Method for inducing Botryococcus braunii B12 to efficiently accumulate linolenic acid
A technology of staphylococcal algae and linolenic acid, applied in the biological field, can solve the problems of complex technical process, high cost, increased production cost and difficulty of technology promotion, etc., and achieve the effect of easy cultivation, short cycle and low cost
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Embodiment 1
[0012] Embodiment 1, adopt the following steps:
[0013] 1) Preparation of algae liquid: under the conditions of 23°C, light intensity 1800lx and light-dark ratio of 12h / 12h, use 1 / 4 times BG11 medium to culture the cells of S. For the algae liquid induced by plant growth regulators, add 1-fold concentration of BG11 nutrient salt every 14 days during the culture period;
[0014] 2) Accumulation of linolenic acid: Take 200mL algae liquid in the logarithmic growth phase and place it in a 300mL triangular conical flask, then add the plant growth regulator ETH produced by Beijing Suo Laibao Technology Co., Ltd., the amount of plant growth regulator ETH in the algae liquid The concentration is 0.01mg / L, and the induction treatment is carried out at 23°C for 14 days. During the treatment stage, the artificial shaker algae is not less than 3 times a day, and the time interval between adjacent shaker algae is not less than 2 hours, so as to realize the accumulation of linolenic acid i...
Embodiment 2
[0015] Embodiment 2, adopt the following steps:
[0016] 1) Preparation of algae liquid: under the conditions of 24°C, light intensity 2000lx and light-dark ratio of 12h / 12h, use 1 / 4 times BG11 medium to culture the cells of S. For the algae liquid induced by plant growth regulators, add 1-fold concentration of BG11 nutrient salt every 14 days during the culture period;
[0017] 2) Accumulation of linolenic acid: Take 200mL algae liquid in the logarithmic growth phase and place it in a 300mL triangular conical flask, then add the plant growth regulator ETH produced by Beijing Suo Laibao Technology Co., Ltd., the amount of plant growth regulator ETH in the algae liquid The concentration is 0.011mg / L, and the induction treatment is carried out at 24°C for 15 days. During the treatment stage, artificial shake algae is not less than 3 times a day, and the time interval between adjacent shake algae is not less than 2 hours, so as to realize the accumulation of linolenic acid in the...
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