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- Title
Chemical composition and application of flowers of false acacia (Robinia pseudoacacia L.).
- Authors
Stankov, Stanko; Fidan, Hafize; Ivanova, Tanya; Stoyanova, Albena; Damyanova, Stanka; Desyk, Mykola
- Abstract
Introduction. The study was carried out to determine the chemical composition and biological activity of false acacia flowers and their products (concrete and syrups) grown in Bulgaria. Materials and methods. Concrete was obtained by extraction with n-hexane and its chemical composition was determined by GC-MS. Syrups with different concentrations have been obtained and their polyphenols content, antimicrobial and antioxidant activity were established. Result and discussion. The yield of concrete was 1.06% and the major constituents of the concrete are as follows: n-nonacosane (25.18%), n-heptacosane (20.10%), α-linolenic acid (5.97%), n-pentacosane (4.98%), palmitic acid (4.92%), diisooctyl phthalate (4.05%), hexahydrofarnesyl acetone (3.86%), linoleic acid (3.64%), isopropyl myristate (3.47%), and n-hentriacontane (3.39%). The total aliphatic hydrocarbons constituted the highest percentage of the component of the concrete constituting 61.50%. The minerals identified as biggest content in the tested samples of false acacia flowers are nickel, copper, calcium and chromium. Higher values of phenolic compounds in the flowers (0.77 mg GAE/mL) than those of the syrup 60 °Brix (0.06 mg GAE/mL) and R. pseudoacacia syrup 70 °Brix (0.14 mg GAE/mL) were found. The syrup samples exhibit antimicrobial properties against foodborne pathogenic bacteria as Salmonella, E. coli and L. monocytogenes. Conclusion. Based on the chemical and biochemical properties of false acacia flowers, it could be recommended as a potential raw material for food, pharmaceutical and cosmetic products.
- Subjects
CHEMICAL composition of plants; BLACK locust; SYRUPS
- Publication
Ukrainian Food Journal, 2018, Vol 7, Issue 4, p577
- ISSN
2304-974X
- Publication type
Article
- DOI
10.24263/2304-974X-2018-7-4-4