Pumpkin is rich in carotene and cellulose, and also contains peptizing enzyme, which can dissolve insoluble protein and promote digestion and absorption. In the past, people didn't know enough about the value of pumpkin. Recently, it was found that pumpkin is not only nutritious, but also has good medicinal value. Therefore, the development of pumpkin products has been paid more and more attention and has broad market prospects. At present, pumpkin powder is the main pumpkin product developed on a large scale in the market.

(1) Pumpkin powder types Pumpkin powder can be divided into whole pumpkin powder and instant pumpkin powder. Pumpkin whole powder is a kind of pumpkin powder produced by drying and crushing, and pumpkin instant powder is produced by spray drying.

① Processing technology of pumpkin powder. Pumpkin → cleaning and soaking → cutting into pieces → removing seeds → color protection treatment → drying → crushing → screening → packaging → finished products → inspection → packing and warehousing.

② The technological process of pumpkin instant powder. Pumpkin → soaking, disinfection → cleaning → cutting into pieces → removing seeds → coarse grinding → secondary grinding → pulping → colloid grinding and refining → slurry residue separation → blending → high pressure homogenization → double-effect concentration → thermal storage → pressure spray drying → powder collection → powder screening → packaging → boxing → warehousing.

(2) Main links and precautions in the processing of pumpkin powder ① Raw materials. Choose ripe pumpkin with good flavor, smooth skin and orange meat.

② Cleaning and finishing. Put the pumpkin in clean water and wash away dirt. Remove the pedicel of the washed pumpkin, then cut it in half with a knife, remove the skin and the inner flesh and seeds, and cut it into strips. ③ dehydration. Put the cut pumpkin into an oven for dehydration. The drying temperature should be controlled at 45 ~ 60℃ first, and then it can be gradually increased, but it cannot exceed 70℃. Dry until that water content of the dry product is below 6%. (4) crushing and sieving. The dehydrate pumpkin strips are crus into fine powder by a crusher. Pass the pumpkin powder through a 60-80 mesh sieve, and the particles that fail can be further crushed and sieved. ⑤ packaging. Adopt vacuum packaging machine or composite plastic food bag for aseptic packaging.