Semi ripe papayas have blend of sweet buttery consistency and sour taste. They are half green and half yellow. Ripe papaya have orange flesh and black coloured seeds at the centre.Papayas reduce the risk of macular degeneration, a disease that affects the eyes as people age. They prevent asthma and cancer. Mashed papayas help in wound healing and preventing infections. The potassium and fiber content present in papayas help to ward off heart diseases.