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    Sweet Onion benefits and nutrition

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    Sweet onion is a variety of onion which is not pungent. The mildness in Sweet Onion is due to low sulfur content (especially pyruvic acid) and content of water  when compared to other onion varieties. Pyruvic acid accounts for bite in the mouth, pain in stomach, tear in eye after intake of raw onions. It does not necessarily have sugar in them in comparison to other onions. It has less pungency than others. Sweet onions are less tearing and a perfect choice to consume raw. Sweet onions are also called Mauis, Vidalias, OsoSweets, Walla Wallas and Texas sweets. The shape varies from round to flattened.

    Health Benefits

    • Sweet onions are beneficial for heart as well as cardiovascular benefits.
    • Onions has chromium known for regulating blood sugar and is able to prevent blood clots.
    • Intake of sweet onions in raw form helps to reduce bad cholesterol.
    • Sweet onions have fiber that lowers the chances of gastric ulcers and also supports digestion.
    • It also maintains healthy bacteria levels in intestinal tract.
    • The high content of antioxidant called quercetin lowers the chances of cancers.
    • Intake of sweet onions promotes bone density and lowers the risk of osteoporosis.
    • Sweet onions have Vitamin C that promotes immune system and improves overall health.
    • Chewing raw onions for several minutes prevents the risk of tooth decay, oral infections and gum disease.
    • Rub half of an onion on face daily to erase blemishes without scars.
    • Onion tea lowers irritation and swelling in throat responsible for coughs and sore throat.
    • Onion stops nose bleed, cures warts and eliminates bacteria related with sickness.

    Culinary uses

    • Add raw sweet onions to salads, relishes or chopped ones are used as a garnish.
    • Use sweet onions as the substitute for regular onions.
    • Make sweet onions to onion rings.

    How to store Sweet Onions

    • Sweet onions can be kept for a week or two at room temperature.
    • Store sweet onions in an open paper bag in a cook and dark place for longer storage.
    • Do not wrap it in a plastic because due to its juicy nature, it becomes prone to rot and mold.

    References:

    https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=42720#null

    https://www.thespruceeats.com/all-about-sweet-onions-4094058

    https://www.realsweet.com/10-reasons-to-add-more-sweet-onions-to-your-diet/

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    Sweet Onion Quick Facts
    Name: Sweet Onion
    Scientific Name: Allium cepa
    Shapes Globular to slightly oblong
    Calories 106 Kcal./cup
    Major nutrients Vitamin B6 (33.08%)
    Copper (20.56%)
    Carbohydrate (19.22%)
    Vitamin B9 (19.00%)
    Vitamin C (17.67%)
    Name Sweet Onion
    Scientific Name Allium cepa
    Name in Other Languages Bengali: gundhun
    Chinese: huo cong (火葱) , ér jiāng hú cōng (而将胡葱);
    Czech:  šalotka;
    Danish: skalotteløg;
    Dutch: sjalotten;
    English: french shallots, potato onions, shallots;
    Estonian: šalottsibul;
    Finnish: šalottisipuli, shalottisipuli, salottisipuli;
    French: ciboule, oignon patate, echalote;
    German: aschlauch, klöben, eschlauch, schalotte;
    Greek: askalonio (ασκαλώνιο);
    Hebrew: bzalzal (בְּצַלְצַל);
    Hindi: gandana, kanda,  pyaaz (प्याज), guṇaka pyāja (गुणक प्याज); 
    Hungarian: mogyoróhagyma;
    Icelandic: skalottlaukur;
    Italian: scalogna, scalogno;
    Japanese: sharotto (シャ ロット), esharotto (エシャロット);
    Kannada:  ondu bageya irulli (ಒಂದು ಬಗೆಯ ಈರುಳ್ಳಿ);  
    Kasmiri: praan;
    Khmer:  katem kror hom, ktem kror hom, ktem hom;
    Laotian:  pak bua soelod  (ຜັກບົ່ວເຊິລອດ);
    Lithuanian:  askaloninis česnakas;
    Macedonian:  kromitče (кромитче);
    Malay:  brambang, bawang merah kecil;
    Malayalam:  chuvanna ulli, cheriya ulli;
    Nepalese: chyaapii (छ्यापी);
    Norwegian: sjalott-løk;
    Persian: piazcheh (پیازچه), mousir/mooseer (موسیر);
    Polish: szalotka;
    Portuguese: cebolha roxa, cebolinha branca, cebola miúda, chalota das cosinha;
    Russian: shalot (шалот);
    Slovakian: šalotka;
    Slovenian: šalotka;
    Spanish: ascalonia, escalma, chalota, escaluña;
    Tamil: sambar vengayam, chinna vengayam;
    Thai: dton hom bua (ต้นหอมบัว), dton hom hua (ต้นหอมหัว), dton hom daeng (ต้นหอมเล็ก), dton hom tai (ต้นหอมไทย), hom daeng (หอมแดง), hom lek (หอมเล็ก);
    Vietnamese: hành, hành tăm,  hành huong khô, hành tím
    Shape & size Globular to slightly oblong, 10-15 centimeters in diameter
    Major Nutritions Vitamin B6 (Pyridoxine) 0.43 mg (33.08%)
    Copper, Cu 0.185 mg (20.56%)
    Carbohydrate 24.99 g (19.22%)
    Vitamin B9 (Folate) 76 µg (19.00%)
    Vitamin C (Ascorbic acid) 15.9 mg (17.67%)
    Phosphorus, P 89 mg (12.71%)
    Vitamin B1 (Thiamin) 0.136 mg (11.33%)
    Manganese, Mn 0.252 mg (10.96%)
    Iron, Fe 0.86 mg (10.75%)
    Potassium, K 394 mg (8.38%)
    Calories in 1 onion (331 g) 106 Kcal.

    Sweet Onion Scientific Classification

    Scientific Name: Allium cepa

    Rank Scientific Name & (Common Name)
    Kingdom Plantae  (Plantes, Planta, Vegetal, plants)
    Subkingdom Viridiplantae (Green plants)
    Infrakingdom Streptophyta (Land plants)
    Superdivision Embryophyta
    Division Tracheophyta  (Vascular plants, tracheophytes)
    Class Magnoliopsida
    Order Asparagales
    Family Amaryllidaceae
    Genus Allium L. (Oignon, wild onion, onion)
    Species Allium cepa L. (Garden onion)
    Synonyms
    • Allium angolense Baker
    • Allium aobanum Araki
    • Allium ascalonicum f. rotterianum Voss
    • Allium ascalonicum f. rotterianum Voss ex J.Becker
    • Allium ascalonicum var. condensum Millán
    • Allium ascalonicum var. fertile Millán
    • Allium ascalonicum var. majus Corrie
    • Allium ascalonicum var. sterile Millán
    • Allium cepa f. viviparum Metzg.
    • Allium cepa var. aggregatum G.Don
    • Allium cepa var. anglicum Alef.
    • Allium cepa var. argenteum Alef.
    • Allium cepa var. ascalonicum
    • Allium cepa var. bifolium Alef.
    • Allium cepa var. crinides Alef.
    • Allium cepa var. flandricum Alef.
    • Allium cepa var. globosum Alef.
    • Allium cepa var. hispanicum Alef.
    • Allium cepa var. jamesii Alef.
    • Allium cepa var. lisboanum Alef.
    • Allium cepa var. luteum Alef.
    • Allium cepa var. multiplicans L.H.Bailey
    • Allium cepa var. portanum Alef.
    • Allium cepa var. praecox Alef.
    • Allium cepa var. roseum Alef.
    • Allium cepa var. rosum Alef.
    • Allium cepa var. sanguineum Alef.
    • Allium cepa var. solaninum Alef.
    • Allium cepa var. tripolitanum Alef.
    • Allium cepa var. viviparum (Metz) Mansf.
    • Allium cepa var. viviparum (Metzg.) Alef.
    • Allium cepaeiforme G.Don, 1827
    • Allium cepaeum St.-Lag.
    • Allium commune Noronha
    • Allium cumaria Buch.-Ham.
    • Allium cumaria Buch.-Ham. ex Wall.
    • Allium esculentum Salisb.
    • Allium napus Pall.
    • Allium napus Pall. ex Kunth
    • Allium nigritanum A.Chev.
    • Allium pauciflorum Willd.
    • Allium pauciflorum Willd. ex Ledeb.
    • Allium salota Dostál
    • Ascalonicum sativum P.Renault
    • Cepa alba P.Renault
    • Cepa esculenta Gray
    • Cepa esculenta var. hispanica Gray
    • Cepa esculenta var. ramosa Gray
    • Cepa esculenta var. rubra Gray
    • Cepa pallens P.Renault
    • Cepa rubra P.Renault
    • Cepa vulgaris Garsault
    • Cepa vulgaris infrasubsp. oppr
    • Crinum angolense (Baker) Benth.
    • Crinum angolense (Baker) Benth. ex Baker
    • Kepa esculenta Raf.
    • Porrum cepa (L.) Rchb.
    Nutritional value of Onions, sweet, raw
    Serving Size: 1 onion, 331 g

    Calories 106 Kcal. Calories from Fat 2.34 Kcal.

     

    Proximity Amount % DV
    Water 302 g N/D
    Energy 106 Kcal N/D
    Energy 440 kJ N/D
    Protein 2.65 g 5.30%
    Total Fat (lipid) 0.26 g 0.74%
    Ash 1.13 g N/D
    Carbohydrate 24.99 g 19.22%
    Total dietary Fiber 3 g 7.89%
    Total Sugars 16.62 g N/D
    Sucrose 2.38 g N/D
    Glucose (dextrose) 7.48 g N/D
    Fructose 6.69 g N/D
    Lactose 0.07 g N/D

     
    Minerals Amount % DV
    Calcium, Ca 66 mg 6.60%
    Iron, Fe 0.86 mg 10.75%
    Magnesium, Mg 30 mg 7.14%
    Phosphorus, P 89 mg 12.71%
    Potassium, K 394 mg 8.38%
    Sodium, Na 26 mg 1.73%
    Zinc, Zn 0.43 mg 3.91%
    Copper, Cu 0.185 mg 20.56%
    Manganese, Mn 0.252 mg 10.96%
    Selenium, Se 1.7 µg 3.09%


     
    Vitamins Amount % DV
    Water soluble Vitamins
    Vitamin B1 (Thiamin) 0.136 mg 11.33%
    Vitamin B2 (Riboflavin) 0.066 mg 5.08%
    Vitamin B3 (Niacin) 0.44 mg 2.75%
    Vitamin B5 (Pantothenic acid) 0.324 mg 6.48%
    Vitamin B6 (Pyridoxine) 0.43 mg 33.08%
    Vitamin B9 (Folate) 76 µg 19.00%
    Folate, food 76 µg N/D
    Choline 18.2 mg 3.31%
    Vitamin C (Ascorbic acid) 15.9 mg 17.67%
    Fat soluble Vitamins
    Vitamin A, IU 3 IU N/D
    Beta Carotene 3 µg N/D
    Betaine 0.3 mg N/D
    Lutein + zeaxanthin 20 µg N/D
    Vitamin E (alpha-tocopherol) 0.07 mg 0.47%
    Tocotrienol, alpha 0.03 mg N/D
    Vitamin K (phylloquinone) 1 µg 0.83%

     
    Amino acids Amount % DV
    Tryptophan 0.03 g 6.82%
    Threonine 0.06 g 3.41%
    Isoleucine 0.046 g 2.75%
    Leucine 0.083 g 2.25%
    Lysine 0.109 g 3.26%
    Methionine 0.03 g N/D
    Cystine 0.03 g N/D
    Phenylalanine 0.079 g N/D
    Tyrosine 0.04 g N/D
    Valine 0.066 g 3.13%
    Arginine 0.367 g N/D
    Histidine 0.036 g 2.92%
    Alanine 0.056 g N/D
    Aspartic acid 0.222 g N/D
    Glutamic acid 0.586 g N/D
    Glycine 0.066 g N/D
    Proline 0.05 g N/D
    Serine 0.066 g N/D

     
    Flavan-3-ols Amount % DV
    (-)-Epigallocatechin 3-gallate 0.3 mg N/D


     
    Flavonols Amount % DV
    Kaempferol 3.8 mg N/D
    Myricetin 3.8 mg N/D
    Quercetin 48.1 mg N/D

    *Above mentioned Percent Daily Values (%DVs) are based on 2,000 calorie diet intake. Daily values (DVs) may be different depending upon your daily calorie needs. Mentioned values are recommended by a U.S. Department of Agriculture. They are not healthbenefitstimes.com recommendations. Calculations are based on average age of 19 to 50 years and weighs 194 lbs.