Nutritional infant rice flour capable of conditioning upper respiratory tract infection, and preparation method thereof
A technology for nourishing rice flour and upper respiratory tract, which is applied in the field of rice flour preparation, which can solve the problems of rice flour being easy to get angry and low extraction efficiency of active ingredients, and achieve the effect of improving extraction efficiency
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Embodiment 1
[0021] The specific preparation process of medicinal food conditioning powder is as follows:
[0022] Step 1: Clean and dry honeysuckle, chrysanthemum, light bamboo leaves and mulberry leaves, and grind them into a powder with a particle size of less than 300 mesh, and then mix them in a mass ratio of 3:1:1.9:2.4;
[0023] Step 2: Add 1kg of the mixed powder into 24L of 40% ethanol solution, ultrasonicate for 30-40min, then heat up to 80-85°C and reflux for 3-4h, filter to obtain a primary filtrate, and add the obtained primary filter residue to 20L In an ethanol solution with a concentration of 75%, ultrasonically for 10-20min, then heat up to 50°C and reflux for 1-1.5h, filter to obtain the secondary filtrate, add the secondary filter residue to 12L ethyl acetate solution, heat up to 60°C and reflux for 2 -3h, then filter to obtain three filtrates;
[0024] Step 3: Add the primary filtrate, secondary filtrate and tertiary filtrate obtained in step 2 to the evaporator at the...
Embodiment 2
[0027] The specific preparation process of medicinal food conditioning powder is as follows:
[0028] Step 1: Clean and dry honeysuckle, chrysanthemum, light bamboo leaves and mulberry leaves, and grind them into a powder with a particle size of less than 300 mesh, and then mix them in a mass ratio of 3:1:1.9:2.4;
[0029] Step 2: Add 1kg of the mixed powder into 24L of 75% ethanol solution, ultrasonicate for 30-40min, then heat up to 80-85°C and reflux for 3-4h, filter to obtain a primary filtrate, and add the obtained primary filter residue to 20L In an ethanol solution with a concentration of 75%, ultrasonically for 10-20min, then heat up to 50°C and reflux for 1-1.5h, filter to obtain the secondary filtrate, add the secondary filter residue to 12L ethyl acetate solution, heat up to 60°C and reflux for 2 -3h, then filter to obtain three filtrates;
[0030] Step 3: Add the primary filtrate, secondary filtrate and tertiary filtrate obtained in step 2 to the evaporator at the...
Embodiment 3
[0033] The specific preparation process of medicinal food conditioning powder is as follows:
[0034] Step 1: Clean and dry honeysuckle, chrysanthemum, light bamboo leaves and mulberry leaves, and grind them into a powder with a particle size of less than 300 mesh, and then mix them in a mass ratio of 3:1:1.9:2.4;
[0035] Step 2: Add 1kg of the mixed powder into 24L of ethanol solution with a concentration of 75%, ultrasonicate for 30-40min, then heat up to 80-85°C and reflux for 3-4h, filter to obtain a primary filtrate, and add the primary filter residue to 12L ethyl acetate In the ester solution, the temperature was raised to 60°C and refluxed for 2-3h, and then filtered to obtain the secondary filtrate;
[0036] Step 3: Add the primary filtrate and secondary filtrate obtained in step 2 to the evaporator at the same time, carry out vacuum distillation, remove the solvent therein, and obtain 65.29g of active ingredient extract;
[0037] Step 4: Add 48g of the active ingredie...
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