This cruciferous Vegetable is formed by a mass of tightly packed flower heads. Cauliflower is high in fiber, a cup of this cruciferous vegetable provides 3 gms of fiber which is almost 10% of the daily needs. A bowl of it also fulfills 75% of the daily requirements of vitamin C. Similar to other cruciferous vegetables cauliflower is a great source of antioxidants that act as potent anti-cancerous agents. Regular consumption has been associated with the proper functioning of the blood vessels. This vegetable can be stored in the refrigerator for as long as 5 days. However cut florets do not last long. This vegetable can be stored in the refrigerator for as long as 5 days. However cut florets do not last long.