Coffee and purple potato starch
A technology of purple sweet potato starch and coffee, which is applied to the functions of coffee and food ingredients, food ingredients containing natural extracts, etc., can solve the problems of rare and unsatisfactory varieties of purple sweet potato products, and achieve nerve fatigue and balance Endocrine, aroma-rich effect
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[0017] A coffee purple potato starch made from the following raw materials in parts by weight (Kg): 980 fresh purple sweet potatoes, 15 roses, 50 coffee beans, 55 soybean milk, 60 green tea juice, 10 dark plums, 8 mulberries, 8 longan meat, and privet 4. Polygonum multiflorum 3. Maca 3. Wild rose fruit 5. An appropriate amount of acid ethanol solution with a pH of 2 and an appropriate amount of water.
[0018] A preparation method of coffee purple potato starch, comprising the following steps:
[0019] (1) Wash the fresh purple sweet potato, mix it with the acid ethanol solution, crush it with a mashing homogenizer for 90 seconds, filter it with gauze, and let the filtrate stand for precipitation. After the starch is separated, use the principle of siphon to separate the starch and the supernatant Separating and drying the starch at 40°C to obtain purple potato starch for use;
[0020] (2) Mix the supernatant in step (1) with the filter residue, heat in microwave at a microwa...
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