Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers

Phenethyl isothiocyanate isolated from <i>Armoracia rusticana</i> root oil and its derivatives were tested at different doses in a bioassay designed to evaluate repellency against individual <i>Haemaphysalis longicornis</i> nymphs. Among the tested compounds, benzyl isothiocy...

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Autores principales:	Hui-Ju Kim, Ah-Hyeon Jeong, Ji-Hoon Lee, Jun-Hwan Park
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Armoracia rusticana</i> root oil <i>Haemaphysalis longicornis</i> nymphs repellency benzyl isothiocyanate encapsulation yeast cell Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/2aeb07e66cf3467d9a6bc87f00a28db0
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spelling	oai:doaj.org-article:2aeb07e66cf3467d9a6bc87f00a28db02021-11-25T18:27:29ZPersistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers10.3390/molecules262268171420-3049https://doaj.org/article/2aeb07e66cf3467d9a6bc87f00a28db02021-11-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/22/6817https://doaj.org/toc/1420-3049Phenethyl isothiocyanate isolated from <i>Armoracia rusticana</i> root oil and its derivatives were tested at different doses in a bioassay designed to evaluate repellency against individual <i>Haemaphysalis longicornis</i> nymphs. Among the tested compounds, benzyl isothiocyanate exhibited repellency against <i>H. longicornis</i> nymphs at the lowest dose of 0.00625 mg/cm<sup>2</sup>, followed by phenethyl isothiocyanate (0.0125 mg/cm<sup>2</sup>) and phenyl isothiocyanate (0.025 mg/cm<sup>2</sup>). The behavioral responses of <i>H. longicornis</i> nymphs exposed to benzyl isothiocyanate and phenethyl isothiocyanate indicated that the mode of action of these compounds can be mainly attributed to the vapor phase. Encapsulated benzyl isothiocyanate showed repellency up to 120 min post-application at 0.1 mg/cm<sup>2</sup>, whereas pure benzyl isothiocyanate showed repellency up to 60 min post-application at 0.1 mg/cm<sup>2</sup>. The present study suggests that benzyl isothiocyanate is a potential repellent for protection against <i>H. longicornis</i> nymphs, and encapsulation in yeast cells may enhance the repellency effect.Hui-Ju KimAh-Hyeon JeongJi-Hoon LeeJun-Hwan ParkMDPI AGarticle<i>Armoracia rusticana</i> root oil<i>Haemaphysalis longicornis</i> nymphsrepellencybenzyl isothiocyanateencapsulationyeast cellOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6817, p 6817 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Armoracia rusticana</i> root oil <i>Haemaphysalis longicornis</i> nymphs repellency benzyl isothiocyanate encapsulation yeast cell Organic chemistry QD241-441
spellingShingle	<i>Armoracia rusticana</i> root oil <i>Haemaphysalis longicornis</i> nymphs repellency benzyl isothiocyanate encapsulation yeast cell Organic chemistry QD241-441 Hui-Ju Kim Ah-Hyeon Jeong Ji-Hoon Lee Jun-Hwan Park Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers
description	Phenethyl isothiocyanate isolated from <i>Armoracia rusticana</i> root oil and its derivatives were tested at different doses in a bioassay designed to evaluate repellency against individual <i>Haemaphysalis longicornis</i> nymphs. Among the tested compounds, benzyl isothiocyanate exhibited repellency against <i>H. longicornis</i> nymphs at the lowest dose of 0.00625 mg/cm<sup>2</sup>, followed by phenethyl isothiocyanate (0.0125 mg/cm<sup>2</sup>) and phenyl isothiocyanate (0.025 mg/cm<sup>2</sup>). The behavioral responses of <i>H. longicornis</i> nymphs exposed to benzyl isothiocyanate and phenethyl isothiocyanate indicated that the mode of action of these compounds can be mainly attributed to the vapor phase. Encapsulated benzyl isothiocyanate showed repellency up to 120 min post-application at 0.1 mg/cm<sup>2</sup>, whereas pure benzyl isothiocyanate showed repellency up to 60 min post-application at 0.1 mg/cm<sup>2</sup>. The present study suggests that benzyl isothiocyanate is a potential repellent for protection against <i>H. longicornis</i> nymphs, and encapsulation in yeast cells may enhance the repellency effect.
format	article
author	Hui-Ju Kim Ah-Hyeon Jeong Ji-Hoon Lee Jun-Hwan Park
author_facet	Hui-Ju Kim Ah-Hyeon Jeong Ji-Hoon Lee Jun-Hwan Park
author_sort	Hui-Ju Kim
title	Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers
title_short	Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers
title_full	Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers
title_fullStr	Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers
title_full_unstemmed	Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers
title_sort	persistence enhancement of a promising tick repellent, benzyl isothiocyanate, by yeast microcarriers
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2aeb07e66cf3467d9a6bc87f00a28db0
work_keys_str_mv	AT huijukim persistenceenhancementofapromisingtickrepellentbenzylisothiocyanatebyyeastmicrocarriers AT ahhyeonjeong persistenceenhancementofapromisingtickrepellentbenzylisothiocyanatebyyeastmicrocarriers AT jihoonlee persistenceenhancementofapromisingtickrepellentbenzylisothiocyanatebyyeastmicrocarriers AT junhwanpark persistenceenhancementofapromisingtickrepellentbenzylisothiocyanatebyyeastmicrocarriers
_version_	1718411123358695424

Persistence Enhancement of a Promising Tick Repellent, Benzyl Isothiocyanate, by Yeast Microcarriers

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