Rhodiola rosea extract as well as preparation method and application thereof
A technology of Rhodiola rosea and its extracts, which can be applied in the fields of pharmaceutical formulations, cosmetic preparations, dressing preparations, etc. It can solve the problems of restricting the application of Rhodiola rosea, different fermentation conditions, and low melanin inhibition ability, and achieve the production process. The effect of simple process, increased tyrosol content, and enhanced ATP production capacity
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Embodiment 1
[0040] Embodiment 1 Rhodiola rosea fermentation method and functional assay method
[0041] 1 Materials and methods
[0042] material name buy manufacturers Lactobacillus delbrueckii freeze-dried powder Shanghai Fuxiang Biotechnology Co., Ltd. Rhodiola rosea (origin Sichuan) Hebei Golden Leaf Pharmaceutical Co., Ltd. MRS Broth Medium Hangzhou Best Biotechnology Co., Ltd. SK-MEL-2 (human cutaneous malignant melanoma) cells Shanghai Aolu Biotechnology Co., Ltd. B16F10 (mouse melanoma) cells Shanghai Jingkang Biological Engineering Co., Ltd. BYJC0090 ultra-trace ATPase test kit Shanghai Kemin Biotechnology Co., Ltd. human skin fibroblasts Shanghai Xinyu Biotechnology Co., Ltd.
[0043] 1.1. Grind Rhodiola rosea into powder (20-80 mesh) with a pulverizer, and then use it after autoclaving. Sterilization conditions: 121°C, 30min.
[0044] 1.2, Culture medium preparation: Take 49.25g of MRS broth, add 1L of distilled w...
Embodiment 2
[0060] The functional measurement of embodiment 2 comparative example
[0061] 2.1: Determination of salidroside and tyrosol content
[0062] For the unfermented Rhodiola rosea extract (comparative example), different gradient solutions were prepared after adding methanol solution (chromatographic grade), and used after filtering with a 0.2 μm filter membrane. Add the pure products of salidroside and tyrosol to methanol solution (chromatographic grade) to configure different gradient solutions, establish a standard curve, and refer to the steps of 1.6 in Example 1 to determine salidroside and tyrosol in the unfermented Rhodiola rosea extract. Alcohol content.
[0063] 2.2: Melanin Determination
[0064] According to the steps of 1.7 in Example 1, the melanin of human malignant melanoma cells and the melanin of mouse melanoma cells were measured, and the melanin and melanin of human malignant melanoma cells were measured with different concentrations of unfermented Rhodiola r...
Embodiment 3
[0067] Fermentation and extraction of Rhodiola rosea under various different conditions of embodiment 3
[0068] Carry out the preparation of Rhodiola rosea fermentation product extract according to the step of embodiment 1, after Rhodiola rosea is pulverized, join in the sterilized liquid medium, and inoculate and cultivate Lactobacillus delbrueckii, the ratio is Rhodiola rosea powder: Liquid culture medium: bacterial liquid=1:2-3:0.5. The culture temperature was set at 37±3°C, 70% ethanol was used as the extraction solvent, and the extraction time was 3 hours. For specific steps, see figure 2 , concentrated and centrifuged to obtain the supernatant, and the filtrate obtained by filtering with 5C filter paper is the Rhodiola rosea fermentation product extract. Fermentation culture time and conditions are different, as shown in the table below:
[0069] Extract of the present invention Fermentation time Rhodiola rosea powder: culture medium: bacterial liquid ...
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