Antioxidant Activity of Some Edible Flowers Water Extracts from Bulgaria
| Autor: | Dorina PETKOVA, Dasha MIHAYLOVA, Petko DENEV, Albert KRASTANOV |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Food Science and Technology, Vol 77, Iss 1, Pp 54-61 (2020) |
| Druh dokumentu: | article |
| ISSN: | 2344-2344 2344-5300 05495180 |
| DOI: | 10.15835/buasvmcn-fst:2019.0025 |
| Popis: | Recently, there has been a considerable interest in finding natural antioxidants from plant materials to replace the synthetic ones. The edible flowers represent a valuable alternative source of bioactive compounds and have been used as food and herbs with increasing interest. The antioxidant properties of 7 edible flowers of the South Bulgaria, including Viola tricolor L., Cucurbita pepo L., Sambucus nigra L., Calendula officinalis L., Hibiscus rosa-sinensis L., Rosa damascena Mill., and Allium ursinum L. were evaluated. The contents of flower chemicals, such as total phenolics and total flavonoids content, were determined as well. By comparing decoction and infusion as methods of extraction, the decoction ones revealed to be the most appropriate in respect of the evaluated compounds. The results showed that the highest antioxidant activity was found in the Rosa damascena and Viola tricolor ones. The established total polyphenol content and total flavonoids in the decocts of Rosa damascena and Viola tricolor were 56.66 ± 0.48 and 135.82 ± 1.50 mg GAE/g dw and 28.60 ± 0.43 and 15.87± 0.52 mg QЕ/g dw, respectively. The present research extends the traditional knowledge and revealed an opportunity to obtain biological active substances of the nature and edible flowers in particular. |
| Databáze: | Directory of Open Access Journals |
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