Adapted Bailenger method improves the rate of Ascaris suum eggs recovery from liquid pig manure compost

ABSTRACT: Liquid pig manure (LPM) is widely used as a compost fertilizer for vegetable crops destined for human consumption. However, these wastes may contain parasites eggs, such as the nematode Ascaris suum, that pose serious health risks to humans. We attempted to determine the most appropriate technique for recovering A. suum eggs from LPM compost. Samples were collected from two waste sources during composting, including 23 samples containing LPM, sawdust, and wood shavings, and 14 samples of LPM alone-both in triplicate. Samples were analyzed using several different recovery methods. Recovery of eggs by the modified Bailenger method with adaptations was significantly more effective and recovered 57% more eggs than by the modified Bailenger method alone. Willis-Mollay method, modified Faust method, and the simple sedimentation technique only recovered 4.4%, 13.9%, and 26% of eggs, respectively, compared with the modified Bailenger method with adaptations, indicating that the adjustments made to the Bailenger method were key to improving the recovery of A. suum eggs from compost and LPM.

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Impact of Bacillus in fermented soybean foods on human health

Annals of Microbiology ◽

10.1186/s13213-021-01641-9 ◽

2021 ◽

Vol 71 (1) ◽

Author(s):

Trishala Gopikrishna ◽

Harini Keerthana Suresh Kumar ◽

Kumar Perumal ◽

Elavarashi Elangovan

Keyword(s):

Human Health ◽

Bioactive Compounds ◽

Health Risks ◽

Health Benefits ◽

Human Consumption ◽

Potential Health ◽

Fermented Soybean ◽

Food Pathogens ◽

Depth Analysis ◽

Fermented Soybean Foods

Abstract Purpose Fermented soybean foods (FSF) is popularly consumed in the South-East Asian countries. Bacillus species, a predominant microorganism present in these foods, have demonstrated beneficial and deleterious impacts on human health. These microorganisms produce bioactive compounds during fermentation that have beneficial impacts in improving human health. However, the health risks associated with FSF, food pathogens, biogenic amines (BAs) production, and late-onset anaphylaxis, remain a concern. The purpose of this review is to present an in-depth analysis of positive and negative impacts as a result of consumption of FSF along with the measures to alleviate health risks for human consumption. Methods This review was composed by scrutinizing contemporary literature of peer-reviewed publications related to Bacillus and FSF. Based on the results from academic journals, this review paper was categorized into FSF, role of Bacillus species in these foods, process of fermentation, beneficial, and adverse influence of these foods along with methods to improve food safety. Special emphasis was given to the potential benefits of bioactive compounds released during fermentation of soybean by Bacillus species. Results The nutritional and functional properties of FSF are well-appreciated, due to the release of peptides and mucilage, which have shown health benefits: in managing cardiac disease, gastric disease, cancer, allergies, hepatic disease, obesity, immune disorders, and especially microbial infections due to the presence of probiotic property, which is a potential alternative to antibiotics. Efficient interventions were established to mitigate pitfalls like the techniques to reduce BAs and food pathogens and by using a defined starter culture to improve the safety and quality of these foods. Conclusion Despite some of the detrimental effects produced by these foods, potential health benefits have been observed. Therefore, soybean foods fermented by Bacillus can be a promising food by integrating effective measures for maintaining safety and quality for human consumption. Further, in vivo analysis on the activity and dietary interventions of bioactive compounds among animal models and human volunteers are yet to be achieved which is essential to commercialize them for safe consumption by humans, especially immunocompromised patients.

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Public health risks involved in the human consumption of reptile meat - Scientific Opinion of the Panel on Biological Hazards

EFSA Journal ◽

10.2903/j.efsa.2007.578 ◽

2007 ◽

Vol 5 (11) ◽

pp. 578 ◽

Cited By ~ 1

Author(s):

Keyword(s):

Public Health ◽

Health Risks ◽

Human Consumption ◽

Public Health Risks ◽

Scientific Opinion

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First record of Stephanostomum sp. Looss, 1899 (Digenea: Acanthocolpidae) metacercariae parasitising the pleasure oyster Crassostrea corteziensis (Hertlein) from the Mexican Pacific coast

Helminthologia ◽

10.2478/helm-2019-0019 ◽

2019 ◽

Vol 56 (3) ◽

pp. 211-218

Author(s):

M. I. Grano-Maldonado ◽

F. Rubalcava-Ramirez ◽

A. Rodriguez-Santiago ◽

F. Garcia-Vargas ◽

A. Medina-Jasso ◽

...

Keyword(s):

Health Risks ◽

Host Preference ◽

Pacific Coast ◽

First Record ◽

Distribution Area ◽

Human Consumption ◽

Mantle Tissue ◽

Mexican Pacific ◽

The Family ◽

Crassostrea Corteziensis

SummaryThe aim of this investigation was to identify the parasites present in the largely understudied pleasure oyster Crassostrea corteziensis in Sinaloa state in the northwestern Mexican Pacific coast. Inspection of twenty-eight oysters collected on “Ceuta” lagoon revealed the presence of the digenean Stephanostomum sp. (Digenea: Acanthocolpidae) cysts. Metacercariae were found encapsulated and embedded in the digestive gland and mantle tissue of oysters. The prevalence of infection revealed that 84.6 % were infected, the abundance was 13.62, with a mean intensity of 16.09 per host. The members of this genus are characterized by a double crown of spines in the cephalic region surrounding the buccal opening of the worm. Significantly, we report the first incidence of the digenean Stephanostomum sp of the family Acanthocolpidae parasitizing Crassostrea corteziensis. Further we report that this bivalve is now considered a new intermediate host, and the northwestern Mexican Pacific coast is a new geographical distribution area for this digenean. The findings contribute to our understanding of the biology, biodiversity and host preference of these parasites, with implications for health risks posed by human consumption of the pleasure oyster.

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Quantification of Pesticide Residues in Retail Samples of Cowpea - Vigna unguiculata (L.) Walp

Asian Journal of Soil Science and Plant Nutrition ◽

10.9734/ajsspn/2021/v7i130105 ◽

2021 ◽

pp. 35-44

Author(s):

C. S. Okoye ◽

C. E. Oguh ◽

O. J. Umezinwa ◽

C. C. Uzoefuna ◽

B. C. Nwanguma ◽

...

Keyword(s):

Vigna Unguiculata ◽

Health Risks ◽

Pesticide Residues ◽

Human Consumption ◽

Potential Health ◽

Dimethyl Phosphate ◽

Agricultural Use ◽

Enugu State ◽

Cropping Seasons ◽

City State

Quantification of pesticide residues in retail samples of food is one way to determine the level of human exposure to these chemicals and hence their potential health hazards. The study was aimed at quantifying the level of some known pesticides in retail samples of Vigna unguiculata (L.) Walp. (Cowpea) from two cropping seasons. Five cultivars of cowpea from two different harvest seasons (2016/2017 and 2017/2018) were purchased from Ogige Market, Nsukka, Enugu State, Nigeria. The cowpeas were identified based on city/state where they were cultivated. Two foreign samples were also purchased from London, UK. The pesticide residues were determined using gas chromatography coupled with electron capturing detector (GC-ECD). The results showed that the retail samples of cowpea contained residues of one or more organochlorines and organophosphates. The levels of post-harvest pesticides, 2, 2-dichlorovinyl dimethyl phosphate (DDVP) in 2016/17 season (0.02 μg/g) exceeded the international permissible standards (0.01 μg/g). The levels of the pre-harvest pesticides, glyphosate was low in both seasons (0.01 μg/g) when compared to the international permissible standards (0.1 μg/g). The DDVP was not detected in the two foreign samples. HCB (Hexachlorobenzene), α-HCH (alpha-Hexachlorocyclohexane), Chlorpyrifos, g-chlordane, t-nonachlor, p-p’-DDT (Dichlorodiphenyltrichloroethane), p-p’-DDE (Dichlorodiphenyldichlo-rowthylene), and p-p’-DDD (Dichlorodiphenyldichloroethane) were detected in the cowpea from two cropping seasons despite being banned from agricultural use. This could be due to the additional application of pesticides during storage of the cowpeas. The findings concludes that the levels of some of the residues exceeded the safety limits while some were below the safety limits, suggesting that some of samples of the cowpea were not safe for human consumption as bioaccumulation, persistence, and toxicity of these residues was likely to pose serious health risks to the consumers. Generally, cowpea from the 2016/17 season contained higher pesticide residues than those from the 2017/18 season.

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Effects of pig manure compost and nonionic-surfactant Tween 80 on phenanthrene and pyrene removal from soil vegetated with Agropyron elongatum

Chemosphere ◽

10.1016/j.chemosphere.2008.06.005 ◽

2008 ◽

Vol 73 (5) ◽

pp. 791-797 ◽

Cited By ~ 59

Author(s):

K.Y. Cheng ◽

K.M. Lai ◽

J.W.C. Wong

Keyword(s):

Nonionic Surfactant ◽

Tween 80 ◽

Pig Manure ◽

Agropyron Elongatum ◽

Manure Compost

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A Simple and Efficient Method for the Partial Synthesis of Pure (3R,3’S)-Astaxanthin from (3R,3’R,6’R)-Lutein and Lutein Esters via (3R,3’S)-Zeaxanthin and Theoretical Study of Their Formation Mechanisms

Molecules ◽

10.3390/molecules24071386 ◽

2019 ◽

Vol 24 (7) ◽

pp. 1386 ◽

Cited By ~ 2

Author(s):

Eloy Rodríguez-deLeón ◽

J. Jiménez-Halla ◽

José Báez ◽

M. Bah

Keyword(s):

Health Risks ◽

Density Functional ◽

Human Consumption ◽

Formation Mechanisms ◽

Chemical Transformations ◽

Partial Synthesis ◽

One Pot ◽

Commercial Source ◽

The One ◽

First Time

Carotenoids are natural compounds that have important roles in promoting and maintaining human health. Synthetic astaxanthin is a highly requested product by the aquaculture industry, but natural astaxanthin is not. Various strategies have been developed to synthesize this carotenoid. Nonetheless, these approaches have not only provided limited global yields, but its main commercial source also carries several health risks for humans. In this contribution, the one-pot base-catalyzed reaction of (3R,3’R,6’R)-lutein (1) esters has resulted in a successful isomerization process to easily obtain up to 95% meso-zeaxanthin (2), which in turn is oxidized to (3R,3’S)-astaxanthin (3) with a global yield of 68%. The same oxidation performed with UV irradiation (365 nm) for 5 min provided the highest global yield (76%). These chemical transformations have also been achieved with a significant reduction of the health risks associated with its potential human consumption. Furthermore, this is the first time only one of the configurational isomers has been obtained semisynthetically. The poorly understood formation mechanisms of these two compounds were also investigated using Density-Functional Theory (DFT) calculations. These theoretical studies revealed that the isomerization involves a base-catalyzed deprotonation at C-6’, followed by C-4’ protonation, while the oxidation occurs via free radical mechanisms.

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Accumulation and mobility of zinc in soil amended with different levels of pig-manure compost

Journal of Environmental Science and Health Part B ◽

10.1080/03601231003704580 ◽

2010 ◽

Vol 45 (4) ◽

pp. 285-292 ◽

Cited By ~ 10

Author(s):

Kei Asada ◽

Koki Toyota ◽

Taku Nishimura ◽

Jun-Ichi Ikeda ◽

Kaneaki Hori

Keyword(s):

Pig Manure ◽

Manure Compost ◽

Different Levels

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Desalinated Water for Human Consumption and Public Health Risks in West Algeria: The Case of Souk Tleta Water Plant

Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions - Advances in Science, Technology & Innovation ◽

10.1007/978-3-319-70548-4_242 ◽

2018 ◽

pp. 825-826

Author(s):

Naïma Badid ◽

Chahrazed Aggab ◽

Aboubaker Hachemaoui ◽

Fatiha Hadji

Keyword(s):

Public Health ◽

Health Risks ◽

Human Consumption ◽

Public Health Risks ◽

Desalinated Water ◽

Water Plant ◽

West Algeria

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Potential of a Small Molecule Carvacrol in Management of Vegetable Diseases

Molecules ◽

10.3390/molecules24101932 ◽

2019 ◽

Vol 24 (10) ◽

pp. 1932 ◽

Cited By ~ 3

Author(s):

Qingchun Liu ◽

Kang Qiao ◽

Shouan Zhang

Keyword(s):

Small Molecule ◽

Plant Pathogens ◽

The United States ◽

South Florida ◽

Human Consumption ◽

Vegetable Crops ◽

In Planta ◽

Xanthomonas Perforans ◽

Promising Tool ◽

The Usa

Carvacrol, a plant-derived volatile small molecule, is effective against various agents that can cause damage to humans, the food processing industry, and plants, and is considered a safe substance for human consumption. In this short communication, previous studies on the effectiveness of carvacrol against various agents, particularly plant pathogens and their associated mechanisms are described. In our study, carvacrol was found to be effective on media against several soilborne pathogens and in planta against three foliar pathogens (Xanthomonas perforans, Alternaria tomatophila, and Podosphaeraxanthii) of important vegetable crops in south Florida of the United States. Current research findings indicated that the effectiveness of carvacrol against various plant pathogens tested was associated with its direct bactericidal/fungicidal effect, which was affected greatly by its volatility. Development of new formulations to overcome the volatility and to prolong the effectiveness of carvacrol was also presented. Our studies on carvacrol suggested that, with advanced development of new formulations, carvacrol could be used as a promising tool in the integrated pest management for bacterial, fungal, and viral pathogens of important vegetable crops in Florida, the USA, and the world.

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