Plant source natural freshness-retaining preservative with liquorice as raw materials
A plant-derived and preservative technology, applied in the field of food additives, can solve the problems that natural preservatives are difficult to preserve for a long time, and natural preservatives are difficult to effectively maintain freshness, etc., so as to facilitate large-scale promotion, obvious preservative effect, and good fresh-keeping effect. Effect
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Embodiment 1
[0011] Embodiment 1: Weigh 6KG licorice, 4KG pine needles and 3KG rosemary according to the specified ratio, wash, chop and mix, then put the mixture into a multifunctional extraction tank, add water 4 times the quality of the mixture, and adjust the extraction tank The pressure is 1.5MPa, the temperature is 35°C, extract 3 times, 1.5 hours each time, to obtain a mixed extract, and then let the extract stand for 18 hours, and take the supernatant to pass through the apertures of 100 mesh, 200 mesh and 400 mesh in turn. Filter three times with a silk screen, then add 1KG of Forsythia extract and 1KG salt to the filtrate, then put it into a vacuum concentration tank, concentrate at 3°C to obtain the extract, and finally pass the extract through a drying tower for drying , after drying, it can be crushed to 100 mesh by a universal pulverizer.
Embodiment 2
[0012] Embodiment 2: Take by weighing 10KG licorice root, 6KG pine needles and 5KG rosemary according to the specified ratio, wash, chop and mix, then put the mixture into a multifunctional extraction tank, add water 4 times the quality of the mixture, and adjust the extraction tank The pressure is 1.5MPa, the temperature is 38°C, extract 3 times, each time for 1.5 hours, to obtain a mixed extract, and then let the extract stand for 18 hours, and take the supernatant to pass through the apertures of 100 mesh, 200 mesh and 400 mesh in turn. Filter three times with a silk screen, then add 1.5KG of forsythia extract and 2KG salt to the filtrate, then put it into a vacuum concentration tank, concentrate at 3°C to obtain an extract, and finally pass the extract through a drying tower Dry, and after drying, pulverize to 100 mesh by a universal pulverizer.
Embodiment 3
[0013] Embodiment 3: Take by weighing 10KG licorice root, 5KG pine needles and 4KG rosemary according to the specified ratio, wash, chop and mix, then put the mixture into a multifunctional extraction tank, add water 4 times the quality of the mixture, and adjust the extraction tank The pressure is 1.5MPa, the temperature is 35-38°C, extract 3 times, each time for 1.5 hours, to obtain a mixed extract, and then let the extract stand for 18 hours, take the supernatant and pass through the apertures of 100 mesh, 200 mesh and Filter three times with a 400-mesh screen, then add 1KG of forsythia extract and 1KG salt to the filtrate, then put it in a vacuum concentration tank, concentrate at 3°C to obtain the extract, and finally pass the extract through the drying tower Drying is carried out, and after drying, it is pulverized to 100 mesh by a universal pulverizer. After a comprehensive comparison, under the same concentration conditions, the plant-derived natural fresh-keeping pr...
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