A comparison of the antioxidant activities and biomonitoring of heavy metals by pollen in the urban environments
2018
Temizer, İlginç Kızılpınar | Güder, Aytaç | Temel, Fulya Aydın | AVCI, Esin
Pollen is one of the most valuable nutrients due to its content and antioxidant activity. In this study, its botanic origin, total phenol content (TPC), total flavonoid content (TFC), the hydrogen peroxide scavenging activity (HPSA) (in terms of SC₅₀), ferric reducing antioxidant power capacity (FRAP), 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity (in terms of SC₅₀), metal-chelating activity (MCA) (%), and heavy metal content were examined to determine the quality of pollen that has been collected from seven different cities of Turkey. According to the melissopalynological analysis, the botanic origin of samples is six uni-flora and one multiflora. The TPC, TFC, HPSA, FRAP, DPPH, and MCA were found between 1360.70–2981.34 mg GAE/100 g, 74.23–111.74 mg CAE/100 g, 25.56–30.28 μg/mL, 71.92–73.86%, 52.26–53.27 μg/mL, and 43.97–65.21%, respectively. When obtained results compared to the standards (Butylated Hydroxy Anisole (BHA), Butylated Hydroxy Toluene (BHT) and α-Tocopherol (TOC)), pollen samples showed the effective antioxidant properties with respect to HPSA, FRAP, and DPPH radical scavenging activity. In addition, it was observed that honey samples were being contaminated with most of the metals to some extent (Al, Cr, Mn, Fe, Ni, Cu, Zn, B, As, Te, U), while some heavy metals (Co, Cd, V, Ga, and Ag) were never determined in all samples. However, Pb was determined only in sample 2 and sample 4, Mo in sample 1 and sample 2. According to meteorological parameters, samples 3, 4, and 5 were distinguished from the other samples. Finally, the data indicate that pollen could be affected by environmental pollutions.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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