The passion fruit, also known as the egg fruit, is a herbaceous vine in the passion flower family Passiflora. Passion fruit fruit shape is egg-shaped, 6-13 centimeters long, 8-13 centimeters wide, single fruit weight 40-100 grams. There are two main types of purple fruit and yellow fruit, native to the Antilles, widely planted in tropical and subtropical areas.

Passion fruit in the average annual temperature of 18 ℃ above the region is most suitable for planting, in the warm and humid areas of southern China, especially in Hainan region is more widely distributed. As a tropical fruit, passion fruit is suitable for growth in sunny conditions to promote branch growth and nutrient accumulation. Passion fruit planted in the spring of the year, July can bloom, September can be harvested fruit. From the second year of planting onwards, it starts to bloom in April every year, and can bloom 5-6 batches a year, and it takes 60-70 days from blooming to fruit ripening.

The passion fruit has the title of "king of juice", there are two varieties of yellow and purple; yolk fruit is orange-yellow, the color of the flesh is close to egg yolk, so it is named. Fruit can be eaten raw or as vegetables, fodder, fruit juice, add calcium bicarbonate and sugar, can be made into fragrant and delicious drinks. Seed oil, edible and soap, paint, etc., large and beautiful flowers can be used as garden ornamental plants.

Passion fruit juice flavor, sweetness, commonly used to processed into juice for people to eat. Passion fruit is a tropical fruit, pulp containing sugar 29.1-30.5%, starch 5.6-8.1%, crude fat 1-1.14%, per 100 grams of pulp containing vitamin C24.3mg. Fruit in addition to raw food, can be made of jam, ice cream, beverages or fruit wine. Hainan yolk fruit beauty effects. Passion fruit is rich in phosphorus, iron, calcium, vitamin C, carotenoids and other nutrients and the human body must be seventeen kinds of amino acids.