Natural anti-stimulation repair factor and preparation method thereof
An anti-irritant and natural technology, applied in skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., can solve the problems of skin cell toxicity, etc., and achieve the effects of fast growth, promoting expression, and effective cells
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Embodiment 1
[0039] 1.1 Cultivation of Chinese cabbage test tube root
[0040] Specifically include the following:
[0041] (1) Leaf disk transformation
[0042] ① Sterilize the cabbage seeds with 70% ethanol for 1 to 3 minutes, then treat them with 1% NaClO for 15 minutes, and wash them with sterile water three times. The treated seeds were cultured on MS solid medium at a culture temperature of 25° C., with a photoperiod of 8 h dark / 16 h light.
[0043] ②Cultivate Agrobacterium rhizogenes (Ri15834) at 27°C for 3 days and dilute to OD 600 0.3 to 0.5.
[0044] ③ After the cabbage seeds have been cultivated for about three weeks, take the leaves, cut out the size of 5mm × 5mm, then mix with Agrobacterium rhizogenes, stir, and place for 20 minutes, then put the leaves in the solid medium B5M ( Containing B5 Gamborg 1.55g / L, agar 7g / L, inositol 250mg / L and 30g / L sucrose, pH 5.7) for 3 days.
[0045] ④ On the fourth day, the explants were washed with sterile water and dried on filter pape...
Embodiment 2
[0115] Example 2 Effect of the mixture of cell wall extract and ethanol extract on melanin production and protein expression in basement membrane
[0116] 2.1 Effect of the mixture of cell wall extract and ethanol extract on melanin production
[0117] Murine melanoma cells (B16F1) were treated with a mixture of the two extracts at a concentration of 0.0002% (2 μg / ml) for 72 hours in the presence of IBMX.
[0118] From Figure 9 As can be seen in , this treatment significantly reduced the melanin content: a reduction of about 15%. and figure 2 The results were similar when treated with the same concentration of cell wall extract as shown in . This result indicated that the mixture of the two extracts retained only the melanin-reducing ability of the cell wall extract and that the presence of the ethanol extract did not interfere with this activity.
[0119] 2.2 The effect of the mixture of cell wall extract and ethanol extract on the expression of basement membrane consti...
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