Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix

Microgreens are an emerging salad crop with properties similar to those of sprouted seeds and lettuce. This study aimed to determine bacterial pathogen persistence during microgreen cultivation and transfer from soil-free cultivation matrix (SFCM) to mature microgreens. <i>Salmonella enterica&...

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Autores principales:	Wenjun Deng, Gina M. Misra, Christopher A. Baker, Kristen E. Gibson
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	microgreens peat vermiculite growing mats <i>Salmonella</i> spp. <i>Listeria monocytogenes</i> Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/ae40a34cc12a49778b5986ee5dd7372a
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spelling	oai:doaj.org-article:ae40a34cc12a49778b5986ee5dd7372a2021-11-25T17:47:13ZPersistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix10.3390/horticulturae71104462311-7524https://doaj.org/article/ae40a34cc12a49778b5986ee5dd7372a2021-11-01T00:00:00Zhttps://www.mdpi.com/2311-7524/7/11/446https://doaj.org/toc/2311-7524Microgreens are an emerging salad crop with properties similar to those of sprouted seeds and lettuce. This study aimed to determine bacterial pathogen persistence during microgreen cultivation and transfer from soil-free cultivation matrix (SFCM) to mature microgreens. <i>Salmonella enterica</i> subsp. <i>enterica</i> ser. Javiana and <i>Listeria monocytogenes</i> were inoculated onto biostrate mats as well as peat SFCM and sampled (day 0). Next, sunflower and pea shoot seeds were planted (day 0) and grown in a controlled environment until the microgreen harvest (day 10). On day 10, SFCM and microgreens were sampled to determine the pathogen levels in the SFCM and the pathogen transfer to microgreens during production. <i>Salmonella</i> Javiana log CFU/g were significantly higher than <i>L. monocytogenes</i> in SFCM on day 10 in both planted and unplanted regions (<i>p</i> < 0.05). Significant differences in pathogen transfer (log CFU/g) were observed between the pea shoot and sunflower microgreens, regardless of the pathogen or SFCM type (<i>p</i> < 0.05). Meanwhile, pathogen transfer to the pea shoot and sunflower microgreens from the biostrate was 1.53 (95% CI: −0.75–3.81) and 5.29 (95% CI: 3.01–7.57) mean log CFU/g, respectively, and transfer from the peat was 0.00 (95% CI: −2.28–2.28) and 2.64 (95% CI: 0.36–4.92) mean log CFU/g, respectively. Results demonstrate that pathogen transfer to microgreens during production is influenced by SFCM and microgreen variety.Wenjun DengGina M. MisraChristopher A. BakerKristen E. GibsonMDPI AGarticlemicrogreenspeatvermiculitegrowing mats<i>Salmonella</i> spp.<i>Listeria monocytogenes</i>Plant cultureSB1-1110ENHorticulturae, Vol 7, Iss 446, p 446 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microgreens peat vermiculite growing mats <i>Salmonella</i> spp. <i>Listeria monocytogenes</i> Plant culture SB1-1110
spellingShingle	microgreens peat vermiculite growing mats <i>Salmonella</i> spp. <i>Listeria monocytogenes</i> Plant culture SB1-1110 Wenjun Deng Gina M. Misra Christopher A. Baker Kristen E. Gibson Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix
description	Microgreens are an emerging salad crop with properties similar to those of sprouted seeds and lettuce. This study aimed to determine bacterial pathogen persistence during microgreen cultivation and transfer from soil-free cultivation matrix (SFCM) to mature microgreens. <i>Salmonella enterica</i> subsp. <i>enterica</i> ser. Javiana and <i>Listeria monocytogenes</i> were inoculated onto biostrate mats as well as peat SFCM and sampled (day 0). Next, sunflower and pea shoot seeds were planted (day 0) and grown in a controlled environment until the microgreen harvest (day 10). On day 10, SFCM and microgreens were sampled to determine the pathogen levels in the SFCM and the pathogen transfer to microgreens during production. <i>Salmonella</i> Javiana log CFU/g were significantly higher than <i>L. monocytogenes</i> in SFCM on day 10 in both planted and unplanted regions (<i>p</i> < 0.05). Significant differences in pathogen transfer (log CFU/g) were observed between the pea shoot and sunflower microgreens, regardless of the pathogen or SFCM type (<i>p</i> < 0.05). Meanwhile, pathogen transfer to the pea shoot and sunflower microgreens from the biostrate was 1.53 (95% CI: −0.75–3.81) and 5.29 (95% CI: 3.01–7.57) mean log CFU/g, respectively, and transfer from the peat was 0.00 (95% CI: −2.28–2.28) and 2.64 (95% CI: 0.36–4.92) mean log CFU/g, respectively. Results demonstrate that pathogen transfer to microgreens during production is influenced by SFCM and microgreen variety.
format	article
author	Wenjun Deng Gina M. Misra Christopher A. Baker Kristen E. Gibson
author_facet	Wenjun Deng Gina M. Misra Christopher A. Baker Kristen E. Gibson
author_sort	Wenjun Deng
title	Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix
title_short	Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix
title_full	Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix
title_fullStr	Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix
title_full_unstemmed	Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix
title_sort	persistence and transfer of foodborne pathogens to sunflower and pea shoot microgreens during production in soil-free cultivation matrix
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ae40a34cc12a49778b5986ee5dd7372a
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Persistence and Transfer of Foodborne Pathogens to Sunflower and Pea Shoot Microgreens during Production in Soil-Free Cultivation Matrix

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