Onion purple

Onion purple

Vegetable

Item Rating: 83/100

1 serving (100 grams) contains 40 calories, 1.1 grams of protein, 0.1 grams of fat, and 9.3 grams of carbohydrates.

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60
calories
1.6
protein
13.9
carbohydrates
0.1
fat

Nutrition Information

1 cup (150g)
Calories
60
% Daily Value*
Total Fat 0.1 g 0%
Saturated Fat 0 g 0%
Polyunsaturated Fat 0 g
Cholesterol 0 mg 0%
Sodium 6 mg 0%
Total Carbohydrates 13.9 g 5%
Dietary Fiber 2.5 g 8%
Sugars 6.3 g
protein 1.6 g 3%
Vitamin D 0 mcg 0%
Calcium 34.5 mg 2%
Iron 0.3 mg 1%
Potassium 219 mg 4%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Food Attributes

🧂 Low sodium
🧂 Low salt

Source of Calories

88.4%
10.2%
1.4%
Fat: 0 cal (1.4%)
Protein: 6 cal (10.2%)
Carbs: 55 cal (88.4%)

About Onion purple

Purple onions, also known as red onions, are a vibrant variety of Allium cepa widely used in global cuisines, particularly in Mediterranean, Indian, and Southeast Asian dishes. Known for their mild yet slightly sweet flavor, they are commonly eaten raw in salads and salsas or cooked in various dishes. Nutritionally, they are low in calories (approximately 40 calories per 100g) and contain vitamins C and B6, manganese, and are rich in antioxidants such as quercetin and anthocyanins. They also provide dietary fiber, contributing to digestive health.

Health Benefits

  • Rich in antioxidants like quercetin and anthocyanins, which help protect cells from oxidative stress and reduce inflammation.
  • Good source of vitamin C, which supports immune function and skin health.
  • Contains sulfur compounds that may promote heart health by lowering cholesterol levels and improving blood pressure.

Dietary Considerations

Allergens: Contains None commonly reported
Suitable for: Vegan, vegetarian, gluten-free, paleo
Not suitable for: Fodmap-sensitive diets due to their high content of fructans, which may cause discomfort for individuals with ibs.

Selection and Storage

Store whole purple onions in a cool, dry, and well-ventilated space for up to 4 weeks. Once cut, refrigerate in an airtight container and use within 7 days.

Common Questions About Onion purple Nutrition

What is the nutritional content of purple onions?

Purple onions have about 40 calories per 100 grams and contain 1.1 grams of protein, 9.3 grams of carbohydrates, and 0.1 grams of fat. They are also rich in vitamin C, providing approximately 12% of the daily recommended intake, along with small amounts of vitamin B6 and manganese.

Are purple onions suitable for a keto or low-carb diet?

Purple onions can be included in a keto or low-carb diet in moderation due to their carbohydrate content. They contain about 9 grams of total carbs per 100 grams, with 1.7 grams being dietary fiber, resulting in a net carb count of approximately 7 grams.

What are the health benefits of eating purple onions?

Purple onions are a good source of antioxidants, particularly anthocyanins, which give them their vibrant color and may help reduce inflammation. They also contain quercetin, a compound linked to improved heart health and reduced blood pressure. Additionally, they support gut health due to their prebiotic fiber content.

How much purple onion should I eat in a serving?

A standard serving size of purple onion is about 1/2 cup (approximately 60 grams), which contains around 24 calories, 5.6 grams of carbohydrates, and 0.7 grams of protein. This amount provides a good balance of flavor and nutrition without consuming too many calories or carbs.

How do purple onions compare to white or yellow onions in cooking?

Purple onions are milder and slightly sweeter than white or yellow onions, making them ideal for raw use in salads, sandwiches, and salsas. While they can be cooked, their color may fade during high-heat cooking, making them less visually appealing in some dishes compared to other onion varieties.

Data Sources & Scientific References

Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.

Additional Authoritative Sources:

Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.

About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.