Novel use of Eurycoma longifolia Jack
A disease, ethanol technology, applied in the field of medicine, can solve unseen problems such as diabetes prevention and/or treatment
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Embodiment 1
[0060] The preparation of embodiment 1 Tongkat Ali water extract
[0061] Take the root of Tongkat Ali medicinal material, crush it, weigh about 20g, and extract three times with 10 times the amount of water under reflux. The extraction time is 2h, 1.5h, and 1.5h respectively, and the temperature is about 90°C. Combine the extracts and concentrate under reduced pressure to 10ml, the specification is 2:1 (g / ml).
Embodiment 2
[0062] The preparation of embodiment 2 Tongkat Ali alcohol extract
[0063] Take the root of the Tongkat Ali medicinal material, crush it, weigh about 20g, and extract three times with 10 times the amount of 95% ethanol under reflux. The extraction time is 2h, 1.5h, and 1.5h respectively, and the temperature is about 70°C. Combine the extracts and reduce pressure Concentrate to 10ml, the specification is 2:1 (g / ml).
Embodiment 3
[0064] The preparation of embodiment 3 Tongkat Ali petroleum ether, methylene chloride, ethyl acetate, n-butanol extract
[0065] Prepare 400 g of Tongkat Ali alcohol extract according to the method in Example 2, add water to disperse until completely dissolved, and sequentially extract with petroleum ether, dichloromethane, ethyl acetate, and n-butanol. Concentrate each part of the extract under reduced pressure, and concentrate the extracted water layer to obtain each part of the extract. The yield and character of each extract are shown in Table 1.
[0066] Table 1 Characters and yields of each extract of Tongkat Ali
[0067] batch number
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