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Sterilization of oyster mushroom crop residue substrate by using cold plasma technology

Traditional steaming method applied by mushroom entrepreneurs took long time (48 h) to complete the sterilization process. Moreover, improper steaming process causes contamination by soil-borne pathogens. This study will develop a new design by using cold plasma technology for crop residue substrate...

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Main Authors:	Agun, Linda, Ahmad, Norhayati, Redzuan, Norizah, Idirs, Nor Azyan Syahirah, Mat Taib, Shazwin, Zakaria, Zarita, Raja Ibrahim, Raja Kamarulzaman
Format:	Article
Published:	Elsevier 2021
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/90112/ http://dx.doi.org/10.1016/j.matpr.2020.03.584
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spelling	my.utm.901122021-03-31T06:21:17Z http://eprints.utm.my/id/eprint/90112/ Sterilization of oyster mushroom crop residue substrate by using cold plasma technology Agun, Linda Ahmad, Norhayati Redzuan, Norizah Idirs, Nor Azyan Syahirah Mat Taib, Shazwin Zakaria, Zarita Raja Ibrahim, Raja Kamarulzaman TJ Mechanical engineering and machinery Traditional steaming method applied by mushroom entrepreneurs took long time (48 h) to complete the sterilization process. Moreover, improper steaming process causes contamination by soil-borne pathogens. This study will develop a new design by using cold plasma technology for crop residue substrate sterilization process. The cold plasma discharge works as sterilization able to kill the soil-borne pathogens without effect the substrate properties. Hence, focus was intention to examine the efficiency of the dielectric barrier discharges cold plasma (DBD-CP) pen mixer system on the crop residue substrate sterilization process for oyster mushroom cultivation. This renewal process develops by using electric field from voltage breakdown to discharge the plasma. The plasma with variable sterilization duration of 0 min, 5 min, 10 min, 15 min, 20 min and 25 min will discharge on the crop residue substrate. The soil-borne pathogens inactivation occupies on agro-waste substrate will examine using bacteria colony forming unit (CFU) method. Data gathered shows the bacteria colonies reduce from 1.09 CFU/mL (0 min) to 1.58 CFU/mL (25 min) due to increment of sterilization time. The mushrooms cultivation duration also characterized. The mushroom fruiting body was successfully growth two days earlier on crop residue substrate sterilized using cold plasma technology. Results show 25 min of sterilization duration by cold plasma technology shows the best optimum time. As conclusion, cold plasma technology is an efficient technology and can be applied in oyster mushroom industry for crop residue substrate sterilization process. The mushroom productivity was increase, the mushroom fruiting body growth faster, the sterilization time was shorter and the soil-borne pathogens were reduced. Elsevier 2021 Article PeerReviewed Agun, Linda and Ahmad, Norhayati and Redzuan, Norizah and Idirs, Nor Azyan Syahirah and Mat Taib, Shazwin and Zakaria, Zarita and Raja Ibrahim, Raja Kamarulzaman (2021) Sterilization of oyster mushroom crop residue substrate by using cold plasma technology. Materials Today: Proceedings, 39 (2). pp. 903-906. ISSN 2214-7853 http://dx.doi.org/10.1016/j.matpr.2020.03.584
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Agun, Linda Ahmad, Norhayati Redzuan, Norizah Idirs, Nor Azyan Syahirah Mat Taib, Shazwin Zakaria, Zarita Raja Ibrahim, Raja Kamarulzaman Sterilization of oyster mushroom crop residue substrate by using cold plasma technology
description	Traditional steaming method applied by mushroom entrepreneurs took long time (48 h) to complete the sterilization process. Moreover, improper steaming process causes contamination by soil-borne pathogens. This study will develop a new design by using cold plasma technology for crop residue substrate sterilization process. The cold plasma discharge works as sterilization able to kill the soil-borne pathogens without effect the substrate properties. Hence, focus was intention to examine the efficiency of the dielectric barrier discharges cold plasma (DBD-CP) pen mixer system on the crop residue substrate sterilization process for oyster mushroom cultivation. This renewal process develops by using electric field from voltage breakdown to discharge the plasma. The plasma with variable sterilization duration of 0 min, 5 min, 10 min, 15 min, 20 min and 25 min will discharge on the crop residue substrate. The soil-borne pathogens inactivation occupies on agro-waste substrate will examine using bacteria colony forming unit (CFU) method. Data gathered shows the bacteria colonies reduce from 1.09 CFU/mL (0 min) to 1.58 CFU/mL (25 min) due to increment of sterilization time. The mushrooms cultivation duration also characterized. The mushroom fruiting body was successfully growth two days earlier on crop residue substrate sterilized using cold plasma technology. Results show 25 min of sterilization duration by cold plasma technology shows the best optimum time. As conclusion, cold plasma technology is an efficient technology and can be applied in oyster mushroom industry for crop residue substrate sterilization process. The mushroom productivity was increase, the mushroom fruiting body growth faster, the sterilization time was shorter and the soil-borne pathogens were reduced.
format	Article
author	Agun, Linda Ahmad, Norhayati Redzuan, Norizah Idirs, Nor Azyan Syahirah Mat Taib, Shazwin Zakaria, Zarita Raja Ibrahim, Raja Kamarulzaman
author_facet	Agun, Linda Ahmad, Norhayati Redzuan, Norizah Idirs, Nor Azyan Syahirah Mat Taib, Shazwin Zakaria, Zarita Raja Ibrahim, Raja Kamarulzaman
author_sort	Agun, Linda
title	Sterilization of oyster mushroom crop residue substrate by using cold plasma technology
title_short	Sterilization of oyster mushroom crop residue substrate by using cold plasma technology
title_full	Sterilization of oyster mushroom crop residue substrate by using cold plasma technology
title_fullStr	Sterilization of oyster mushroom crop residue substrate by using cold plasma technology
title_full_unstemmed	Sterilization of oyster mushroom crop residue substrate by using cold plasma technology
title_sort	sterilization of oyster mushroom crop residue substrate by using cold plasma technology
publisher	Elsevier
publishDate	2021
url	http://eprints.utm.my/id/eprint/90112/ http://dx.doi.org/10.1016/j.matpr.2020.03.584
_version_	1696976263160266752
score	13.211869

Sterilization of oyster mushroom crop residue substrate by using cold plasma technology

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