Broccoli: benefits and how to cook to retain more valuable substances

Broccoli does not cure everything and does not give immortalityAlthough healthy food marketing sometimes it behaves like this. But it’s real nutritious vegetablewhich contains fiber, vitamin C, vitamin K, folate, potassium and a number of plant compounds studied in connection with metabolism and cell protection.

Broccoli belongs to the family cruciferous vegetableswhich also includes cauliflower, cabbage, kale and Brussels sprouts. Regular consumption of vegetables is generally associated with a lower risk of heart disease, stroke and a number of chronic conditions, but the benefits come from whole dietand not from one “ideal” product.

The World Health Organization notes that getting enough vegetables and fruits in your daily diet is associated with a reduced risk of heart disease, stroke and some types of cancer. This is discussed in more detail in the materials WHO.

What’s in broccoli

Broccoli is valued not for one “secret” component, but for the combination of several nutrients. It contains:

• vitamin Cnecessary for the normal functioning of the immune system and collagen synthesis;
• vitamin Kinvolved in blood clotting and bone turnover;
• folateimportant for cell division processes;
• fibersupporting normal intestinal function and a feeling of satiety;
• potassium and other minerals;
• glucosinolates – natural compounds characteristic of cruciferous vegetables.

In this case, the broccoli remains low-calorie vegetableso it is convenient to use it as the basis of a side dish, add it to omelettes, salads, pasta, soups and dishes with fish or chicken.

Sulforaphane: what is it?

The most well-known compound associated with broccoli is sulforaphane. It is formed from glucoraphanin found in the plant through the enzyme myrosinase when broccoli is cut, chewed or shredded.

Sulforaphane is being actively studied in laboratory and experimental research due to its possible effects on the mechanisms of oxidative stress, inflammation and cellular defense. But this does not mean that broccoli is proven to prevent cancer or replace treatment.

The Harvard School of Public Health notes that cruciferous vegetables are associated with healthier diets and are being studied in the context of preventing a number of diseases. However, evidence in humans remains mixed, and results may depend on the amount of vegetables consumed, lifestyle and preparation method. Review available on page Harvard T.H. Chan School of Public Health.

Why cooking method is important

Broccoli can be eaten raw, steamed, quickly fried, baked, or added to soup. But long boiling can reduce the amount of water-soluble vitamins and change the availability of compounds from which sulforaphane is formed.

In a study published in PubMedbriefly steam the broccoli for about 1–3 minutes gave a higher yield of sulforaphane than more aggressive heating. Other work showed that after eating lightly cooked broccoli, sulforaphane formation could be higher than after eating the vegetable completely cooked.

This does not mean that you should only eat broccoli half-raw and with a stopwatch. But if the goal is to preserve taste, texture and some sensitive compounds, it is better to choose short preparationand not cook the vegetable until it turns into green porridge.

How to cook broccoli

• For a couple. One of the most successful options: broccoli remains bright, slightly crunchy and does not lose as much substances in the water.
• Fry quickly. A short fry in a little oil with garlic, lemon or sesame preserves flavor and texture.
• Bake. Roasting helps bring out a richer flavor, especially with olive oil, lemon and spices.
• Boil briefly. Suitable for soups and side dishes, but it is better not to leave broccoli in boiling water for a long time.
• Add mustard. A small amount of mustard powder or fresh mustard can add external myrosinase and increase sulforaphane formation after cooking broccoli.

The last point sounds too scientific for a regular dinner, but it was actually tested: a study in PubMed showed that adding brown mustard powder to cooked broccoli increased the bioavailability of sulforaphane. It’s a fun bonus, not an obligation, to turn a plate of vegetables into a laboratory experiment.

Broccoli, heart and intestines

Fiber from broccoli and other vegetables helps support normal bowel function, and eating a diet with enough vegetables is generally associated with a more favorable cardiovascular risk profile.

However, it is more correct to say this: Broccoli is beneficial as part of a diet rich in vegetables, legumes, whole grains, fruits and protein sources. One side dish of broccoli will not counteract regular overeating, smoking, excess alcohol or a sedentary lifestyle. The body, unfortunately, does not work according to the “two forks of broccoli minus pizza” scheme.

The Harvard School of Public Health notes that a diet rich in fruits and vegetables may reduce the risk of hypertension, heart disease and stroke, and help control appetite and weight. More details in the material Harvard Health Nutrition Source.

Who should be careful?

For most people, broccoli is safe. But in some conditions it is useful to take into account individual characteristics:

• while taking warfarin It is important not to suddenly change the amount of foods with vitamin K in the diet, but to maintain it approximately stable;
• for irritable bowel syndrome Broccoli may increase bloating and gas in some people;
• for iodine deficiency or thyroid disease You shouldn’t base your diet almost exclusively on raw cruciferous vegetables, although regular servings of broccoli aren’t considered a problem for most people.

Harvard Nutrition Source notes that glucosinolates from cruciferous vegetables may interfere with iodine absorption, especially in people with iodine deficiency or hypothyroidism. But this applies primarily to regular excess consumption, and not the usual portion of broccoli several times a week.

Main

Broccoli is not a miracle cure, but a quality and nutritious vegetable. It provides fibre, vitamins and glucosinolates, and a short steaming or quick roasting helps preserve the flavor and some of the valuable compounds.

The most practical recommendation is simple: eat broccoli the way you like it, and alternate it with other vegetables. Regularity and variety in your plate are healthier than trying to turn one green inflorescence into a personal doctor, nutritionist and oncologist at the same time.

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