, mass fraction per 100 g of product % of daily norm
in numbers visually
Total purine content 8 mg  6.7% 10

Units of measurement:
Piece: about 5000.0 g
Tea glass: 250.0 g
Faceted glass: 200.0 g
Teaspoon: 7.0 g
Tablespoon: 20.0 g

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