Technology of making marshmallow from potato dregs
Potato residue is the leftover after extracting starch, which can be used to make Yee sugar, which can turn waste into treasure.
1. Malting: soak the barley in clean water for 1-2 hours and keep the water temperature for 20-25 ℃. Pick up the barley, germinate in a room of 25 ℃, and sprinkle water twice a day. After 4 days, the malt can grow to more than 2 centimeters.
two。 Ingredients: grind the potato dregs, sift, add 25% of the husk, sprinkle 8% of the water on the ingredients, mix well and place for 1 hour. Steam the mixture in the upper drawer for 3 times, add 40% for the first time, 30% after aeration, and add the rest of the mixture after re-aeration. When it comes up from the atmosphere, steam for 2 hours.
3. Saccharification: after the material is steamed, put it into a bucket, add an appropriate amount of water soaked in malt, and mix well. When the temperature drops to 60 ℃, add the prepared malt, and the amount of malt is 10% of the material weight. Mix well, pour in an appropriate amount of malt water. When the temperature drops to 54 ℃, heat for 4 hours (add 65 ℃ warm water to keep warm). After full saccharification, filter out the sugar solution.
4. Make sugar: put the sugar solution into the pot and boil the sugar to concentrate. Start with a lot of firepower. As the sugar solution is concentrated, the firepower gradually weakens and keeps stirring to prevent coking. Finally, boil it over low heat. When it is condensed to 40 Baume degrees, it becomes Yee sugar.
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Potato Zhengshu 4
Variety source: Henan Zhengzhou vegetable Research Institute used "Gaoyuan 7" as female parent and "vera" as male parent in 1978, and began to popularize. Main characters: plant type development, plant height about 60cm, stem green, growth potential strong; leaves green, velutinous, compound leaves large, lateral leaflets 4: 5 pairs: inflorescence peduncle green with light purple peduncle colored, stamens orange, stigma 2-lobed, natural fruiting weak; berries green, medium size, seeded; tubers round, apical shape, yellow yellow.
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Potato dregs can be made into protein feed
Recently, researchers at Harbin Institute of Technology have made gratifying progress in the production of single-cell protein feed from waste potato dregs. The researchers not only screened out the excellent strain combination for producing cell protein, but also designed and formulated a complete technological route for the production of single-cell protein feed from potato dregs. The production of cellular protein by liquid fermentation by adding juice to potato dregs is proposed and applied for the first time at home and abroad. China produces more than 7000 million tons of potatoes annually and processes more than 3.4 million tons of starch surplus potato dregs.
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