The cultivation of opar dating back to 1500 probably native to Asia Minor then diffused particularly in all the temperate areas of Europe.
Fennel has 90% water and for every 100 grams of fennel you take 31 calories, totally free of fat and the satiating power given by the good fiber intake (about 3 grams).
They contain a good amount of minerals such as calcium and phosphorus, but the most present is potassium. It also contains vitamins A, C and some of group B.
Thanks to the many properties, fennel are widely used in herbalists, highly recommended for those who are celiac and suffer from inflammation in the gastrointestinal system as they are used for digestion problems and to regularize liver function.
Fennel is extremely useful in solving digestive problems, also providing a diuretic-detoxifying and carminative action in case of intestinal problems (such as mild spasms) or helping to mitigate the annoying sense of abdominal swelling. Thanks to the presence of vitamin C, it helps to strengthen the immune system, also performing an antioxidant action.
Also fennel seeds are rich in properties and used to create herbal teas with an intense scent thanks to the presence of anethole, an essential oil present in both wild and sweet fennel, and thanks to which it is possible to obtain liqueurs or to produce substances to be used for cosmetic use.
The main advice at the time of purchase is to choose smooth fennel and a nice bright white. The various fennel sheaths must be crisp and break under pressure, without bending or being too soft.