Article (Scientific journals)
Botanical Origins and Antioxidant Activities of Two Types of Flavonoid-Rich Poplar-Type Propolis.
Qiao, Jiangtao; Wang, Yingying; Zhang, Yu et al.
2023In Foods, 12 (12), p. 2304
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Keywords :
antioxidant activity; botanical origin; flavonoids; phenolic composition; poplar-type propolis; Food Science; Microbiology; Health (social science); Health Professions (miscellaneous); Plant Science
Abstract :
[en] (1) Background: Propolis has attracted attention in recent years due to its important pharmacological effects. The present study aimed to investigate the botanical origins of 39 propolis samples and evaluate their antioxidant activities; (2) Methods: A HPLC-PDA system was used to analyze the phenolic compositions of propolis and poplar bud resin samples. The antioxidant activities of propolis samples were evaluated by oxygen radical absorption capacity (ORAC) and superoxide anion free radical scavenging capacity assay; (3) Results: Our study shows that 17 propolis samples were characterized by five predominant flavonoids, including 5-methoxy pinobanksin, pinobanksin, pinocembrin, pinobanksin-3-acetate, and chrysin, while 22 propolis samples were characterized by four flavonoids (pinobanksin, pinocembrin, pinobanksin-3-acetate, and chrysin). The average contents of characteristic flavonoids reached up to over 70% and 65% of total phenolics, respectively. Furthermore, the botanical origins of the two types of propolis samples were identified as Populus × euramericana cv. 'Neva' and Populus Simonii × P. nigra, respectively; (4) Conclusions: Most notably, our results reveal that these propolis samples presented excellent antioxidant activities due to their high contents of flavonoid. These flavonoid-rich propolis samples can thus be used to develop low-allergen and high-antioxidant nutraceuticals.
Disciplines :
Food science
Author, co-author :
Qiao, Jiangtao  ;  Université de Liège - ULiège > TERRA Research Centre ; State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
Wang, Yingying;  State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
Zhang, Yu;  State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China ; Jiangsu Beevip Biotechnology Co., Ltd., Taizhou 225300, China
Kong, Lingjie;  State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China ; Key Laboratory of Bee Products for Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Beijing 100093, China
Zhang, Hongcheng;  State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China ; Key Laboratory of Bee Products for Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Beijing 100093, China
Language :
English
Title :
Botanical Origins and Antioxidant Activities of Two Types of Flavonoid-Rich Poplar-Type Propolis.
Publication date :
07 June 2023
Journal title :
Foods
eISSN :
2304-8158
Publisher :
MDPI, Switzerland
Volume :
12
Issue :
12
Pages :
2304
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This research was supported by the China Agriculture Research System of MOF and MARA (CARS-45-KXJ19), the Agricultural Science and Technology Innovation Program (CAAS-ASTIP-2019-IAR) from the Ministry of Agriculture of P.R. China, and 113 talent medicine research program of China medical city from Taizhou Government.
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