Asparagus oral liquid for preventing and curing tumor disease and preparation method thereof
An asparagus oral liquid and asparagus extract technology, which is applied in the field of medicine, can solve the problems of easy formation of secondary tumors, severe human body damage, accumulation of poisoning, etc., and achieve the effects of easy product quality, stable curative effect, and enhanced sensitization.
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Embodiment 1
[0016] Embodiment 1. preparation method of asparagus extract of the present invention:
[0017] Take fresh asparagus, wash it, extract the juice, pass through a 300-mesh sieve, concentrate the filtrate under reduced pressure to a relative density of 1.06 (75°C), add an appropriate amount of potassium sorbate and stevioside, boil to dissolve, and filter through a ceramic membrane (pore size 0.3 μm) After that, it is the fine filtrate extract; and the content of total amino acid, total nitrogen and aspartic acid in the extract is measured by chromogenic method, nitrogen determination method and high performance liquid chromatography respectively, wherein the total amino acid content is 2~ 20%, the total nitrogen content is 1-10%, and the aspartic acid content is 0.15-3%.
Embodiment 2
[0018] Embodiment 2. preparation method of asparagus extract of the present invention:
[0019] Take fresh asparagus and add 10 times the amount of water to decoct three times, each time for 2 hours, combine the decoctions, concentrate under reduced pressure to obtain a concentrated solution with a relative density of 1.08 (85°C), add an appropriate amount of potassium sorbate and stevioside, and boil to dissolve. Ceramic membrane (pore size 0.1μm) is filtered, which is the fine filtrate extract; and the contents of total amino acids, total nitrogen and aspartic acid in the extract are measured by chromogenic method, nitrogen determination method and high performance liquid chromatography respectively , wherein the total amino acid content is 3-40%, the total nitrogen content is 2-20%, and the aspartic acid content is 0.3-5%.
Embodiment 3
[0020] Embodiment 3. preparation method of asparagus extract of the present invention:
[0021] Take fresh asparagus and add 8 times the amount of 70% ethanol to heat and extract three times, each time for 1.5 hours, combine the extracts, concentrate under reduced pressure to obtain a concentrated solution. Dilute the concentrated solution with heated water, filter to obtain the filtrate, add appropriate amount of potassium sorbate, appropriate amount of stevioside, boil to dissolve, filter through a ceramic membrane (pore size 0.2 μm), and obtain the fine filtrate extract; Determination method and high-performance liquid chromatography measure the content of total amino acid, total nitrogen and aspartic acid in the extract, wherein the total amino acid content is 2-30%, the total nitrogen content is 2-12%, and the aspartic acid content 0.2 to 4%.
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