Onions, white


 Category: Vegetables & Vegetable Products  Method: Raw

 Nutrition Highlights 


 Serving Size

 Calories

33


 Nutrient
% Daily Value*

  Total Fat 0.1 g
0 %

  Sodium 2.0 mg
0 %

  Protein 0.9 g
2 %

  Total Carbohydrate 7.7 g
3 %

     Dietary Fiber 1.2 g
4 %

  Water 91 g

  Minerals --
     Calcium 21 mg
2 %

     Copper 0.05 mg
5 %

     Iron 0.2 mg
1 %

     Magnesium 9.3 mg
2 %

     Manganese 0.1 mg
4 %

     Phosphorus 29 mg
2 %

     Potassium 141 mg
3 %

     Zinc 0.1 mg
1 %


*Daily Values are based on the reference caloric intake of 2,000 calories for adults and children aged 4+ years. Source: Food & Drug Administration
 Calorie Sources 
  Nutrient Calories kcal (%)
 Carbohydrate 31 (93.1%)
 Protein 3.6 (10.8%)
 Fat 1.2 (3.5%)
Total 33 (100%)

 Serving: 100g/3.5oz [100g]


 Composition 
  Nutrient Weight g (%)
 Water 91 (91.3%)
 Carbohydrate 7.7 (7.7%)
 Protein 0.9 (0.9%)
 Fat 0.1 (0.1%)
Total 100 (100%)

 Serving: 100g/3.5oz [100g]


 Benefits 
  • High in prebiotic fiber that promotes a healthy gut microbiome

  • Contain quercetin and other antioxidants that may reduce risk of heart disease and cancer

  • May help manage blood sugar levels and reduce risk of diabetes

  • Provide vitamin C and other antioxidants that support immune function

  • Low in calories but high in flavor - can add nutrition to dishes without extra calories

 Risks 
  • High in sulfur compounds which can cause bad breath and body odor

  • May cause eye irritation and tears when cutting or chopping onions raw

  • Contains fructans which are poorly absorbed in the gut and can cause gas and bloating in some people

  • High in fructose which can cause digestive issues in large amounts

  • May cause allergic reactions in some people


 Additional Information 

Onions, white, raw, are a versatile and commonly used vegetable that offer several nutritional benefits. They belong to the Allium family, which includes other popular vegetables like garlic and shallots. Onions are known for their distinct flavor and aroma, which adds depth and complexity to various dishes. Let's delve into the primary attributes and secondary attributes of white, raw onions to understand their nutritional profile.

Primary Attribute: White Onions
White onions are characterized by their white papery skin and a mild, slightly sweet flavor. They are often used in salads, salsas, and other raw preparations. White onions are low in calories and fat, making them a suitable addition to a balanced diet. They also provide a range of essential vitamins, minerals, and antioxidants.

Secondary Attributes:
1. Fiber: Onions, including white onions, are a good source of dietary fiber. Fiber aids in digestion, promotes bowel regularity, and helps maintain a healthy weight. It also contributes to a feeling of fullness, which can be beneficial for those trying to manage their calorie intake.

2. Vitamin C: White onions contain vitamin C, an essential nutrient with antioxidant properties. Vitamin C plays a vital role in supporting the immune system, promoting collagen synthesis for healthy skin, and assisting in the absorption of iron from plant-based sources.

3. Quercetin: Onions, particularly white onions, are rich in quercetin, a flavonoid with potent antioxidant and anti-inflammatory properties. Quercetin has been associated with various health benefits, including reducing the risk of chronic diseases such as heart disease and certain types of cancer.

4. Sulfur Compounds: Onions contain sulfur compounds, which are responsible for their pungent aroma and many health benefits. These compounds have been linked to potential anti-cancer effects and may help reduce the risk of certain types of cancer, particularly in the digestive system.

5. Potassium: White onions are a good source of potassium, an essential mineral that plays a crucial role in maintaining proper heart function, regulating blood pressure, and supporting overall cardiovascular health.

While white onions offer numerous nutritional benefits, there are a few potential risks to consider:

1. Digestive Sensitivity: Some individuals may experience digestive discomfort, such as gas or bloating, after consuming raw onions. Cooking onions can help reduce these effects.

2. Allergies: Although rare, some people may be allergic to onions. Allergic reactions can range from mild symptoms like itching and swelling to more severe reactions that require immediate medical attention.

3. FODMAPs: Onions contain FODMAPs (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols), which are types of carbohydrates that can cause digestive symptoms in individuals with irritable bowel syndrome (IBS) or other digestive disorders.

In summary, white onions, when consumed raw, provide several nutritional benefits, including fiber, vitamin C, quercetin, sulfur compounds, and potassium. These attributes contribute to overall health and may offer protection against chronic diseases. However, it is essential to be mindful of potential digestive sensitivity, allergies, and FODMAP content, particularly for individuals with specific dietary requirements or digestive conditions. Incorporating white onions into a well-rounded diet can be a flavorful and nutritious choice.