Acción ixodicida de productos naturales de plantas nativas mexicanas

IF 0.7 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Revista Mexicana de Ciencias Pecuarias Pub Date : 2023-04-03 DOI:10.22319/rmcp.v14i2.6245
Javier Sosa-Rueda, Fabiola Villarauz, Vanihamin Domínguez-Meléndez, Ida Soto-Rodríguez, Fernando C. López-Fentanes, D. I. Martínez-Herrera, Á. Peniche-Cardeña, Francisco Cen-Pacheco
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Abstract

This work determined the acaricidal effect of 18 Mexican plants against Rhipicephalus microplus. The results of the larvicidal assay revealed that 5 methanolic extracts produced high activity (86-100 % mortality), 3 extracts exhibited relatively high activity (71-85 % mortality), 2 extracts displayed moderate activity (56-70 % mortality), 2 extracts presented low activity (31-55 % mortality) and 6 extracts showed non-significant acaricidal activity (0-30 % mortality). Extracts inducing >56 % mortality were subsequently assayed against engorged ticks of R. microplus by adult immersion test at a concentration of 5.0% w/v. In general terms, the results on larvae and adult ticks indicated that the methanolic extracts of Annona globiflora, Annona scleroderma, Litchi chinensis and Azadirachta indica showed the greatest activities. The crude extract of A. indica was subjected to chromatographic purification, which has led to the isolation of 3-O-butyl-(-)-epigallocatechin (1), 3-O-butyl-(-)-epicatechin (2), (-)-epigallocatechin (3), (+)-gallocatechin (4), (-)-epicatechin (5), β-sitosterol (6), stigmasterol (7), stigmasterol glucoside (8), triolein (9), azadirachtin A (10), and the octadecanoic acid-tetrahydrofuran-3,4-vinyl ester (11). The isolated compounds' chemical structures were identified by the interpretation of NMR and HRESI-MS spectroscopic data. The isolated compounds were assayed against engorged ticks of R. microplus at a concentration of 6 mM. Based on the results obtained, it was concluded that 3-O-butyl-(-)-epigallocatechin (1), 3-O-butyl-(-)-epicatechin (2), azadirachtin A (10), and octadecanoic acid-tetrahydrofuran-3,4-vinyl ester (11) show the highest effectiveness.
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墨西哥本土植物天然产物的ixodicida作用
本工作测定了18种墨西哥植物对小Rhipipipcephalus microplus的杀螨效果。杀幼虫试验的结果显示,5种甲醇提取物产生高活性(86-100%死亡率),3种提取物表现出相对高的活性(71-85%死亡率),2种提取物显示出中等活性(56-70%死亡率),两种提取物呈现出低活性(31-55%死亡率),6种提取物显示不显著的杀螨活性(0-30%死亡率)。随后,通过浓度为5.0%w/v的成人浸泡试验,对引起>56%死亡率的微小乳杆菌提取物进行了抗充血蜱的测定。总的来说,对幼虫和成年蜱的研究结果表明,番荔枝、硬皮番荔枝和印楝的甲醇提取物表现出最大的活性。对A.indica的粗提取物进行色谱纯化,分离得到3-O-丁基-(-)-表没食子儿茶素(1)、3-O-丁基(-)表儿茶素(2)、(-)表面没食子儿儿茶素(3)、(+)-没食子儿儿茶素(4)、,和十八烷酸-四氢呋喃-3,4-乙烯酯(11)。通过NMR和HRESI-MS光谱数据的解释鉴定了分离的化合物的化学结构。分离的化合物在6mM的浓度下对微小乳杆菌的充血蜱进行了测定。根据所获得的结果,得出结论:3-O-丁基-(-)-表没食子儿茶素(1)、3-O-丁基(-)表儿茶素(2)、印楝素a(10)和十八酸-四氢呋喃-3,4-乙烯酯(11)显示出最高的有效性。
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来源期刊
Revista Mexicana de Ciencias Pecuarias
Revista Mexicana de Ciencias Pecuarias AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
1.20
自引率
0.00%
发文量
93
审稿时长
>12 weeks
期刊介绍: The MEXICAN MAGAZINE OF SCIENCES PECUARIAS is an organ of scientific and technical diffusion of the livestock sector. Its periodicity is quarterly and arbitrated by pairs in the double-blind mode. Its objective is to make known the results of the research carried out by any scientific institution, in Mexico and in any part of the world, related to the livestock sciences, particularly those that refer to the different disciplines of Veterinary Medicine and Animal Science. The Journal is bilingual, publishes the complete articles in Spanish or English and is included in various indexing services and international dissemination platforms, such as the Index of Mexican Journals of Scientific and Technological Research of the National Council of Science and Technology (CONACYT); In the EBSCO Host database; In the Network of Scientific Journals of Latin America and the Caribbean, Spain and Portugal (RedALyC); In the Ibero-American Network of Scientific Journals of Free Access Veterinary Medicine. Indexed in the ISI Journal Citation Report Science Edition; And Elsevier''s SCOPUS and EMBASE indices.
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