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3.2.4.1. A choice of optimum concentration of spirit for sum abstraction flavonoidov from propagules of a Labrador tea

The phylum of solvent applied for ekstraktsii reacting veyoshchestv, plays a main role. To sum abstraction flavonoidov from vegetative raw materials apply spirits and spirto-water solutions [90]. NaYOmi researches on revealing of optimum concentration of the alcohol promoting the maximum exit flavonoidov are undertaken

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(Tab. 3.13). Their maximum extraction descended at use of 70 % of spirit ethyl.

Table 3.13

Choice of optimum concentration of spirit for sum abstraction flavonoidov from propagules of a Labrador tea

Concentration of spirit, % The maintenance flavonoidov, %
20 0,387±0,004
40 0,581±0,005
50 0,876±0,009
70 0,938±0,010
90 0,474±0,004
96 0,407±0,005

3.2.4.2.

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Scientific source Korotayeva MARINA SERGEEVNA. FARMAKOGNOSTICHESKY STUDYING of FOUR KINDS of SORT LEDUM L. The dissertation on competition of a scientific degree of the candidate of pharmaceutical sciences. Yaroslavl -. 2006

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