Cordyceps cicadae/cordyceps sobolifera mycelium active substance and composition for protecting nerve cells
A technology of active substances and mycelium, which is applied in the field of active substances of mycelium of cicadae and compositions for protecting nerve cells, can solve problems such as no obvious characteristics, and achieves improvement of neurodegeneration symptoms, improvement of neurotoxicity, treatment or prevention Effects of high neurodegeneration and its complications
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Embodiment 1
[0034] (1) The source of the organism
[0035] The large cicadae (Cordycepscicadae) mycelium used in this embodiment can be purchased from the large cicadae (Cordycepscicadae) mycelium BCRCMU30106 (deposit date: November 25, 2013) deposited in the Food Industry Development Research Institute of Taiwan, China day); the used little cicada flower (Cordycepssobolifera) mycelium system can be purchased from the little cicada flower (Cordycepssobolifera) mycelium BCRC37801 (deposit date: March 12, 2010) deposited in Taiwan, China day), but the cicadae mycelium active substance described in the present invention is not limited to be obtained by this strain.
[0036] (2) Fermentation of organisms
[0037] The liquid culture of the active substance of the cicadae mycelium comprises inoculating the cicadae mycelium on a plate, using a potato dextrin medium (PotatoDextrosoAgar, PDA) at an appropriate temperature such as 15-35°C (preferably about 25°C) After 5 days to two weeks of culti...
Embodiment 2
[0044] Analysis of the neurotoxic injury and protection of nerve cells by the active substance of the cicadae mycelium described in Example 1.
[0045] 1. Antagonize MPP + NG108-15 cell line toxicity
[0046] Cell lines of NG108-15 were laid at a density of 2×10 4 cells / ml-well 96-well flat-bottomed tissue culture plate; after 24 hours, each cell is properly attached to it; finally, these cells are tested with a test sample (active substance of cicadae mycelium). The detection samples used dimethyl sulfoxide (DMSO) as a solvent, and were dissolved in DMSO at concentrations of 10, 20 and 40 mM, respectively. The concentration of DMSO in the medium (medium) was maintained at no more than 1 μl / ml, so as to ensure that it would not affect the growth of NG108-15 cells; + (1-methyl-4-phenylpyridine) treated NG108-15 cells; four days later, remove the medium and add 100 μl / well of MTT solution (0.5 mg / ml); put the cells in 37 ° C, 5 %CO 2 After culturing in the incubator for 1 h...
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