scholarly journals Antioxidant Capacity of a Bee Pollen Sample Obtained from Giresun, Turkey

2020 ◽  
Author(s):  
Hüseyin ŞAHİN ◽  
Mehmet KEMAL
Keyword(s):  
Antioxidant Capacity ◽  
Bee Pollen ◽  
Pollen Sample

k-carrageenan edible films for beef: honey and bee pollen phenolic compounds improve their antioxidant capacity

2021 ◽  
pp. 107250
Author(s):  
P. Velásquez ◽  
G. Montenegro ◽  
L.M. Valenzuela ◽  
A. Giordano ◽  
G. Cabrera-Barjas ◽  
...  
Keyword(s):  
Phenolic Compounds ◽  
Antioxidant Capacity ◽  
Edible Films ◽  
Bee Pollen

scholarly journals Physicochemical properties and antioxidant capacity of bee pollen collected in Tuzla Canton (B&H)

2020 ◽  
Vol 21 (1) ◽  
pp. 42-50
Author(s):  
Damir Aličić ◽  
Ivana Flanjak ◽  
Đurđica Ačkar ◽  
Midhat Jašić ◽  
Jurislav Babić ◽  
...  
Keyword(s):  
Physicochemical Properties ◽  
Antioxidant Capacity ◽  
Bee Pollen

scholarly journals Bio-Functional Properties of Bee Pollen: The Case of “Bee Pollen Yoghurt”

Coatings ◽  
2018 ◽  
Vol 8 (12) ◽  
pp. 423 ◽  
Author(s):  
Ioannis Karabagias ◽  
Vassilios Karabagias ◽  
Ilias Gatzias ◽  
Kyriakos Riganakos
Keyword(s):  
Antioxidant Capacity ◽  
Total Phenolic Content ◽  
High Performance ◽  
Phenolic Content ◽  
Total Phenolic ◽  
Ionization Mass ◽  
Bee Pollen ◽  
Surface And Interface ◽  
Full Characterization

The objectives of the present work were: (a) to characterize bee pollen from the region of Epirus in terms of biofunctional activity parameters as assessed by (i) the determination of specific polyphenols using high performance liquid chromatography electrospray ionization mass spectrometry (HPLC/ESI-MS), (ii) antioxidant capacity (DPPH assay), and (iii) total phenolic content (Folin-Ciocalteu assay), and (b) to prepare yoghurts from cow, goat, and sheep milk supplemented with different concentrations of grounded bee pollen (0.5, 1.0, 2.5 and 3.0%, w/v), and study afterwards the trend in antioxidant capacity and total phenolic content along with product’s sensory properties. Results showed that bee pollen ethanolic extracts are a rich source of phytochemicals based on the high total phenolic content and in vitro antioxidant activity that were monitored. The addition of grounded bee pollen in yoghurts resulted in a food matrix of a higher in vitro antioxidant capacity and total phenolic content, whereas it improved the yoghurt’s taste, odour, appearance, and cohesion; the latter indicates its beneficial use as a general food surface and interface material enhancer due to the possible formation of surface/interface active lipid-linked proteins. Based on the present findings, bee pollen yoghurt is proposed as a novel and costless functional food whereas it may comprise a research basis for food or material science in the scientific society of the future. Results were further supported by implementation of advanced chemometric analyses providing a full characterization of the product’s uniqueness.

scholarly journals Phytochemical analysis and botanical origin of Apis mellifera bee pollen from the municipality of Canavieiras, Bahia State, Brazil

2018 ◽  
Vol 21 (0) ◽  
Author(s):  
Giuseppina Negri ◽  
Lidia Maria Ruv Carelli Barreto ◽  
Fábia Lugli Sper ◽  
Claudemir de Carvalho ◽  
Maria das Graças Ribeiro Campos
Keyword(s):  
Fatty Acids ◽  
Apis Mellifera ◽  
Acid Amide ◽  
Hydroxycinnamic Acid ◽  
Flavonoid Glycosides ◽  
Phytochemical Analysis ◽  
Botanical Origin ◽  
Bee Pollen ◽  
Amide Derivatives ◽  
Pollen Sample

Abstract An Apis mellifera bee pollen sample from Bahia state in Brazil was studied to evaluate its botanical origin and phytochemical composition. The bee pollen sample was collected in the municipality of Canavieiras, in an area with a very high predominance of Cocos nucifera L (Aracaceae), which was identified as the major taxon (99%), thus being the possible botanical origin of this pollen. The main constituents found in the non-polar extract analysed by GC-EI-MS were saturated fatty acids and long chain esters, together with phytosterols such as ergosta-5,24(28)-dien-3-ol, campesterol and sitosterol, detected in smaller quantities. Flavonoid glycosides, as well as hydroxycinnamic acid amide derivatives were detected in the polar extract analysed by HPLC-ESI-MS/MS. The presence of flavonoid glycosides, hydroxycinnamic acid amide derivatives, fatty acids and phytosterols have been reported in many bee pollen taxa. To the best of the authors’ knowledge, this is the first study of the chemical composition of bee pollen from C. nucifera , which is cultivated for its coconut fruit.

scholarly journals Dioxin Analysis of Bee Pollen Pellets Collected by Apis mellifera L. in Rural Area of Turkey

2018 ◽  
Vol 62 (1) ◽  
pp. 79-88
Author(s):  
Aslı Özkök ◽  
Gül Çelik Çakıroğulları ◽  
Kadriye Sorkun ◽  
Hatice Gür Yağlı ◽  
İbrahim Alsan ◽  
...  
Keyword(s):  
Apis Mellifera ◽  
Microscopic Analysis ◽  
Food Supplement ◽  
Central Anatolia ◽  
The European Union ◽  
Bee Pollen ◽  
Regulatory Limits ◽  
Pollen Sample ◽  
Asteraceae Family ◽  
Brassicaceae Family

Abstract Bee pollen, an important bee product, is harvested as a food supplement for humans, so it must be safe in terms of toxic components for consumption. The aim of this study is to determine the amounts of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), dioxin-like polychlorinated biphenyls (dl-PCBs) and non dioxin-like PCBs (ndl-PCBs) in the bee pollen pellets of Apis mellifera L. collected from Çankırı, located in the central Anatolia region of Turkey, between June and July 2014. Six types of pollen belonging to four families: Centaurea triumfettii L. - Asteraceae family; Brassica spp. L. - Brassicaceae family; Cistus spp. L. - Cistaceae family; Onobrychis spp. L., Hedysarum spp. L. and Trifolium spp. L. - Fabaceae family, were determined through microscopic analysis. Dioxin and PCB congeners were determined in a pooled bee pollen sample and all the results were found lower than the European Union regulatory limits for other foods. To the best of our knowledge, this is among the first studies on dioxin analysis in bee pollen worldwide.

scholarly journals Moroccan Monofloral Bee Pollen: Botanical Origin, Physicochemical Characterization, and Antioxidant Activities

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
El Ghouizi Asmae ◽  
El Menyiy Nawal ◽  
Meryem Bakour ◽  
Badiaa Lyoussi
Keyword(s):  
Antioxidant Capacity ◽  
Total Antioxidant Capacity ◽  
Antioxidant Activities ◽  
Physicochemical Characterization ◽  
Reducing Power ◽  
Total Phenolic ◽  
Mineral Contents ◽  
Bee Pollen ◽  
Two Samples ◽  
Total Antioxidant

In this study, eight monofloral bee pollen samples were collected from different apiaries in Morocco. Botanical origins of the bee pollen samples were determined by scanning electron microscopy (SEM), and the physicochemical parameters (pH, moisture, ash, and the mineral contents) were determined. Total phenolic, flavones/flavonols contents were evaluated, and the antioxidant potential was assessed using total antioxidant capacity, DPPH, ABTS, and reducing power assays. Data showed that pH, moisture, and ash content values ranged between 4.19 ± 0.17 and 4.82 ± 0.36, 10.7 ± 0.04% and 26.8 ± 0.01%, and 1.81 ± 0.10% and 4.22 ± 0.08%, respectively. Potassium and magnesium were the most abundant minerals in bee pollen samples; heavy metals were not detected except for two samples (P5 and P6) where a very small amount of lead was found. The protein content in these samples varied between 19.86 ± 0.36 mg/100 g and 30.32 ± 0.12 mg/100 g of bee pollen. The phenolic content, flavones/flavonols content, and total antioxidant capacity were 21.87 ± 1.80 mgEAA/g, 2.37 ± 0.16 mgEAA/g, and 6.23 ± 0.21 mgEAA/g, respectively. High scavenging activity of DPPH and ABTS radicals was found in P2 with the lower IC50 of 0.245 ± 0.009 mg/ml and 0.19 ± 0.005 mg/ml, respectively. The lower EC50 was 0.133 ± 0.036 mg/ml found in P1 for the reducing power test. The current study is considered to be the first step to the standardization of Moroccan bee pollen.

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