FIELD: chemistry.
SUBSTANCE: method comprises filling of the shredded chaga with extractant at a ratio of chaga-extractant equal to 1:30, boiling of the mixture, filtration of the extract, addition of 25% hydrochloric acid solution, stirring of the resulting mixture, setting for 30 minutes, separation of the melanin precipitate and its drying, wherein 9% acetic acid solution with addition of periodic acid under certain conditions is used as the extractant.
EFFECT: method enables to increase melanin output and its antioxidant activity.
1 tbl, 10 ex
| Title | Year | Author | Number |
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| PROCESS FOR OBTAINING MELANIN FROM SUNFLOWER HUSKS | 2017 |
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RU2657499C1 |
| METHOD FOR PREPARING SHELF FUNGUS EXTRACT | 2011 |
|
RU2463064C1 |
