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Bayraç C, Yılmaz B, Bayrakcı M. Adsorption behavior of carboxy- and amine-terminated magnetic beads for patulin: Batch experiments in aqueous solution and apple juice. Food Res Int 2022; 162:112077. [DOI: 10.1016/j.foodres.2022.112077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 10/13/2022] [Accepted: 10/22/2022] [Indexed: 11/17/2022]
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Nan M, Xue H, Bi Y. Contamination, Detection and Control of Mycotoxins in Fruits and Vegetables. Toxins (Basel) 2022; 14:toxins14050309. [PMID: 35622556 PMCID: PMC9143439 DOI: 10.3390/toxins14050309] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/18/2022] [Accepted: 04/24/2022] [Indexed: 01/09/2023] Open
Abstract
Mycotoxins are secondary metabolites produced by pathogenic fungi that colonize fruits and vegetables either during harvesting or during storage. Mycotoxin contamination in fruits and vegetables has been a major problem worldwide, which poses a serious threat to human and animal health through the food chain. This review systematically describes the major mycotoxigenic fungi and the produced mycotoxins in fruits and vegetables, analyzes recent mycotoxin detection technologies including chromatography coupled with detector (i.e., mass, ultraviolet, fluorescence, etc.) technology, electrochemical biosensors technology and immunological techniques, as well as summarizes the degradation and detoxification technologies of mycotoxins in fruits and vegetables, including physical, chemical and biological methods. The future prospect is also proposed to provide an overview and suggestions for future mycotoxin research directions.
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Affiliation(s)
- Mina Nan
- College of Science, Gansu Agricultural University, Lanzhou 730070, China;
- Basic Experiment Teaching Center, Gansu Agricultural University, Lanzhou 730070, China
| | - Huali Xue
- College of Science, Gansu Agricultural University, Lanzhou 730070, China;
- Correspondence: (H.X.); (Y.B.); Tel.: +86-931-763-1212 (H.X.); +86-931-763-1113 (Y.B.)
| | - Yang Bi
- College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China
- Correspondence: (H.X.); (Y.B.); Tel.: +86-931-763-1212 (H.X.); +86-931-763-1113 (Y.B.)
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İçli N. Occurrence of patulin and 5-hydroxymethylfurfural in apple sour, which is a traditional product of Kastamonu, Turkey. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:952-963. [PMID: 31021247 DOI: 10.1080/19440049.2019.1605207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Apple sour is a traditional product of Kastamonu, Turkey. It is consumed by spreading on bread or drinking after diluting with water. The aim of this study was to determine patulin (PAT) and 5-hydroxymethylfurfural (HMF) in apple sour. This study is the first to evaluate the occurrence of PAT and HMF in apple sour. The samples were extracted with ethyl acetate using liquid-liquid extraction technique. PAT and HMF were determined by HPLC with UV detection. PAT was detected in all samples, and the PAT level in 94.9% of samples was found to be equal or greater than the legal limit for juice concentrates. The mean value for PAT was found to be 284 ± 307 μg kg-1. PAT levels in 13 of 39 samples were in the range of 100 ≤ x < 200 μg kg-1, two samples were in the range of 0 ≤ x < 50 μg kg -1 and two samples were in the range of 1000 ≤ x < 1500 μg kg1. HMF levels of all samples were above the legal limit for solid molasses. The mean value for HMF was found to be 16215 ± 13317 mg kg-1. HMF levels of 10 of 39 samples were determined to be in the range of 10000 ≤ x < 20000 mg kg-1, eight samples were in the range of 20000 ≤ x < 30000 mg kg-1 and only three samples were in the range of 100 ≤ x < 1000 mg kg-1. There was a significant and inverse relationship between HMF and pH of the samples. These results indicate that consumption of apple sour is a considerable risk in terms of HMF and PAT toxicity.
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Affiliation(s)
- Nesrin İçli
- a Faculty of Health Sciences, Department of Nutrition and Dietetics , Kastamonu University , Kastamonu , Turkey.,b Central Research Laboratory Application and Research Center , Kastamonu University , Kastamonu , Turkey
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Ibarz R, Garvín A, Ibarz A. Kinetic and thermodynamic study of the photochemical degradation of patulin. Food Res Int 2017; 99:348-354. [DOI: 10.1016/j.foodres.2017.05.025] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 05/24/2017] [Accepted: 05/27/2017] [Indexed: 12/01/2022]
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Luo Y, Wang J, Liu B, Wang Z, Yuan Y, Yue T. Effect of Yeast Cell Morphology, Cell Wall Physical Structure and Chemical Composition on Patulin Adsorption. PLoS One 2015; 10:e0136045. [PMID: 26295574 PMCID: PMC4546513 DOI: 10.1371/journal.pone.0136045] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 07/29/2015] [Indexed: 11/18/2022] Open
Abstract
The capability of yeast to adsorb patulin in fruit juice can aid in substantially reducing the patulin toxic effect on human health. This study aimed to investigate the capability of yeast cell morphology and cell wall internal structure and composition to adsorb patulin. To compare different yeast cell morphologies, cell wall internal structure and composition, scanning electron microscope, transmission electron microscope and ion chromatography were used. The results indicated that patulin adsorption capability of yeast was influenced by cell surface areas, volume, and cell wall thickness, as well as 1,3-β-glucan content. Among these factors, cell wall thickness and 1,3-β-glucan content serve significant functions. The investigation revealed that patulin adsorption capability was mainly affected by the three-dimensional network structure of the cell wall composed of 1,3-β-glucan. Finally, patulin adsorption in commercial kiwi fruit juice was investigated, and the results indicated that yeast cells could adsorb patulin from commercial kiwi fruit juice efficiently. This study can potentially simulate in vitro cell walls to enhance patulin adsorption capability and successfully apply to fruit juice industry.
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Affiliation(s)
- Ying Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Jianguo Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Bin Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhouli Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yahong Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Tianli Yue
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
- * E-mail:
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Yue T, Guo C, Yuan Y, Wang Z, Luo Y, Wang L. Adsorptive removal of patulin from apple juice using Ca-alginate-activated carbon beads. J Food Sci 2013; 78:T1629-T1635. [PMID: 24032606 DOI: 10.1111/1750-3841.12254] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 07/21/2013] [Indexed: 11/27/2022]
Abstract
This study aimed to investigate the adsorption of patulin from apple juice by Ca-alginate-activated carbon (Ca-alginate-AC) beads. The capacity of patulin was determined by high-performance liquid chromatography. The results showed that Ca-alginate-AC beads have significant ability to reduce patulin from contaminated apple juice. Furthermore, the adsorption process did not affect the quality of apple juice. The effects of contact time, initial patulin concentration, adsorbent dose, and temperature were assessed. The removal percentage of patulin increased with contact time, adsorbent dose, and temperature. A reduction was also noted to bind patulin at increased levels of contamination. The equilibrium data were fitted to Langmuir, Freundlich, and Temkin isotherm models and the isotherm constants were calculated at different temperatures. The adsorption equilibrium was best described by the Freundlich isotherm (R(2) > 0.990). The pseudo 1st-order model was found to describe the kinetic data satisfactorily. Thermodynamic parameters such as standard Gibbs free energy (ΔG◦◦), standard enthalpy (ΔH◦), and standard entropy (ΔS◦) were evaluated. The results showed that the adsorption was spontaneous and endothermic nature.
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Affiliation(s)
- Tianli Yue
- Northwest A&F Univ., College of Food Science and Engineering, Yangling 712100, China
| | - Caixia Guo
- Northwest A&F Univ., College of Food Science and Engineering, Yangling 712100, China.,Shanxi Univ., College of Life Science and Technology, Taiyuan 030006, China
| | - Yahong Yuan
- Northwest A&F Univ., College of Food Science and Engineering, Yangling 712100, China
| | - Zhouli Wang
- Northwest A&F Univ., College of Food Science and Engineering, Yangling 712100, China
| | - Ying Luo
- Northwest A&F Univ., College of Food Science and Engineering, Yangling 712100, China
| | - Ling Wang
- Northwest A&F Univ., College of Food Science and Engineering, Yangling 712100, China
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Brown KA, Mays T, Romoser A, Marroquin-Cardona A, Mitchell NJ, Elmore SE, Phillips TD. Modified hydra bioassay to evaluate the toxicity of multiple mycotoxins and predict the detoxification efficacy of a clay-based sorbent. J Appl Toxicol 2012; 34:40-8. [PMID: 23047854 DOI: 10.1002/jat.2824] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 08/23/2012] [Accepted: 08/23/2012] [Indexed: 11/08/2022]
Abstract
Food shortages and a lack of food supply regulation in developing countries often leads to chronic exposure of vulnerable populations to hazardous mixtures of mycotoxins, including aflatoxin B(1) (AFB(1)) and fumonisin B(1) (FB(1)). A refined calcium montmorillonite clay [i.e. uniform particle size NovaSil (UPSN)] has been reported to tightly bind these toxins, thereby decreasing bioavailability in humans and animals. Hence, our objectives in the present study were to examine the ability of UPSN to bind mixtures of AFB(1) and FB(1) at gastrointestinally relevant pH in vitro, and to utilize a rapid in vivo bioassay to evaluate AFB(1) and FB(1) toxicity and UPSN efficacy. Isothermal sorption data indicated tight AFB(1) binding to UPSN surfaces at both pH 2.0 and 6.5, but substantially more FB(1) bound at pH 2.0 than 6.5. Site-specific competition occurred between the toxins when exposed to UPSN in combination. Importantly, treatment with UPSN resulted in significant protection to mycotoxin-exposed hydra maintained at pH 6.9-7.0. Hydra were exposed to FB(1), AFB(1) and FB(1) /AFB(1) combinations with and without UPSN. A toxic response over 92 h was rated based on morphology and mortality. Hydra assay results indicated a minimum effective concentration (MEC) of 20 µg ml(-1) for AFB(1), whereas the MEC for FB(1) was not reached. The MEC for co-exposure was 400 µg ml(-1) FB(1) + 10 µg ml(-1) AFB(1). This study demonstrates that UPSN sorbs both mycotoxins tightly at physiologically relevant pH levels, resulting in decreased bioavailability, and that a modified hydra bioassay can be used as an initial screen in vivo to predict efficacy of toxin-binding agents.
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Affiliation(s)
- K A Brown
- Veterinary Integrative Biosciences Department, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
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Chen L, Ingham BH, Ingham S. Survival of Penicillium expansum and Patulin Production on Stored Apples after Wash Treatments. J Food Sci 2011. [DOI: 10.1111/j.1750-3841.2004.tb18016.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Yue T, Dong Q, Guo C, Worobo RW. Reducing patulin contamination in apple juice by using inactive yeast. J Food Prot 2011; 74:149-53. [PMID: 21219779 DOI: 10.4315/0362-028x.jfp-10-326] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The mycotoxin, patulin (4-hydroxy-4H-furo[3,2c]pyran-2[6H]-one), is a secondary metabolite produced mainly in rotten parts of fruits and vegetables, most notably apples and apple products, by a wide range of fungal species in the genera Penicillium, Aspergillus, and Byssochlamys. Due to its mutagenic and teratogenic nature and possible health risks to consumers, many countries have regulations to reduce levels of patulin in apple products. In the present study, reduction of patulin contamination in apple juice by using 10 different inactivated yeast strains was assessed. Our results indicated that nearly twofold differences in biomass existed among the 10 yeast strains. Eight of the 10 inactivated yeast strains could provide >50% patulin reduction in apple juice within 24 h, with the highest reduction rate being >72%. Furthermore, juice quality parameters, i.e., degrees Brix, total sugar, titratable acidity, color value, and clarity, of the treated apple juice were very similar to those of the untreated patulin-free juice. Potential applications of using inactivated yeast strain for patulin control are also discussed.
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Affiliation(s)
- Tianli Yue
- College of Food Science and Engineering, Northwest Agriculture and Forestry University, Yangling 712100, China
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Marroquín-Cardona A, Deng Y, Taylor JF, Hallmark CT, Johnson NM, Phillips TD. In vitro and in vivo characterization of mycotoxin-binding additives used for animal feeds in Mexico. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2010; 26:733-43. [PMID: 19680945 DOI: 10.1080/02652030802641872] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The study was conducted to characterize and compare twelve different additives distributed in Mexico as mycotoxin binders utilizing: (1) equilibrium isothermal analysis for aflatoxin B(1) (AFB(1)) adsorption, (2) a variety of mineralogical probes, and (3) Hydra toxicity bioassay. The test additives Milbond-TX (MLB), Mycoad (MCA), Volclay FD181 (VOL), Fixat (FXT), Toxinor (TOX), Mexsil (MEX), Mycosil (MYC), Klinsil (KLS), Zeotek (ZEO), Duotek (DUO), Mycosorb (MSB), and Mycofix Plus 3.0 (MIX) were compared with NovaSil Plus (NSP). Isotherms for AFB(1) adsorption were conducted at pH 2 and pH 6.5, mimicking pH conditions in the stomach and small intestine. Mineralogical analysis included determination of swelling volume, X-ray diffraction analysis, and fractionation procedures. A Hydra vulgaris toxicity study was performed to evaluate the potential safety of the additives. Computer-generated isotherm data were fit using the Langmuir model, and parameters of Q(max) and K(d) were estimated. The most effective additives for AFB(1) at both pH conditions were NSP, MLB, MCA and VOL, while the least effective was MSB. The amounts of sand, silt and clay fractions varied among the additives. Nine of the additives showed the presence of smectite. Most of the additives were found to be non-toxic to Hydra except for the organoclays (ZEO, DUO) and MSB. In general, NSP demonstrated the highest sorption capacity in the bulk material and the different fractions. Studies to characterize these binding additives further and to evaluate their multiple mycotoxin sorption claims are ongoing.
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Dong Q, Manns DC, Feng G, Yue T, Churey JJ, Worobo RW. Reduction of patulin in apple cider by UV radiation. J Food Prot 2010; 73:69-74. [PMID: 20051206 DOI: 10.4315/0362-028x-73.1.69] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The presence of the mycotoxin patulin in processed apple juice and cider presents a continual challenge to the food industry as both consumer health and product quality issues. Although several methods for control and/or elimination of patulin have been proposed, no unifying method has been commercially successful for reducing patulin burdens while maintaining product quality. In the present study, exposure to germicidal UV radiation was evaluated as a possible commercially viable alternative for the reduction and possible elimination of the patulin mycotoxin in fresh apple cider. UV exposure of 14.2 to 99.4 mJ/cm(2) resulted in a significant and nearly linear decrease in patulin levels while producing no quantifiable changes in the chemical composition (i.e., pH, Brix, and total acids) or organoleptic properties of the cider. For the range of UV doses tested, patulin levels decreased by 9.4 to 43.4%; the greatest reduction was achieved after less than 15 s of UV exposure. The method of UV radiation (the CiderSure 3500 system) is an easily implemented, high-throughput, and cost-effective method that offers simultaneous UV pasteurization of cider and juice products and reduction and/or elimination of patulin without unwanted alterations in the final product.
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Affiliation(s)
- Qingfang Dong
- College of Food Science and Engineering, Northwest Agriculture and Forestry University, Yangling 712100, China
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Gillard N, Agneessens R, Dubois M, Delahaut P. Quantification of patulin in Belgian handicraft-made apple juices. WORLD MYCOTOXIN J 2009. [DOI: 10.3920/wmj2008.1054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The aim of the present study was to evaluate the patulin risk stemming from the quality of apple juice produced by two small processing companies (fruit presses) located in the South of Belgium (Walloon region). A quantification method based on high-performance liquid chromatography with UV detection was developed and validated in-house. This method was then used to analyse 49 apple juice samples collected from two small apple presses. Patulin was detected in 32 samples and the contamination level was above the 50 µg/l legal limit for 18 samples. The incidence and contamination levels of patulin detected in our study were higher than in previous ones. The high patulin concentrations observed might be linked to the fact that clients of the presses were individual growers. It highlights the need for an efficient quality management system for reducing the patulin risk in the apple-processing sector. This work also points to the importance and necessity of campaigns aiming to raise public awareness of the patulin problem, among both transformers and home growers, in order to limit population exposure to patulin.
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Affiliation(s)
- N. Gillard
- CER Groupe, Division Hormonologie, rue du point du jour, 8-6900 Marloie, Belgium
| | - R. Agneessens
- Walloon Agricultural Research Center, rue de Serpont, 100-6800 Libramont, Belgium
| | - M. Dubois
- CER Groupe, Division Hormonologie, rue du point du jour, 8-6900 Marloie, Belgium
| | - Ph. Delahaut
- CER Groupe, Division Hormonologie, rue du point du jour, 8-6900 Marloie, Belgium
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Saxena N, Dwivedi PD, Ansari KM, Das M. Patulin in apple juices: Incidence and likely intake in an Indian population. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2008; 1:140-6. [DOI: 10.1080/02652030802378848] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Paster N, Barkai-Golan R. Mouldy fruits and vegetables as a source of mycotoxins: part 2. WORLD MYCOTOXIN J 2008. [DOI: 10.3920/wmj2008.x044] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Although chemical control is still the main way to reduce the preharvest and postharvest incidence of mycotoxigenic fungi, the worldwide tendency to reduce chemical use, and the emergence of resistant strains, have accelerated the search for non-chemical strategies. Those applied at the postharvest stage include heat treatments, biological control, and modified-or controlled-atmosphere storage. It is now evident that combinations of treatments are more efficient than individual treatments applied alone. Most of the studies on mycotoxins in fruits are focused on patulin (produced mainly by Penicillium expansum) in apple products, and ochratoxin A (produced mainly by Aspergillus carbonarius) in grapes and in wines. Patulin levels can be significantly reduced by washing and sorting apples, and trimming away rotten tissues. Other treatments for patulin reduction have been associated with its ability to react readily with compounds containing sulphydryl groups. Other additives that reduce patulin levels are ascorbic acid and B-complex vitamins. The rate of ochratoxin A reduction during fermentation depends, among others, on the yeast used for fermentation and the type of wine produced. During vinification, ochratoxin A is also reduced by binding to the solid residues of grapes. Alternaria mycotoxins may be produced naturally in a variety of fruits and vegetables and their processed products. At least two of these mycotoxins, alternariol and alternariol monomethyl, were shown to be stable in heated apple juice. In some apple cultivars, Alternaria occurs in the core and the damage is hidden. Contamination with mycotoxins is recognized as an unavoidable risk, but three major components are involved in the attempt to minimize the risk: Good Agricultural Practices, Good Manufacturing Practices, and Hazard Analysis Critical Control Points. In many countries, regulatory measures have been taken to limit the presence of mycotoxins in fruits and vegetables. Several factors may influence the establishment of national and regional mycotoxin limits and regulations.
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Affiliation(s)
- N. Paster
- Department of Food Science, the Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
| | - R. Barkai-Golan
- Department of Postharvest Science of Fresh Produce, the Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
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Var I, Kabak B, Erginkaya Z. Reduction in ochratoxin A levels in white wine, following treatment with activated carbon and sodium bentonite. Food Control 2008. [DOI: 10.1016/j.foodcont.2007.06.013] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Morales H, Marín S, Centelles X, Ramos AJ, Sanchis V. Cold and ambient deck storage prior to processing as a critical control point for patulin accumulation. Int J Food Microbiol 2007; 116:260-5. [PMID: 17341435 DOI: 10.1016/j.ijfoodmicro.2007.01.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2006] [Revised: 12/12/2006] [Accepted: 01/16/2007] [Indexed: 11/16/2022]
Abstract
Patulin, a mycotoxin produced primarily by Penicillium expansum, is currently of great concern because of its undesirable effects in human health. It has been proven that patulin can damage organs and tissues in animals and some studies revealed carcinogenic and teratogenic effects. Patulin is found mainly in low quality apples diverted to production of apple by-products. Apples from cold storage or recently harvested (usually ground harvested or low quality apples) are stored under ambient conditions (deck storage) until they are processed. The present assay studies the consequences of this type of storage in development of lesions and patulin accumulation. The assayed factors were the size of lesions when apples were taken out from cold storage, time the apples stayed at room temperature after cold storage (as a simulation of deck storage) and intraspecific differences between 2 isolates of P. expansum. A sublot of P. expansum inoculated apples was cold stored until lesions achieved concrete sizes. Then, apples were either transferred to a 20 degrees C storage room for 0 to 5 days or were analysed for patulin immediately. The rest of the apples were directly stored at 20 degrees C. Each treatment had three replicates. Increase of lesion size with time at 20 degrees C depended on initial lesion size after cold storage. Bigger lesions were always achieved in apples with bigger initial lesion size. Initial lesion size and time at 20 degrees C significantly influenced patulin accumulation. No significant amounts of patulin were found in apples with lesions up to 2 cm after cold storage. Patulin amounts significantly increased on the 2nd day at 20 degrees C day and remained constant until the 5th day. Patulin accumulation tended to be higher when initial lesions were bigger. The assay showed the influence of apple quality (measured as overall lesion size) after cold storage on patulin accumulation during deck storage, as well as the importance of duration of deck storage. Quality of apples entering the processing plant should be assessed in order to program deck storage and minimise patulin accumulation. Predictive models of patulin accumulation as a function of time at room temperature and apple quality should be a useful tool to elaborators.
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Affiliation(s)
- Héctor Morales
- Food Technology Department, University of Lleida, CeRTA-UTPV, Rovira Roure 191, Lleida, Spain
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Drusch S, Kopka S, Kaeding J. Stability of patulin in a juice-like aqueous model system in the presence of ascorbic acid. Food Chem 2007. [DOI: 10.1016/j.foodchem.2005.09.043] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kabak B, Dobson ADW, Var I. Strategies to Prevent Mycotoxin Contamination of Food and Animal Feed: A Review. Crit Rev Food Sci Nutr 2006; 46:593-619. [PMID: 17092826 DOI: 10.1080/10408390500436185] [Citation(s) in RCA: 448] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Mycotoxins are fungal secondary metabolites that have been associated with severe toxic effects to vertebrates produced by many important phytopathogenic and food spoilage fungi including Aspergillus, Penicillium, Fusarium, and Alternaria species. The contamination of foods and animal feeds with mycotoxins is a worldwide problem. We reviewed various control strategies to prevent the growth of mycotoxigenic fungi as well as to inhibit mycotoxin biosynthesis including pre-harvest (resistance varieties, field management and the use of biological and chemical agents), harvest management, and post-harvest (improving of drying and storage conditions, the use of natural and chemical agents, and irradiation) applications. While much work in this area has been performed on the most economically important mycotoxins, aflatoxin B(1) and ochratoxin A much less information is available on other mycotoxins such as trichothecenes, fumonisin B(1), zearalenone, citrinin, and patulin. In addition, physical, chemical, and biological detoxification methods used to prevent exposure to the toxic and carcinogenic effect of mycotoxins are discussed. Finally, dietary strategies, which are one of the most recent approaches to counteract the mycotoxin problem with special emphasis on in vivo and in vitro efficacy of several of binding agents (activated carbons, hydrated sodium calcium aluminosilicate, bentonite, zeolites, and lactic acid bacteria) have also been reviewed.
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Affiliation(s)
- Bulent Kabak
- Department of Food Engineering, Agricultural Faculty, University of Cukurova, TR-01330, Adana, Turkey.
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Wiles MC, Huebner HJ, McDonald TJ, Donnelly KC, Phillips TD. Matrix-immobilized organoclay for the sorption of polycyclic aromatic hydrocarbons and pentachlorophenol from groundwater. CHEMOSPHERE 2005; 59:1455-64. [PMID: 15876388 DOI: 10.1016/j.chemosphere.2004.12.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2004] [Revised: 10/08/2004] [Accepted: 12/15/2004] [Indexed: 05/02/2023]
Abstract
Sorbent materials consisting of organoclay immobilized onto the surface of a solid support were evaluated for use in pentachlorophenol (PCP) and polycyclic aromatic hydrocarbon (PAH) remediation of groundwater at a creosote-contaminated Superfund site. Cetylpyridinium-exchanged low pH montmorillonite clay (CP-LPHM) was bonded to either sand (CP-LPHM/sand) or granular activated carbon (GAC) (CP-LPHM/GAC) using the free acid form of carboxymethylcellulose as an adhesive. Effluent from an oil-water separator was eluted through equal bed volumes of composite (4 g 3:2 CP-LPHM/GAC or 13 g CP-LPHM/sand), affinity-extracted, and quantitatively analyzed by GC/MS. PCP, naphthalene, fluorene, phenanthrene, pyrene, and total PAHs were initially reduced by both CP-LPHM/GAC (> or =99%, 61%, 99%, > or =99%, 97%, and 94%, respectively) and CP-LPHM/sand (90%, 70%, 94%, 95%, 93%, and 86%, respectively). Complete breakthrough of naphthalene occurred after approximately 15 h of elution through 3:2 CP-LPHM/GAC and 22 h through CP-LPHM/sand. PCP showed complete breakthrough following 18 h of elution through 3:2 CP-LPHM/GAC and 26 h through CP-LPHM/sand. However, 50% breakthrough was not attained for higher molecular weight PAHs, as fluoranthene, pyrene, benzo[a]anthracene, and chrysene continued to be greatly reduced with both 3:2 CP-LPHM/GAC (98%, 95%, 94%, and 95%, respectively) and CP-LPHM/sand (75%, 73%, 76%, and 78%, respectively) after 48 h of continuous elution. Results confirm prior studies, indicating that these organoclay-containing composites have a high capacity for contaminants found in wood preserving waste. Further, results suggest that the inclusion of CP-LPHM may be useful as part of an effective strategy for groundwater remediation of high concentrations of PCP and PAHs, in particular high molecular weight and carcinogenic PAHs.
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Affiliation(s)
- Melinda C Wiles
- Intercollegiate Faculty of Toxicology, Department of Veterinary Anatomy and Public Health, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843-4458, USA
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Afriyie-Gyawu E, Wiles MC, Huebner HJ, Richardson MB, Fickey C, Phillips TD. Prevention of zearalenone-induced hyperestrogenism in prepubertal mice. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2005; 68:353-368. [PMID: 15799627 DOI: 10.1080/15287390590900822] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Previous methods for the control of zearalenone (ZEN)-induced hyperestrogenism in animals have proven largely ineffective. The main objective in this study was to identify an enterosorbent that decreases the dietary bioavailability, and subsequent estrogenic effects, of ZEN. Initial in vitro screenings in aqueous solution (4 microg ZEN/ml) indicated that an activated carbon (AC) was the most efficient sorbent (99%), followed by a combination of 2 parts AC plus 3 parts HEC (hectorite) (69%), cetylpyridinium-exchanged low-pH montmorillonite (CP-LPHM) clay (58%), hexadecyltrimethylammonium-exchanged low-pH montmorillonite (HDTMA-LPHM) clay (54%), and HEC alone (28%). Results from the adult hydra bioassay suggested that the addition of either AC or HEC effectively decreased the effects of ZEN on Hydra attenuata without toxicity, as was observed with the use of either CP-LPHM or HDTMA-LPHM. Based on these results, AC, HEC, and 2AC:3HEC were evaluated in prepubertal mice. At a dietary inclusion level of 0.8% (w/w), AC alone significantly protected mice against the estrogenic effects induced by 35 mg ZEN/kg feed. Inclusion of 1.2% HEC with the 0.8% AC showed no additional protection; whereas 1.2% HEC alone failed to decrease the estrogenic effects. Ground flaxseed (25% w/w) in the diet also elicited protection, but to a lesser extent. Preliminary studies suggested that three similar carbons failed to decrease ZEN bioavailability. These findings suggest that the AC used in this study may be efficacious as an enterosorbent in animals consuming ZEN-contaminated diets. However, further studies are needed to evaluate the binding specificity, as well as the safety of chronic exposure.
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Affiliation(s)
- Evans Afriyie-Gyawu
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, Texas 77843-4458, USA
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23
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Moake MM, Padilla-Zakour OI, Worobo RW. Comprehensive Review of Patulin Control Methods in Foods. Compr Rev Food Sci Food Saf 2005; 4:8-21. [DOI: 10.1111/j.1541-4337.2005.tb00068.x] [Citation(s) in RCA: 292] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Drusch S, Aumann J. Mycotoxins in Fruits: Microbiology, Occurrence, and Changes during Fruit Processing. ADVANCES IN FOOD AND NUTRITION RESEARCH 2005; 50:33-78. [PMID: 16263427 DOI: 10.1016/s1043-4526(05)50002-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- S Drusch
- Institute for Human Nutrition and Food Science, University of Kiel, Kiel, Germany
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Ake CL, Wiles MC, Huebner HJ, McDonald TJ, Cosgriff D, Richardson MB, Donnelly KC, Phillips TD. Porous organoclay composite for the sorption of polycyclic aromatic hydrocarbons and pentachlorophenol from groundwater. CHEMOSPHERE 2003; 51:835-844. [PMID: 12697173 DOI: 10.1016/s0045-6535(03)00040-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Complex mixtures of hazardous chemicals such as polycyclic aromatic hydrocarbons (PAHs) in contaminated soil and groundwater can have severe and long-lasting effects on health. The evidence that these contaminants can cause adverse health effects in animals and humans is rapidly expanding. The frequent and wide-spread occurrence of PAHs in groundwater makes appropriate intervention strategies for their remediation highly desirable. The core objective of this research was to assess the ability of a clay-based composite to sorb and remove toxic contaminants from groundwater at a wood-preserving chemical waste site. Treatment efficiencies were evaluated using either effluent from an oil-water separator (OWS) or a bioreactor (B2). The effluent water from these units was passed through fixed bed columns containing either an organoclay composite or granular activated carbon. The sorbent columns were placed in-line using existing sampling ports at the effluent of the OWS or B2. Individual one-liter samples of treated and untreated effluent were collected in Kimax bottles over the course of 78 h (total of 50 samples). Subsequently each sample was extracted by solid phase extraction methodology, and pentachlorophenol (PCP) and PAH concentrations were quantitated via GC/MS. Columns containing porous organoclay composite, i.e. sand-immobilized cetylpyridinium-exchanged low-pH montmorillonite clay (CP/LPHM), were shown to reduce the contaminant load from the OWS effluent stream by 97%. The concentrations of benzo[a]pyrene (BaP) and PCP were considerably reduced (i.e. >99%). An effluent stream from the bioreactor was also filtered through columns packed with composite or an equivalent amount of GAC. Although the composite reduced the majority of contaminants (including BaP and PCP), it was less effective in diminishing the levels of lower ring versus higher ring PAHs. Conversely, GAC was more effective in removing the lower ring PAHs, except for naphthalene and PCP. The effectiveness of sorption of PCP from the OWS effluent by the composite was confirmed using a PCP-sensitive adult hydra bioassay previously described in our laboratory. The findings of this initial study have delineated differences between CP/LPHM and GAC for groundwater remediation, and suggest that GAC (instead of sand) as the solid support for organoclay may be more effective for the treatment of contaminated groundwater under field conditions than GAC or CP/LPHM alone. Further work is ongoing to confirm this conclusion.
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Affiliation(s)
- C L Ake
- Intercollegiate Faculty of Toxicology, Department of Veterinary Anatomy and Public Health, College of Veterinary Medicine, Texas A&M University, College Station 77843-4458, USA
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26
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Jackson LS, Beacham-Bowden T, Keller SE, Adhikari C, Taylor KT, Chirtel SJ, Merker RI. Apple quality, storage, and washing treatments affect patulin levels in apple cider. J Food Prot 2003; 66:618-24. [PMID: 12696685 DOI: 10.4315/0362-028x-66.4.618] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Patulin is a mycotoxin produced primarily by Penicillium expansum, a mold responsible for rot in apples and other fruits. The growth of this fungus and the production of patulin are common in fruit that has been damaged. However, patulin can be detected in visibly sound fruit. The purpose of this project was to determine how apple quality, storage, and washing treatments affect patulin levels in apple cider. Patulin was not detected in cider pressed from fresh tree-picked apples (seven cultivars) but was found at levels of 40.2 to 374 microg/liter in cider pressed from four cultivars of fresh ground-harvested (dropped) apples. Patulin was not detected in cider pressed from culled tree-picked apples stored for 4 to 6 weeks at 0 to 2 degrees C but was found at levels of 0.97 to 64.0 microg/liter in cider pressed from unculled fruit stored under the same conditions. Cider from controlled-atmosphere-stored apples that were culled before pressing contained 0 to 15.1 microg of patulin per liter, while cider made from unculled fruit contained 59.9 to 120.5 microg of patulin per liter. The washing of ground-harvested apples before pressing reduced patulin levels in cider by 10 to 100%, depending on the initial patulin levels and the type of wash solution used. These results indicate that patulin is a good indicator of the quality of the apples used to manufacture cider. The avoidance of ground-harvested apples and the careful culling of apples before pressing are good methods for reducing patulin levels in cider.
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Affiliation(s)
- Lauren S Jackson
- National Center for Food Safety and Technology, Food and Drug Administration, 6502 South Archer Road, Summit-Argo, Illinois 60501, USA.
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Leggott NL, Shephard GS, Stockenström S, Staal E, van Schatkwyk DJ. The reduction of patulin in apple juice by three different types of activated carbon. FOOD ADDITIVES AND CONTAMINANTS 2001; 18:825-9. [PMID: 11552749 DOI: 10.1080/02652030119237] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Three types of activated carbon (NORIT SA 4, NORIT SX 4 and NORIT CA 1) were investigated for their ability to reduce patulin levels in apple juice at various Brix levels and temperatures. The steam-activated carbons (NORIT SA 4 and NORIT SX 4) exhibited similar adsorption isotherms at a dosage level of 1 g/l. They achieved patulin reductions of 80% and 70% respectively in 12(o) Brix juice at 55 degrees C. The similarity in performance between the steam-activated carbons implies that the purity and the surface acidity does not influence the adsorption of patulin. Chemically-activated carbon (NORIT CA 1) was less effective in removing patulin and achieved only a 45% reduction at a dose of 1 g/l. Patulin removal was influenced by juice Brix in that higher carbon doses were required at higher Brix levels for equivalent removal efficiency. At a dose of 1 g/l, NORIT SA 4 removed only 45% patulin from a 20(o) Brix juice. The removal of patulin from either 12 or 20(o) Brix juice by NORIT SA 4 at 1 g/l was not influenced by temperature changes in the range 30 to 65 degrees C.
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Affiliation(s)
- N L Leggott
- Programme on Mycotoxins and Experimental Carcinogenesis, Medical Research Council, Tygerberg, South Africa
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