Approximately 30 gm of fibre a day is necessary to keep the digestive system in good working condition. Food from animal sources contains very little or no fibre. Fibre-rich vegetables include turnip, lady's finger, radish, beans, cabbage, cucumber, potato, corn, broccoli, peas, carrot, onion, tomato, green pepper, bitter gourd, asparagus, brinjal, beetroot, sprouts, leafy greens and cauliflower...