Too many words , long abstract, discussion and list of references. It is said that the brevity is a sister of the talant. If I were you I try do everything briefly. A lot of corrections :1) a blood is not an organ, but medium;2) author should write not "aqueous and antocyanine-rich extracts " but "crude water extracts " and "antocyanine-rich water extracts"(the latter is the water extract also);3) author should not write that HPLC was used "to identify antocyanine components" because there are no information about inner standards and separation of antocyanine fraction obtained, for what was used HPLC ?;4) it is not clear what is the final concentration  of active substance? 5) etc .The paper is very weak although it has certain scientific value.

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