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Title: Comparison of the Microbiological Quality and Safety between Conventional and Organic Vegetables Sold in Malaysia
Author(s): Kuan, CH (Kuan, Chee-Hao); Rukayadi, Y (Rukayadi, Yaya); Ahmad, SH (Ahmad, Siti H.); Radzi, CWJWM (Radzi, Che W. J. Wan Mohamed); Thung, TY (Thung, Tze-Young); Premarathne, JMKJK (Premarathne, Jayasekara M. K. J. K.); Chang, WS (Chang, Wei-San); Loo, YY (Loo, Yuet-Ying); Tan, CW (Tan, Chia-Wanq);
Ramzi, OB (Ramzi, Othman B.); Fadzil, SNM (Fadzil, Siti N. Mohd); Kuan, CS (Kuan, Chee-Sian); Yeo, SK (Yeo, Siok-Koon); Nishibuchi, M (Nishibuchi, Mitsuaki);
Radu, S (Radu, Son)
Source: FRONTIERS IN MICROBIOLOGY Volume: 8 Article Number: 1433 DOI: 10.3389/fmicb.2017.01433 Published: JUL 31 2017 Times Cited in Web of Science Core Collection: 0
Total Times Cited: 0
Usage Count (Last 180 days): 10 Usage Count (Since 2013): 10 Cited Reference Count: 67
Abstract: Given the remarkable increase of public interest in organic food products, it is indeed critical to evaluate the microbiological risk associated with consumption of fresh organic produce. Organic farming practices including the use of animal manures may increase the risk of microbiological contamination as manure can act as a vehicle for transmission of foodborne pathogens. This study aimed to determine and compare the microbiological status between organic and conventional fresh produce at the retail level in Malaysia. A total of 152 organic and conventional vegetables were purchased at retail markets in Malaysia. Samples were analyzed for mesophilic aerobic bacteria, yeasts and molds, and total coliforms using conventional microbiological methods. Combination methods of most probable number-multiplex polymerase chain reaction (MPN-mPCR) were used to detect and quantify foodborne pathogens, including Escherichia coli O157:H7, Shiga toxin-producing E. coli (STEC), Listeria monocytogenes, Salmonella Typhimurium, and Salmonella Enteritidis. Results indicated that most types of organic and conventional vegetables possessed similar microbial count (P > 0.05) of mesophilic aerobic bacteria, yeasts and molds, and total coliforms. E. coli O157:H7 and S. Typhimurium were not detected in any sample analyzed in this study. Among the 152 samples tested, only the conventional lettuce and organic carrot were tested positive for STEC and S. Enteritidis, respectively. L. monocytogenes were more frequently detected in both organic (9.1%) and conventional vegetables (2.7%) as compared to E. coli O157:H7, S. Typhimurium, and S. Enteritidis. Overall, no trend was shown that either organically or conventionally grown vegetables have posed greater microbiological risks. These findings indicated that one particular type of farming practices would not affect the microbiological profiles of fresh produce. Therefore, regardless of farming methods, all vegetables should be subjected to appropriate post- harvest handling practices from farm to fork to ensure the quality and safety of the fresh produce.
Accession Number: WOS:000406624700002 PubMed ID: 28824567
Language: English Document Type: Article
Author Keywords: Escherichia coli O157:H7; salmonella; Listeria monocytogenes; fresh produce; organic farming
KeyWords Plus: ESCHERICHIA-COLI O157-H7; LISTERIA-MONOCYTOGENES; MULTIPLEX PCR; SALMONELLA-TYPHIMURIUM; PUBLIC-HEALTH;
LEAFY GREENS; INTERNALIZATION; LETTUCE; FRESH; PREVALENCE
Addresses: [Kuan, Chee-Hao; Rukayadi, Yaya; Thung, Tze-Young; Premarathne, Jayasekara M. K. J. K.; Chang, Wei-San; Loo, Yuet-Ying; Tan, Chia-Wanq; Ramzi, Othman B.; Fadzil, Siti N. Mohd; Radu, Son] Univ Putra Malaysia, Fac Food Sci & Technol, Dept Food Sci, Serdang, Malaysia.
[Ahmad, Siti H.] Univ Putra Malaysia, Fac Agr, Dept Crop Sci, Serdang, Malaysia.
[Radzi, Che W. J. Wan Mohamed] Univ Malaya, Fac Sci, Dept Sci & Technol Studies, Kuala Lumpur, Malaysia.
[Kuan, Chee-Sian] Neogenix Lab Sdn Bhd, Petaling Jaya, Malaysia.
[Yeo, Siok-Koon] Taylors Univ Lakeside, Sch Biosci, Subang Jaya, Malaysia.
[Nishibuchi, Mitsuaki] Kyoto Univ, Ctr Southeast Asian Studies, Kyoto, Japan.
[Radu, Son] Univ Putra Malaysia, Inst Trop Agr & Food Secur, Food Safety & Food Integr, Seri Kembangan, Malaysia.
Reprint Address: Kuan, CH (reprint author), Univ Putra Malaysia, Fac Food Sci & Technol, Dept Food Sci, Serdang, Malaysia.
E-mail Addresses: raymondkuan87@gmail.com Author Identifiers:
Author ResearcherID Number ORCID Number
WAN MOHAMED RADZI, CHE WAN JASIMAH B-8361-2010 Publisher: FRONTIERS MEDIA SA
Publisher Address: PO BOX 110, EPFL INNOVATION PARK, BUILDING I, LAUSANNE, 1015, SWITZERLAND Web of Science Categories: Microbiology
Research Areas: Microbiology IDS Number: FC1VB
ISSN: 1664-302X
29-char Source Abbrev.: FRONT MICROBIOL ISO Source Abbrev.: Front. Microbiol.
Source Item Page Count: 10 Funding:
Funding Agency Grant Number
Research University Grant Scheme Initiative Six (RUGS 6) of Universiti Putra Malaysia GP-IPS 9438703 Fundamental Research Grant Scheme (FRGS) of Ministry of Higher Education (MOHE), Malaysia 02-01-14-1475FR
Japan Society for the Promotion of Sciences KAKENHI 24249038
Ministry of Health, Labor and Welfare, Japan
This research was funded by Research University Grant Scheme Initiative Six (RUGS 6) of Universiti Putra Malaysia (GP-IPS 9438703) and Fundamental Research Grant Scheme (FRGS) of Ministry of Higher Education (MOHE), Malaysia (02-01-14-1475FR) and, in part, by the Kakenhi Grant-in-Aid for Scientific Research (KAKENHI 24249038), Japan Society for the Promotion of Sciences and grant-in-aid of Ministry of Health, Labor and Welfare, Japan.
Open Access: gold Output Date: 2017-11-06
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