Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications

Yeast particles (YPs) are 3–5 µm hollow and porous microspheres, a byproduct of some food grade yeast (<i>Saccharomyces cerevisiae</i>) extract manufacturing processes. Terpenes can be efficiently encapsulated inside YPs by passive diffusion through the porous cell walls. As previously p...

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Main Authors: Ernesto R. Soto, Florentina Rus, Gary R. Ostroff
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/11/3580
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author Ernesto R. Soto
Florentina Rus
Gary R. Ostroff
author_facet Ernesto R. Soto
Florentina Rus
Gary R. Ostroff
author_sort Ernesto R. Soto
collection DOAJ
description Yeast particles (YPs) are 3–5 µm hollow and porous microspheres, a byproduct of some food grade yeast (<i>Saccharomyces cerevisiae</i>) extract manufacturing processes. Terpenes can be efficiently encapsulated inside YPs by passive diffusion through the porous cell walls. As previously published, this YP terpene encapsulation approach has been successfully implemented (1) to develop and commercialize fungicide and nematicide products for agricultural applications, (2) to co-load high potency agrochemical actives dissolved in terpenes or suitable solvents, and (3) to identify YP terpenes with broad-acting anthelmintic activity for potential pharmaceutical applications. These first-generation YP terpene materials were developed with a <2:1 terpene: YP weight ratio. Here we report methods to increase the terpene loading capacity in YPs up to 5:1 terpene: YP weight ratio. Hyper-loaded YP terpenes extend the kinetics of payload release up to three-fold compared to the commercialized YP terpene formulations. Hyper-loaded YP-terpene compositions were further optimized to achieve high terpene storage encapsulation stability from −20 °C to 54 °C. The development of hyper-loaded YP terpenes has a wide range of potential agricultural and pharmaceutical applications with terpenes and other compatible active substances that could benefit from a delivery system with a high payload loading capacity combined with increased payload stability and sustained release properties.
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spelling doaj.art-241828b536734f4691f80ffc47af3ffb2023-11-23T14:31:05ZengMDPI AGMolecules1420-30492022-06-012711358010.3390/molecules27113580Yeast Particles Hyper-Loaded with Terpenes for Biocide ApplicationsErnesto R. Soto0Florentina Rus1Gary R. Ostroff2Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USAProgram in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USAProgram in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USAYeast particles (YPs) are 3–5 µm hollow and porous microspheres, a byproduct of some food grade yeast (<i>Saccharomyces cerevisiae</i>) extract manufacturing processes. Terpenes can be efficiently encapsulated inside YPs by passive diffusion through the porous cell walls. As previously published, this YP terpene encapsulation approach has been successfully implemented (1) to develop and commercialize fungicide and nematicide products for agricultural applications, (2) to co-load high potency agrochemical actives dissolved in terpenes or suitable solvents, and (3) to identify YP terpenes with broad-acting anthelmintic activity for potential pharmaceutical applications. These first-generation YP terpene materials were developed with a <2:1 terpene: YP weight ratio. Here we report methods to increase the terpene loading capacity in YPs up to 5:1 terpene: YP weight ratio. Hyper-loaded YP terpenes extend the kinetics of payload release up to three-fold compared to the commercialized YP terpene formulations. Hyper-loaded YP-terpene compositions were further optimized to achieve high terpene storage encapsulation stability from −20 °C to 54 °C. The development of hyper-loaded YP terpenes has a wide range of potential agricultural and pharmaceutical applications with terpenes and other compatible active substances that could benefit from a delivery system with a high payload loading capacity combined with increased payload stability and sustained release properties.https://www.mdpi.com/1420-3049/27/11/3580yeast particlesterpenesmicroencapsulationbiocidecontrolled delivery
spellingShingle Ernesto R. Soto
Florentina Rus
Gary R. Ostroff
Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications
Molecules
yeast particles
terpenes
microencapsulation
biocide
controlled delivery
title Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications
title_full Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications
title_fullStr Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications
title_full_unstemmed Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications
title_short Yeast Particles Hyper-Loaded with Terpenes for Biocide Applications
title_sort yeast particles hyper loaded with terpenes for biocide applications
topic yeast particles
terpenes
microencapsulation
biocide
controlled delivery
url https://www.mdpi.com/1420-3049/27/11/3580
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AT florentinarus yeastparticleshyperloadedwithterpenesforbiocideapplications
AT garyrostroff yeastparticleshyperloadedwithterpenesforbiocideapplications