Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Chitosan Coatings With Essential Oils Against Colletotrichum gloeosporioides (Penz.) Penz. & Sacc in Annona muricata L. Fruits

Francisco Morales-Chávez
,
Carlos Núñez-Colín
,
Luis Mariscal-Amaro
ORCID logo ,
Adán Morales-Vargas
,
Irán Alia-Tejacal
ORCID logo ,
Edel Rafael Rodea-Montero
ORCID logo ,
Claudia Grijalva-Verdugo
,
Rafael Veloz-García
,
Jesús Rubén Rodríguez-Núñez
* ORCID logo
Version 1 : Received: 27 June 2023 / Approved: 27 June 2023 / Online: 27 June 2023 (14:02:24 CEST)

A peer-reviewed article of this Preprint also exists.

Morales-Chávez, F.; Núñez-Colín, C.; Mariscal-Amaro, L.; Morales-Vargas, A.; Alia-Tejacal, I.; Rodea-Montero, E.R.; Grijalva-Verdugo, C.; Veloz-García, R.; Rodríguez-Núñez, J.R. Chitosan Coatings with Essential Oils against Colletotrichum gloeosporioides (Penz.) Penz. and Sacc. in Annona muricata L. Fruits. Horticulturae 2023, 9, 908. Morales-Chávez, F.; Núñez-Colín, C.; Mariscal-Amaro, L.; Morales-Vargas, A.; Alia-Tejacal, I.; Rodea-Montero, E.R.; Grijalva-Verdugo, C.; Veloz-García, R.; Rodríguez-Núñez, J.R. Chitosan Coatings with Essential Oils against Colletotrichum gloeosporioides (Penz.) Penz. and Sacc. in Annona muricata L. Fruits. Horticulturae 2023, 9, 908.

Abstract

Anthracnose is caused by the fungus Colletotrichum gloeosporioides (Penz.) being the main disease that affects the soursop fruits. The objective was to evaluate the effect of chitosan-based coatings with essential oils on the physiological, antifungal, and shelf-life properties of soursop. Chitosan-based coatings were made with essential oils of cinnamon and thyme and applied to soursop. The parameters evaluated were respiration and ethylene by gas chromatography, shelf life, weight loss, total soluble solids, color, maturity index, and titratable acidity. Chitosan obtained had a molecular weight of 169 kDa and 83% degree of deacetylation, respiration, and ethylene values showed a significant reduction of 47 and 50%, with coatings. Weight loss was reduced by up to 50%, even on inoculated fruits, and shelf life increased by two days. The chitosan-based coatings with essential oils are a good alternative to improve the quality of soursop and decrease the effect of Colletotrichum gloeosporioides.

Keywords

thyme; cinnamon; anthracnose; shelf life; ethylene

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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