Method for making longan jam

Abstract

The invention discloses a method for making longan jam. The method comprises the following steps of: (1) weighing raw materials including 100-300 parts of longan, 50-100 parts of sugar and 1-3 parts of citric acid; (2) cleaning the longan, and separating the pulp, the kernels and the peels of the longan from one other; (3) crushing the peels and the kernels until the granularity of the crushed peels and kernels is in the range of 1-3 mm, adding appropriate hot water to the crushed peels and kernels for blanching, and then heating the blanched peels and kernels until pectin is released, thereby obtaining mixed fruit paste; (4) decocting the sugar and water at 60 to 70 DEG C to obtain syrup with the concentration in the range from 50% to 60%; (5) stirring appropriate syrup and the pulp evenly, absorbing the mixture in a vacuum tank, and softening the mixture to obtain softened pulp; and (6) mixing the mixed fruit paste, the softened pulp, the citric acid and the left syrup together and heating the mixture to be boiled for 8-15 minutes, thereby obtaining the longan jam. The longan jam is rich in aroma, low in sugar and delicious, and further has the effects of tonifying Yang and Qi, tonifying heart and spleen, nourishing blood for tranquilization, and beautifying and moisturizing skin.

Description

technical field

[0001] The invention belongs to the technical field of food, and in particular relates to a preparation method of longan jam. Background technique

[0002] Longan, also known as "longan", is a rare and precious specialty in the south subtropical zone of my country. Ripe fruits are harvested from June to July. Fresh longan is tender and tender, white in color, full of juice, sweet as honey, and is a popular seasonal fruit. After the pulp is dried, the color is dark brown, the flesh is flexible, and the sweetness is stronger. It is edible and often used as medicine. Longan is rich in nutrients such as sugar, protein and multivitamins. It has the effects of nourishing and strengthening the body, nourishing the heart and calming the nerves, nourishing blood and strengthening yang, nourishing the spleen and appetizing, and moisturizing and beautifying the skin.

[0003] The jam on the market takes fresh fruit as the main raw material, and after peeling and remo...