Development of a method for the quantitative determination of flavonoids in dill herb (Anethum graveolentis herba)


S. Burakba(1), A.I. Marakhova(1), V.Yu. Zhilkina(1), D.O. Bokov(2, 3)
1-Russian Peoples' Friendship University (RUDN), st. Miklouho-Maklaya, 6, Moscow, 117198, Russian Federation;
2-I.M. Sechenov First Moscow State Medical University (Sechenov University), st. Trubetskaya, 8, building 2, Moscow, 119991, Russian Federation;
3-Federal Research Center for Nutrition and Biotechnology, Ustinsky proezd, 2/14, Moscow, 109240, Russian Federation

Introduction. The dill herb, collected before flowering, contains a complex of various biologically active compounds (BACs) and can act as an independent medicinal plant material. There is data confirming the activity of the aerial part of dill against Agrobacterium radiobacter pv. Tumefaciens, Erwinia carotovora, Pseudomonas fluorescens, Pseudomonas wisteria. The antimicrobial properties of the herb dill may be associated with the presence of phenolic compounds, including flavonoids, in the chemical composition, so the quantitative determination of the amount of these biologically active compounds is relevant. Purpose of the work: to develop a method for quantitative determination of the amount of flavonoids in dill herb (Anethum graveolentis herba). Material and methods. The object of study was air-dried dill herb (Anethum graveolens L.), harvested before flowering. Quantitative determination of the amount of flavonoids was carried out by spectrophotometric method after complexation reaction with aluminum chloride on a Lambda-950 spectrophotometer, Perkin Elmer, USA. Results and discussion. As a result of the study, it was shown that to determine the amount of flavonoids in aromatic dill herb harvested before flowering, the following conditions are optimal: crushing of raw materials to a particle size of 1 mm, mass of raw materials about 2 g, extraction with 80% ethyl alcohol in a volume of 100 ml when heated for 50 min; the ratio of the volume of the extract and 2% aluminum chloride solution is 1:1, the complexation reaction time is 30 minutes. Conclusion. A method has been developed for determining the amount of flavonoids in terms of rutin and absolutely dry raw materials in dill herb (Anethum graveolentis herba).

dill (Anethum graveolens L.)

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