Phenolamide and flavonoid glycoside profiles of 20 types of monofloral bee pollen

Qiao, Jiangtao; Feng, Zhouxu; Zhang, Yong; Xiao, Xingying; Dong, Jie; Haubruge, Éric; Zhang, Hongcheng

doi:10.1016/j.foodchem.2022.134800

Cited by 28 publications

(35 citation statements)

References 36 publications

(72 reference statements)

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“…The phenolic composition of bee pollens of diverse botanical sources show great variances according to previous studies [25,45,46] . Phenolic compounds exhibit a wide range of solubilities, and are usually more soluble in solvents less polar than water [47] .…”

Section: Resultsmentioning

confidence: 98%

“…The phenolic composition of bee pollens of diverse botanical sources show great variances according to previous studies. [25,45,46] Phenolic compounds exhibit a wide range of solubilities, and are usually more soluble in solvents less polar than water. [47] For these reasons, the solvent which is optimal for the extraction of phenolic compounds from our bee pollen samples was identified prior to the total phenolic content, total flavonoid content and antioxidant capacity determinations.…”

Section: Optimal Extraction Solventmentioning

confidence: 99%

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Investigating the Antioxidant and Color Properties of Bee Pollens of Various Plant Sources

Végh

Sipiczki

Csóka

2023

Chemistry & Biodiversity

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In our study, Central and Eastern European bee pollens of different botanical origins were compared, based on their antioxidant and color properties. Total phenolic content (TPC), total flavonoid content (TFC), and in vitro antioxidant capacity (by FRAP, CUPRAC, ABTS * + and DPPH * assays) were determined spectrophotometrically. Besides, Relative Antioxidant Capacity Indexes (RACI) were calculated. CIELAB color parameters (L*, a*, b*, chroma) were determined by using a tristimulus-based instrument. Potential correlations between the investigated parameters were also identified. Based on the results of the preliminary study, ethanol:distilled water (60 : 40) was chosen as an extraction solvent. The total phenolic content of our samples ranged between 9.41 and 27.49 mg GAE/g dw. Pollens showed TFC:TPC ratios between 9 and 44 %. RACI values indicate that rapeseed (Brassica napus), traveller's joy (Clematis vitalba) and phacelia (Phacelia tanacetifolia) pollens have relatively high, while pollens of certain plants of the Asteraceae family possess low antioxidant potential. Antioxidant properties correlated significantly in most cases. RACI values showed strong positive correlation with each of the other antioxidant capacity parameters, suggesting that this approach is well applicable for comparing the antioxidant potential of bee pollens. No clear correlation was found between the antioxidant and color parameters.

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Section: Resultsmentioning

confidence: 98%

Section: Optimal Extraction Solventmentioning

confidence: 99%

Investigating the Antioxidant and Color Properties of Bee Pollens of Various Plant Sources

Végh

Sipiczki

Csóka

2023

Chemistry & Biodiversity

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“…The loss of 146 amu residues suggests the third p -coumaroyl residue linked in the N5 position of spermidine. Then, compound A8 was validated as N1(Z), N5(Z), N10(Z)-tri- p -coumaroyl spermidine by prepared standards, while A9-A11 were identified as N1(Z), N5 (Z), N10 (E)-tri- p -coumaroyl spermidine, N1(E), N5(Z), N10(E)-tri- p -coumaroyl spermidine and N1(E), N5(E), N10(E)-tri- p -coumaroyl spermidine based on retention time, maximum UV absorption wavelength and the previous report …”

Section: Resultsmentioning

confidence: 99%

“…In addition, four tri-p-coumaroyl spermidine isomers are identified in safflower honey. Tri-pcoumaroyl spermidine is widely reported in various bee pollens such as camellia, rapeseed, broad bean, corn poppy pollens, and sage flowers; 26,34,35 furthermore, tri-p-coumaroyl spermidine derivatives are identified as the plant-derived biomarkers in Triadica cochinchinensis honey. 36 Additionally, our findings reveal that bitterin and unedone are isomers, and both of them have a distinct bitter taste.…”

Section: Discussionmentioning

confidence: 99%

Characteristic Components and Authenticity Evaluation of Chinese Honeys from Three Different Botanical Sources

Du,

Zhu,

Qiao

et al. 2023

J. Agric. Food Chem.

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We aimed to identify the characteristic phytochemicals of safflower, Chinese sumac, and bauhinia honeys to assess their authenticity. We discovered syringaldehyde, riboflavin, lumiflavin, lumichrome, rhusin [(1E,4E)-1,5-diphenylpenta-1,4-dien-3one-O-cinnamoyl oxime], bitterin {4-hydroxy-4-[3-(1-hydroxyethyl) oxiran-2-yl]-3,5,5-trimethylcyclohex-2-en-1-one}, and unedone as characteristic phytochemicals of these three types of honeys. The average contents of syringaldehyde, riboflavin, lumiflavin, or lumichrome in safflower honey were 41.

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“…The plant origin and purity were detected by DNA barcoding, with purity over 97%. 24 Fresh rapeseed bee pollen (1200 g) was freeze-dried in a vacuum (LGJ-18S, Songyuan Huaxing Technology Development Co., Ltd, Beijing, China) to a constant weight, and stored at −18 °C until use.…”

Section: Rapeseed Bee Pollen Samplesmentioning

confidence: 99%

Rapeseed bee pollen alleviates chronic non‐bacterial prostatitis via regulating gut microbiota

et al. 2023

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BACKGROUNDRapeseed bee pollen has been recognized as a critical treatment for chronic non‐bacterial prostatitis (CNP) and it also can modulate gut microbiota and improve gut health. This study aimed to explore the anti‐prostatitis effects of rapeseed bee pollen with or without wall‐disruption, and to investigate the connection between this treatment and gut microbiota.RESULTSThe results reveal that rapeseed bee pollen can effectively alleviate chronic non‐bacteria prostatitis by selectively regulating gut microbiota, with higher doses and wall‐disrupted pollen showing greater efficacy. Treatment with a high dose of wall‐disrupted rapeseed bee pollen (WDH, 1.26 g kg−1 body weight) reduced prostate wet weight and prostate index by approximately 32% and 36%, respectively, nearly the levels observed in the control group. Wall‐disrupted rapeseed bee pollen treatment also reduced significantly (p < 0.05) the expression of proinflammatory cytokines (IL‐6, IL‐8, IL‐1β, and TNF‐α), as confirmed by immunofluorescence with laser scanning confocal microscope. Our results show that rapeseed bee pollen can inhibit pathogenic bacteria and enhance probiotics, particularly in the Firmicutes‐to‐Bacteroidetes (F/B) ratio and the abundance of Prevotella (genus).CONCLUSIONThis is the first study to investigate the alleviation of CNP with rapeseed bee pollen through gut microbiota. These results seem to provide better understanding for the development of rapeseed bee pollen as a complementary medicine. © 2023 Society of Chemical Industry.

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Phenolamide and flavonoid glycoside profiles of 20 types of monofloral bee pollen

Cited by 28 publications

References 36 publications

Investigating the Antioxidant and Color Properties of Bee Pollens of Various Plant Sources

Investigating the Antioxidant and Color Properties of Bee Pollens of Various Plant Sources

Characteristic Components and Authenticity Evaluation of Chinese Honeys from Three Different Botanical Sources

Rapeseed bee pollen alleviates chronic non‐bacterial prostatitis via regulating gut microbiota

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