Baicalein metal complex prepared by ore coagulation method and preparation method of preparation thereof
A technology of metal complexes and baicalein, which is applied in the field of preparation of baicalein metal complexes and their preparations by ore coagulation method, can solve the problems of high consumption of organic reagents, difficulty in passing approval, and high equipment requirements, and achieve protection The environment, the preparation method are simple and easy, and the effect of high content
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Embodiment 1
[0036] Embodiment 1 A kind of ore coagulation method prepares the preparation method of baicalein metal complex, the steps are as follows:
[0037] (1) Put 100g of Scutellaria baicalensis slices into 800g 40 (v / v)% ethanol solution and warm soak (60°C) twice (the amount of ethanol solution for the second time is also 800g, the same below), each time for 1.5 hours, combine the warm soak solution, reduce Concentrate under pressure until the counting number of the alcohol content measurement is zero to obtain the concentrated solution A, which is kept at 60°C for later use;
[0038] (2) Get each 4g of ore class traditional Chinese medicine gall alum and alum, decoct twice with purified water, each 80g purified water, get decoction B;
[0039] (3) After mixing the decoction solution B and the concentrated solution A according to the mass ratio of 1:20, filter the precipitate, wash the precipitate with purified water 3 times and dry to obtain the baicalein metal complex with a mass...
Embodiment 2
[0041] Embodiment 2 A kind of ore coagulation method prepares the preparation method of baicalein metal complex, and the steps are as follows:
[0042] (1) put 100g of Scutellaria baicalensis pieces into 800g of 50 (v / v)% ethanol solution and warm soak (60°C) for 2 times, each time for 1.5 hours, combine the warm soak liquid, concentrate under reduced pressure until the counting number of alcohol content determination is zero, and obtain Concentrate A, keep warm at 60°C for later use;
[0043] (2) get each 4g of ore class traditional Chinese medicine soap alum and calamine, decoct twice, each 80g purified water, get decoction B;
[0044] (3) Mix the decoction B and the concentrated solution A according to the mass ratio of 1:30, then filter to collect the precipitate, wash the precipitate with purified water 3 times and dry to obtain the baicalein metal complex with a mass of 19.72 g.
[0045] The obtained baicalein metal complex content assay spectrum is shown in image 3 ,...
Embodiment 3
[0046] Embodiment 3 A kind of ore coagulation method prepares the preparation method of baicalein metal complex, the steps are as follows:
[0047] (1) put 100g of Scutellaria baicalensis pieces into 800g of 50 (v / v)% ethanol solution and warm soak (60°C) for 2 times, each time for 1.5 hours, combine the warm soak liquid, concentrate under reduced pressure until the counting number of alcohol content determination is zero, and obtain Concentrate A, keep warm at 60°C for later use;
[0048] (2) Get 8 g of calamine, decoct twice, each time with 80 g of purified water, to obtain decoction B;
[0049] (3) Mix the decoction B and concentrated solution A according to the mass ratio of 1:40, then filter the precipitate, wash the precipitate with purified water 3 times and dry to obtain the baicalein metal complex with a mass of 20.27 g.
[0050] The obtained baicalein metal complex content assay spectrum is shown in Figure 4 , the content calculated by baicalin is 46.46%, and the ...
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