When we go to the market on a winter morning, some of the vegetables that catch our eye are cabbage, cauliflower, or broccoli. Each of these vegetables is, from a botanical perspective, actually the same species (Brassica oleracea L.) Included. Interestingly, the kale, kohlrabi, and Brussels sprouts we eat are also members of this same family. Through thousands of years of evolution and human selection, we have obtained these various vegetables from a single common wild plant.
This diversity began with the wild Brassica that grew in the coastal regions of Europe. Botanists say that these familiar vegetables were developed from different parts of the plant. For example, broccoli and cauliflower were selected for their large, edible flower heads. Kohlrabi was cultivated for its swollen stem, while cabbage and Brussels sprouts became popular for their buds or mounds of leaves.
A review of history shows that the Greeks and Romans were aware of this vegetable’s medicinal properties. The cultivation of kale and cabbage began in Europe before 1000 BC. Later, broccoli and cauliflower spread throughout the world via the Middle East. Interestingly, sauerkraut, made from these vegetables, was once an essential food for sailors on long sea voyages to prevent scurvy.
In today’s modern world, where a lack of nutrition is a problem amidst an abundance of processed foods, vegetables from the Brassicaceae family can be the ideal solution. These vegetables are rich in calcium, potassium, vitamin C, and folate. Broccoli and Brussels sprouts, in particular, are excellent sources of vitamin C. A 100-gram serving of broccoli contains about 75 milligrams of vitamin C, which meets a significant portion of our daily requirement.
The most important factor is their special chemical compounds—glucosinolates. It is these compounds that give these vegetables their characteristic pungent flavor. Modern medical research has shown that the isothiocyanates produced from glucosinolates (Isothiocyanates) play a crucial role in preventing the growth of cancer cells in the body. The concentration of this compound is particularly high in broccoli sprouts, which helps to eliminate toxins from the body.
Vegetables of the Brassicaceae family are primarily cool-season crops. They grow best in temperatures between 15 and 20 degrees Celsius. However, for tropical countries like ours, some varieties have now been developed that can tolerate temperatures up to 30 degrees Celsius.
These vegetables are quite finicky in terms of cultivation. They require ample water and fertile soil. Cauliflower, in particular, is very sensitive to temperature and humidity. If the temperature is not controlled at the right time, the quality of the cauliflower can be ruined. For commercial cultivation, ‘F1 hybrids’ are currently used. The use of seeds is increasing, which helps maintain yield and quality.
Cabbage or broccoli is not only eaten raw or cooked, but its preservation methods are also quite diverse. Since ancient times, cabbage has been fermented (Fermentation) is used to make sauerkraut. This special food is made by coating it with salt and keeping it in an airtight container. It is not only a way to preserve vitamin C, but it is also an excellent source of probiotic bacteria that are beneficial for gut health.
In modern times, these vegetables are being preserved for year-round use through canning, freezing, or dehydrating. Even ‘anthocyanin’, derived from purple cabbage, is now being used commercially as a natural food color.
According to nutritionists, these vegetables are very effective for weight management as they are low in calories. 100 grams of cabbage contains only 22 calories, and cauliflower has 23 calories. Their high fiber content aids digestion and relieves constipation.
However, it is important to remember that everything should be consumed in moderation. Consuming glucosinolates in excess may pose a slight risk of thyroid problems or goiter for some individuals. But overall, including vegetables from the Brassicaceae family in your regular diet is extremely beneficial for your health.
These unique gifts from nature, the vegetables of the Brassicaceae family, are an integral part of our diet. They not only fill our stomachs but also help us live longer by boosting our immune system. Although known as winter vegetables, thanks to modern technology and preservation, they are now available year-round. So, to stay healthy, add a piece of broccoli or a bowl of cabbage salad to your plate today.