How to make passion fruit jam without heating

Passion fruit has a relatively high nutritional value and is rich in vitamins and minerals. Passion fruit can be made into jam in many ways. It can be heated or made directly without heating. Both are better methods. When making jam, the prepared glass bottle must be scalded with boiling water so that the passion fruit jam can be preserved longer and avoid the jam from spoiling due to uncleanliness inside.

How to make passion fruit jam without heating

Yes! Vitamin C will be destroyed by heating. Passion fruit, scientifically known as Passiflora edulis, is also known as egg fruit, passion fruit, and granadilla. It is known as passion fruit because of its nutritious juice, fragrant smell, and the aroma of many fruits such as guava, mango, banana, etc. Passion fruit originates from the tropical rainforests along the Amazon River in South America. Because the shape of its flower resembles the cross of Christ, it was once believed by Spanish explorers and missionaries to be the "miracle fruit" eaten by the first human ancestors Adam and Eve mentioned in the Bible. Therefore, its English name is "passion fruit", which means "fruit of enthusiasm, passion and love." Passion fruit is native to Brazil and is now widely grown in tropical and subtropical regions. It is grown in South America, South Africa, Southeast Asian countries, Australia and the South Pacific. Our country has recently introduced passion fruit for trial planting and listed it as a famous and rare fruit variety in Guangdong.

Passion fruit is a herbaceous vine, about 6 meters long; the stem is finely striated and hairless. There are 5 petals, which are the same length as the sepals; the base is light green, the middle is purple, and the top is white. The berry is ovoid, 3 to 4 cm in diameter, glabrous, and the skin of the ripe fruit is purple; there are many seeds, which are ovate. The flowering period is June and the fruiting period is November. The fruit can be eaten raw or used as vegetables or feed. It has stimulating and strengthening effects when used as medicine. The fruit pulp is juicy and can be made into a fragrant and delicious beverage by adding calcium bicarbonate and sugar. The seeds can be pressed for oil, which can be used for food and for making soap, paint, etc. The flowers are large and beautiful, without fragrance, and can be used as ornamental plants in gardens.

There are three varieties of passion fruit, namely yellow passion fruit, purple passion fruit and purple passion fruit. Among them, the purple passion fruit is a high-quality variety that is a hybrid of yellow and purple passion fruits. It has a high juice content, a very fragrant taste, and strong disease resistance.

Nutritional value of passion fruit

The passion fruit juice content is as high as 30-35%. The juice has the rich aroma of dozens of fruits and is rich in vitamins and organic acids. Diluting it with sugar makes it a good food for cooling off. Fruit juice is particularly nutritious. According to scientific analysis, every 100 grams of passion fruit juice contains 15.2 grams of total sugar, 4 grams of total acid, 1.36 grams of protein, 1.22 grams of fat, 24.6 milligrams of phosphorus, 30 milligrams of calcium, 227 milligrams of potassium, 1.3 milligrams of vitamin A, 1.25 milligrams of vitamin B, 70 milligrams of vitamin C, and the organic acid content is about 3%. There are 17 kinds of amino acids, accounting for 20% of the total amino acids needed by the human body. Passion fruit is very rich in natural vitamin C. Every 100 grams of juice contains 34.6 mg of vitamin C. It is also rich in vitamins A, B1, B2, etc. It also contains rich calcium, phosphorus, iron, and various amino acids and trace elements.

The egg fruit is rich in more than 160 kinds of beneficial ingredients essential to the human body, including organic acid, niacin, amino acids, linoleic acid, minerals, β-carotene, lycopene, soluble dietary fiber, biotin, flavonoids, etc. It is a natural food with high health and medicinal value.

There are 165 compounds in passion fruit juice that make up its unique aroma. Regular consumption of egg fruit has the effects of refreshing the mind, beautifying the skin, promoting fluid production and quenching thirst, aiding digestion, resolving phlegm and relieving cough, relieving constipation, promoting blood circulation and strengthening the body, improving the body's immune function, nourishing yin and tonifying the kidney, eliminating fatigue, lowering blood pressure and blood lipids, delaying aging, and resisting hypertension. The roots, stems and leaves of the egg fruit have anti-inflammatory, analgesic, lipid-lowering and blood pressure-lowering effects.