Determination of secondary metabolite in galls of some cynipid wasps (Hymenoptera: Cynipidae) and characterization of the phenolic compound

Musa TATAROĞLU, Özge KILINÇARSLAN AKSOY, Yusuf KATILMIŞ, Ramazan MAMMADOV
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Abstract

The galls of cynipid species (Hymenoptera: Cynipidae) have been used since ancient times as an important source of bioactive compounds. Many researchers have evaluated the medicinal potential of some cynipid galls and found that these galls have numerous ethnomedical uses. The aim of this study was to determine the total bioactive (phenolic, flavonoid and tannin) compound amounts of gall extracts, to reveal the phenolic compound contents by HPLC method and to set ground for future pharmaceutical studies. The galls of cynipid wasps (totally 24 taxa) on host plants were collected from the Eastern Black Sea Region of Türkiye. Acetone, ethanol, methanol, and water extracts of these galls were prepared for quantity analysis and HPLC. The phenolic compound amounts (phenolic, flavonoid and tannin) of the cynipid gall extracts were determined, and their phenolic compound contents were also revealed. Some phenolic compounds in ethanol gall extracts were analyzed using HPLC, and some of these compounds were detected for the first time in the cynipid galls. 2,5-dihydroxybenzoic acid, caffeic acid, epicatechin, and ellagic acid are the most abundant in the ethanolic gall extracts. Total phenolic, flavonoid and tannin amounts of the cynipid gall extracts showed high variation. All these studies on quantification and characterization of phenolic compound are the first detailed studies on these taxa of cynipid galls and show that these cynipid galls might pharmaceutically be an important source for human and animal health.
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膜翅目:蜂科蜂瘿次生代谢物的测定及酚类化合物的鉴定
蜂瘿(膜翅目:蜂科)自古以来就作为一种重要的生物活性物质来源而被利用。许多研究人员已经评估了一些犬牙鞘瘿的药用潜力,并发现这些瘿有许多民族医学用途。本研究的目的是测定胆提取物的总生物活性(酚类、类黄酮和单宁)化合物的含量,并通过高效液相色谱法揭示胆提取物中酚类化合物的含量,为今后的药学研究奠定基础。在黑海东部地区收集了寄主植物上共24个类群的七叶蜂瘿。分别用丙酮、乙醇、甲醇和水提取物进行定量分析和高效液相色谱分析。测定了枇杷叶提取物的酚类化合物(酚类、类黄酮和单宁)含量,并对其酚类化合物含量进行了测定。采用高效液相色谱法对乙醇胆提取物中部分酚类化合物进行了分析,其中部分酚类化合物为首次在杜松子籽胆中检测到。2,5-二羟基苯甲酸、咖啡酸、表儿茶素和鞣花酸在乙醇胆提取物中含量最多。总酚、类黄酮和单宁含量差异较大。所有这些对酚类化合物的定量和表征的研究都是首次对这些木香虫瘿分类群进行详细的研究,表明木香虫瘿可能是人类和动物健康的重要药用来源。
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来源期刊
International Journal of Secondary Metabolite
International Journal of Secondary Metabolite Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
1.40
自引率
0.00%
发文量
28
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