Cauliflower nutritional composition
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Cauliflower Nutritional Composition: Macronutrients and Fiber
Cauliflower is primarily composed of water, making up about 81.9% to 89.3% of its fresh weight, with the remainder consisting of carbohydrates (13.3% to 47.3 g/100g dry weight), protein (1.9% to 19.8 g/100g dry weight), fiber (2.0% to 10.2%), and a small amount of fat (0.2%) Aung2020Sheikh2021Avantika2025. The carbohydrate and protein content can vary depending on the region and growing conditions, with some varieties from high-altitude regions showing higher protein and carbohydrate levels . Cauliflower also provides dietary fiber, which is higher than in some other Brassica vegetables like cabbage .
Vitamins, Phytochemicals, and Antioxidants in Cauliflower
Cauliflower is rich in several vitamins and phytochemicals. It contains vitamin C, with some cultivars reaching up to 60 µg/g fresh weight, and is a notable source of carotenoids such as β-carotene, lycopene, lutein, and zeaxanthin, especially in colored varieties Sumi2025Uy2024Diamante2020. The vegetable also contains tocopherols (vitamin E compounds), flavonoids, phenolic compounds, and glucosinolates, all of which contribute to its antioxidant properties Aung2020Sumi2025Uy2024+2 MORE. The levels of these compounds can vary significantly between different cauliflower cultivars and are influenced by cooking methods, with steaming and microwaving generally preserving more carotenoids and tocopherols Sumi2025Diamante2020.
Mineral Content: Essential Micronutrients in Cauliflower
Cauliflower is a good source of essential minerals, including potassium (up to 1.7%), iron, manganese, copper, magnesium, calcium, sulfur, and sodium Aung2020Sheikh2021Karigar2023+2 MORE. Sulfur content is particularly high, reflecting the presence of health-promoting glucosinolates Sheikh2021Karigar2023. The mineral composition can vary by variety and growing region, but cauliflower consistently provides significant contributions to daily mineral requirements, especially for potassium, manganese, and iron Karigar2023Avantika2025Wang2022.
Antioxidant Activity and Health Benefits
Cauliflower exhibits strong antioxidant activity due to its high content of polyphenols, flavonoids, carotenoids, and vitamin C Aung2020Sumi2025Uy2024+3 MORE. Different cultivars and preparation methods influence the antioxidant potential, with some varieties showing higher activity in laboratory assays Sumi2025Uy2024Pastén2024. The presence of glucosinolates and other phytochemicals also contributes to potential anti-carcinogenic effects and supports overall health Sheikh2021Wang2022.
Nutritional Value of Cauliflower Leaves
Cauliflower leaves, often underutilized, are also highly nutritious, containing even higher protein content (up to 21.9 g/100g) than the curd, and can be used to enhance the nutritional value of various food products .
Conclusion
Cauliflower is a nutrient-dense vegetable, offering a wide range of macronutrients, vitamins, minerals, and phytochemicals. Its high water and fiber content, combined with significant levels of vitamin C, carotenoids, flavonoids, and essential minerals, make it a valuable addition to a healthy diet. The nutritional composition can vary by variety, region, and preparation method, but overall, cauliflower stands out for its antioxidant properties and potential health benefits.
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Most relevant research papers on this topic
Nutrition and Antioxidant Potential of Three Cauliflower (Brassica oleracea L. Var. Botrytis) Cultivars Cultivated in Southern Part of Bangladesh
Carotena and Valentena cauliflower cultivars have the highest nutritional and antioxidant properties, making them ideal for health-conscious consumers seeking nutrient-rich, antioxidant benefits in functional meals.
Improving the Nutritional Values of Wheat and Rice Crackers by Using Cauliflowers
Adding 25% 75% cauliflower to wheat and rice crackers improves nutritional value, antioxidant activity, minerals, and anti-carcinogenic effect, while maintaining taste and sensory quality.
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