Method for removing ginkgolic acid in ginkgol biloba extract
A technology of ginkgo extract and ginkgolic acid, which is applied in the field of removing gingkgolic acid, can solve the problems of high input cost, large amount of solvent, and high technical difficulty, and achieve low manufacturing and maintenance costs, low operating costs, and low technical difficulty. Effect
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Embodiment 1
[0034] (1) Weighing of raw materials: Weigh 25 g of commercially available Ginkgo biloba extract.
[0035] (2) Suspension preparation: Add 700ml of water into a beaker filled with commercially available Ginkgo biloba extract, stir well to make the extract dissolve as much as possible.
[0036] (3) Add saturated NaHCO 3 solution, adjust the pH to 8.
[0037] (4) Surfactant dosage: Weigh 0.75 g of surfactant, which is a mixture of Span-20 and Tween-20, and the mass ratio of the two is 1:2.
[0038] (5) Add a surfactant to the above suspension, mix and transfer to a foam separator.
[0039] (6) After the above work is completed, air is introduced from the bottom of the foam separator at room temperature. Control the gas velocity of the air at about 80ml / min.
[0040] (7) Collect the foam taken out from the upper end of the foam separator, and the foam is the solution containing ginkgolic acid. The solution treated in the foam separator is the solution for removing ginkgolic ac...
Embodiment 2
[0042] (1) Weighing of raw materials: Weigh 30 g of commercially available Ginkgo biloba extract.
[0043] (2) Suspension preparation: Add 800ml of water into a beaker filled with commercially available ginkgo extract to dissolve the extract as much as possible.
[0044] (3) Add saturated NaHCO 3 solution, adjust the pH to 7.5.
[0045] (4) Surfactant dosage: Weigh 0.88g of surfactant, the mass ratio of the surfactant Span-20 and Tween-20 is 1:2.
[0046] (5) Add the weighed surfactant to the above suspension, mix and transfer to the foam separator.
[0047] (6) After the above work is completed, air is introduced from the bottom of the foam separator at room temperature. Control the gas velocity of the air at 90ml / min.
[0048] (7) Collect the foam taken out from the upper end of the foam separator, and the foam is the solution containing ginkgolic acid. The solution treated in the foam separator is the solution for removing ginkgolic acid, using high performance liquid ...
Embodiment 3
[0050] (1) Weighing of raw materials: Weigh 40 g of commercially available Ginkgo biloba extract.
[0051] (2) Suspension preparation: Add 900ml of water into a beaker filled with commercially available ginkgo extract to dissolve the extract as much as possible.
[0052] (3) Add saturated NaHCO 3 solution, adjust the pH to 8.5.
[0053] (4) Surfactant dosage: Weigh 1.10 g of surfactants, the surfactants are Span-20 and Tween-80, and the mass ratio of the two is 1:2.
[0054] (5) Add the weighed surfactant to the above suspension, mix and transfer to the foam separator.
[0055] (6) After the above work is completed, air is introduced from the bottom of the foam separator at room temperature. Control the gas velocity of the air at 100ml / min.
[0056] (7) Collect the foam taken out from the upper end of the foam separator, and the foam is the solution containing ginkgolic acid. The solution treated in the foam separator is the solution for removing ginkgolic acid, using hig...
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