The invention belongs to the technical field of food, and particularly discloses low-
sugar raspberry composite jam and a preparation method thereof. The low-
sugar raspberry composite jam comprises the following components in parts by weight: 280-320 parts of
black raspberry fruits, 90-110 parts of red raspberry fruits, 300-350 parts of carrots, 2-4 parts of red dates, 2-5 parts of medlar fruits, 3-6 parts of aloes, 1-5 parts of cherries, 150-200 parts of white granulated
sugar, 4-6 parts of low methoxyl
pectin, 0.5-1.0 part of CaCl2 and 0.10-0.20 part of
xanthan gum. The preparation method comprises the steps of rinsing, pulping, blending, vacuum concentration, vacuum packaging and ultrahigh pressure sterilization. The low-sugar raspberry composite jam provided by the invention has the functions of resisting aging, beautifying, balancing
blood pressure, improving eyesight, treating gastrointestinal diseases and preventing multiple cancers, tastes sweet and acidy, and is good for people of all ages; the preparation method utilizes techniques of low-temperature vacuum concentration and ultrahigh pressure sterilization, and therefore
nutrient substances in the raw materials are protected from damage.