Composition for prevention or treatment of prostate disease, containing extract from stauntonia hexaphylla and cornus officinalis as active ingredients
A technology of active ingredients and extracts, applied in the field of compositions for the prevention or treatment of prostate diseases, can solve problems such as multiple side effects and limited efficacy, and achieve excellent inhibitory effects
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[0037] In the preparation method of the present invention, the Japanese wild papaya or dogwood in step 1), whether cultivated or marketed, can be used without limitation. Furthermore, the above-mentioned papaya can use flowers, branches, stems, leaves, fruits, aerial parts, rhizomes, roots or combinations thereof, and more specifically, papaya leaves can be used.
[0038] In the preparation method of the present invention, preferably, water, alcohol or a mixture thereof can be used as the extraction solvent in the above step 1). Preferably, the above-mentioned alcohol uses C 1 to C 2 The lower alcohol, preferably ethanol or methanol is used as the lower alcohol. Preferably, the extraction method uses shaking extraction, Soxhelt extraction or reflux extraction, but is not limited thereto. Preferably, extraction is performed by adding 1 to 20 times the amount of extraction solvent relative to the dried Japanese wild papaya or dogwood, more preferably, 3 to 17 times the amount...
Embodiment 1
[0068] Embodiment 1. Preparation of Japanese wild papaya extract
[0069] 300 ml of 70% alcohol was put into 20 g of dried papaya leaves, and the low-temperature extraction was performed for 12 hours by ultrasonic waves. After the obtained extract was filtered with filter paper, 300 ml of 70% alcohol was used to extract the filtered residue at low temperature for 12 hours and the process of filtering was repeated twice. After the extraction, the filtrates were combined and concentrated under reduced pressure and freeze-dried to obtain the Japanese wild papaya extract.
Embodiment 2
[0070] Example 2. Preparation of Cornus officinalis Extract
[0071] 300 ml of 70% alcohol was put into 20 g of dried Cornus officinalis, and low-temperature extraction was performed for 12 hours by ultrasonic waves. After the obtained extract was filtered with filter paper, 300 ml of 70% alcohol was used to extract the filtered residue at low temperature for 12 hours and the process of filtering was repeated twice. After the extraction, the filtrates were combined and concentrated under reduced pressure and freeze-dried to obtain the Cornus officinalis extract.
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