OPO calabash, bottle gourd, or white-flowered gourd, Lagenaria siceraria, is also known as opo squash or long melon. Bottle gourd is one of the lowest calorie vegetables, providing just 14 calories per 100 g. It is one vegetable recommended for weight-control. It contains folate, vitamin C, thiamin, niacin (vitamin B-3), pantothenic acid (vitamin B-5), pyridoxine (vitamin B-6) and minerals such as calcium, iron, zinc, potassium, manganese, magnesium. It facilitates digestion. Taste opo before juicing. If it is bitter, discard the entire vegetable. This can be a sign that a poison that has formed.

↑ alkalinity
↑ idigestion