Alcoholic extract paste of common coltsfoot flower and preparation method and application thereof
The technology of extract and anthocyanin is applied in the field of cigarette additive preparation, and achieves the effects of improving the taste and aftertaste, being easy to operate and having good practical value.
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Embodiment 1
[0030] Take by weighing 1000 grams of coltsfoot coarse powder that has been crushed through a 20-mesh sieve, put it into an Erlenmeyer flask, add 5000 ml of ethanol with a concentration of 95%, uniformly stir, heat and soak for 48 hours at 30 ° C, carry out solid-liquid separation with a Buchner funnel, and collect To clarify the liquid, the obtained liquid was first distilled at 60°C under normal pressure for 0.5h, then concentrated by distillation at a vacuum of 0.025Mpa and a distillation temperature of 30°C for 1.5h to obtain 15.3 grams of extract.
Embodiment 2
[0032] Take by weighing 1000 grams of coltsfoot coarse powder that has been crushed through a 30-mesh sieve, put it into an Erlenmeyer flask, add 7500 ml of ethanol with a concentration of 75%, uniformly stir, heat and soak for 24 hours at 50°C, carry out solid-liquid separation with a Buchner funnel, and collect To clarify the liquid, the obtained liquid was first distilled at 60°C under normal pressure for 0.5h, then concentrated by distillation at a vacuum of 0.05Mpa and a distillation temperature of 50°C for 1h to obtain 15.0 g of extract.
Embodiment 3
[0034] Take by weighing 1000 grams of coltsfoot coarse powder that has been crushed through a 20 mesh sieve, put it into an Erlenmeyer flask, add 10,000 ml of ethanol with a concentration of 55%, stir and soak evenly at 20°C for 72 hours, carry out solid-liquid separation with a Buchner funnel, and collect To clarify the liquid, the obtained liquid was first distilled at 60°C under normal pressure for 0.5h, then concentrated by distillation at a vacuum of 0.01Mpa and a distillation temperature of 15°C for 3h to obtain 14.8 grams of extract.
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