Use of russule extract in preparing preparation for treating and/or preventing intestinal flora disorder and related diseases
A technology of intestinal flora imbalance and extracts, which is applied in metabolic diseases, allergic diseases, anti-inflammatory agents, etc., can solve the problems of functional scope and marketing confusion, unclear quality control indicators of functional factors, and insufficient functions , to achieve the effect of improving various physiological and pathological indicators related to immunity, contributing to the diversification of flora, and obvious therapeutic and/or preventive effects
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[0050] In the fifth aspect of the present invention, a preparation method of russula extract is provided, comprising: after crushing the fruiting body of russula, sequentially extracting with alcohol, water, and sodium hydroxide (NaOH aqueous solution) to obtain The solution is extracted, concentrated and freeze-dried respectively to obtain the alcohol extract of the russula, the water extract of the russula and the alkali extract of the russula.
[0051] Preferably, a preparation method of Russula russula extract comprises: after crushing the fruiting body of Russula russula, extracting with 95% ethanol, water, and 1%-2% NaOH alkaline water successively to obtain extraction solutions respectively, and then separately After concentrating and freeze-drying, the alcohol extract of russula, water extract of russula and alkali extract of russula are obtained.
[0052] Preferably, a method for preparing a russula extract, comprising: crushing the fruit body of russula, extracting w...
Embodiment 1
[0066] Embodiment 1: the preparation of russula extract, the steps are as follows:
[0067] (1) Pulverize the fruiting bodies of Russula russula, use ethanol with a solid-to-liquid ratio of 1:8-1:15, extract by reflux for 2-4 hours, filter with suction, obtain the filtrate, concentrate under reduced pressure to obtain a thick paste of appropriate concentration, thick paste Freeze overnight at -80°C and dry in a freeze dryer to obtain the alcohol extract of Russatus.
[0068] (2) Take the above-mentioned filter residue after alcohol extraction, use water with a material-to-liquid ratio of 1:8-1:15, reflux extraction for 1-3 hours, and suction filter to obtain the filtrate, concentrate under reduced pressure to obtain a thick paste of appropriate concentration, The thick paste was frozen overnight at -80°C, and dried in a freeze dryer to obtain the water extract of Russula edodes.
[0069] (3) Take the above-mentioned filter residue extracted by alcohol and water, use 2% NaOH a...
Embodiment 2
[0074] Example 2: Improvement effect of Russula extract on indicators related to intestinal flora imbalance in mice induced by high-fat diet
[0075] 1. Reagents:
[0076] Total cholesterol (T-CHO) test kit: Nanjing Jiancheng Institute of Bioengineering.
[0077] Triglyceride (TG) test kit: Nanjing Jiancheng Institute of Bioengineering.
[0078] Low-density lipoprotein cholesterol (LDL-C) test kit: Nanjing Jiancheng Bioengineering Institute.
[0079] High-density lipoprotein cholesterol (HDL-C) test kit: Nanjing Jiancheng Bioengineering Institute.
[0080] Thirty female C57 mice, SPF grade, weighing 12-14 g, and 28-30 days old, were purchased from Guangdong Medical Experimental Animal Center with license number SCXK (Guangdong) 2013-0002.
[0081] Rats and mice maintained feed: Guangdong Medical Experimental Animal Center, license number SCXK (Guangdong) 2013-0002.
[0082] The high-fat and high-cholesterol feed formula is shown in Table 2.
[0083] Table 2 Main component...
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