Vegetables include onions, tomatoes, cauliflower, potatoes and carrots. Flower vegetables include broccoli, cauliflower and artichoke. Other commonly used vegetables are beets, fennel, celery, zucchini, cauliflower, chick peas, and raw tomato. For example, cooked broccoli, Brussels sprouts, cauliflower, and green beans are all equivalent. An Italian pickled vegetable dish is giardiniera, which includes onions, carrots, celery and cauliflower. The Italian version includes bell peppers, celery, carrots, cauliflower and gherkins. Crops include barley, potato, cabbage, cauliflower, amaranthus, buckwheat and apple. Young sprouts of broccoli and cauliflower are particularly rich in glucoraphanin. The important vegetable crops include potato, onion, tomato, cauliflower, and brinjal. Vegetables such as cabbages, cauliflower and broccoli are known to increase levels of CYP1A2. Glucoraphanin is a glucosinolate found in broccoli, cauliflower, and mustard. It also produces significant percentages of the country's broccoli, spinach, cauliflower, and strawberries. Vegetables such as cauliflower, potato, and green peas are commonly added. Vegetables such as spinach and cauliflower must be checked for insect infestation. Many other alternatives exist such as leaf vegetables, radishes, cauliflower or paneer.