M Friedman

..perfringens spore germination and outgrowth during abusive cooling from 54.4 to 7.2 degrees C in 12, 15, 18, or 21 h of cooling for ground beef, chicken, and pork...

..Possible approaches to prevent the formation of deleterious food ingredients are also addressed...

..An enhanced understanding of the multiple and overlapping aspects of glycoalkaloids in the plant and in the diet will benefit producers and consumers of potatoes...

..The findings extend related observations on the anticarcinogenic potential of tea ingredients and suggest that consumers may benefit more by drinking both green and black teas...

..5%) at the most abusive chilling rate evaluated (21 h). These findings establish the value of the plant-derived antimicrobials for inhibiting C. perfringens in commercial ground turkey products...

..A better understanding of these multifaceted ninhydrin reactions provide a scientific basis for further improvements of this important analytical technique...

..A better understanding of the chemistry and biology of pure acrylamide in general and its impact in a food matrix in particular can lead to the development of improved food processes to decrease the acrylamide content of the diet...

..cereus (vegetative) >> S. aureus approximately E. coli >> B. cereus (spores). Some of the test substances may be effective against antibiotic-resistant bacteria in foods and feeds...

..The decreases in cell populations were also observed visually by reversed-phase microscopy. The results complement related observations on the anticarcinogenic potential of food ingredients...

..Such studies should lead to safer foods...

..These studies extend our knowledge about the antimicrobial effects of food ingredients...

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..These results demonstrate the utility of the described extraction and analytical methods used to determine the wide-ranging individual and total piperamide contents of widely consumed peppers...

..Further research is suggested for each of these categories. The herein described findings are not only of fundamental interest, but also have practical implications for nutrition, food safety, and animal and human health...

..These observations suggest that antimicrobial wine formulations have the potential to improve the microbiological safety of foods...

..enterica at pH 7.0 as it was at pH 3.7, suggesting that the ionization of its OH groups may enhance bactericidal activity...

..The possible significance of the results to plant and food sciences is discussed...

..Generally, the biological effects of solanidine differ from those of the parent potato glycoalkaloids. Possible mechanisms of these effects and the implication of the results for food safety and plant physiology are discussed...

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..The results are rationalized in terms of relative resonance stabilization of phenoxide ions and quinone oxidation intermediates. The possible significance of these findings to food chemistry and microbiology is discussed...

..They are also consistent with the reported low oral toxicity of tomatine compared to other glycoalkaloids...

..The protection may due to an antioxidative action of eugenol. The possible mechanism of this effect and the significance of these findings for food chemistry and microbiology are discussed...

..It is intended to serve as a resource and guide for further progress based on the reported application of pyridylethylation reactions to more than 150 proteins...

..Such an understanding can lead to the creation of improved tomatoes and to improved practices on the farm and in the consumption of tomatoes...

..Dose-response and chemopreventive mechanisms for tomatine protection remain to be examined. This is the first report on the anticarcinogenic effects of tomatine in vivo...

..034 to 0.21) were thymol, cinnamaldehyde, carvacrol, eugenol, salicylaldehyde, geraniol, isoeugenol, terpineol, perillaldehyde, and estragole. The possible significance of these results with regard to food microbiology is discussed...

..These findings and the apparent effects of structure on biological activity should serve as a guide for the removal of the most toxic ++compounds from plant foods. The implications of the results for food safety and health are discussed...

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..The results of the present study show that apple skin polyphenols can be used to prepare apple-based antimicrobial edible films with good physical properties for food applications by direct contact...

..The results show that apple-based films with allspice, cinnamon, or clove bud oils were active against 3 foodborne pathogens by both direct contact with the bacteria and indirectly by vapors emanating from the films...

..The cited observations facilitate relating compositional and physicochemical properties of apple puree films containing volatile plant antimicrobials to their use in foods...

..This 1st report on tomato-based edible antimicrobial tomato films suggests that these films have the potential to prevent adverse effects of contaminated food and promote human health associated with the consumption of tomatoes...

..The results suggest that pasteurization of apple juice used to inactivate E. coli O157:H7 has no effect on Stx2, and that food-compatible and safe antitoxin compounds can be used to inhibit the biological activity of the Shiga toxin...

..Such an understanding can lead to improvement in food quality and safety, nutrition, microbiology, and human health...

..Also covered are the origin and distribution of DAAs in food and possible roles of DAAs in human physiology, aging, and the etiology and therapy of human diseases...

..5 to 1.0%. The observed thermal death times may facilitate the design of acceptance limits at critical control points for ground beef at lower times and temperatures of heating...

..We are very hopeful that the described findings will be a valuable record and resource for further progress to improve microbial food safety and food quality...

..Thermal death times from this study will assist the retail food industry to design cooking regimes that ensure the safety of beef contaminated with E. coli O157:H7...

..Possible mechanisms of degradations of catechins during storage and the possible significance of the results to consumers of tea are discussed...

..These findings indicate that lactate and oregano oil may be used to render Salmonella spp. more susceptible to the lethal effect of heat and to inhibit growth of Salmonella spp. that survive heat treatments...

..Possible mechanisms of the anticarcinogenic and other beneficial effects and the significance of the cited observations for breeding improved tomatoes and for the human diet are discussed...

..The significance of the results for microbial food safety and human health is discussed...

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..These studies provide information about new ways to protect apple juice and other foods against human pathogens...

..The possible significance of the results for the human diet is discussed...

..Incorporation of lower levels of these test compounds with other antimicrobials used in meat product formulations may reduce the potential risk of C. perfringens germination and outgrowth during abusive cooling regimes...

..Related studies by other investigators are also mentioned. Accurate analytical methods for these food ingredients help assure the consumer of eating a good-quality and safe diet...

..The cited findings and new research to better define the chemistry and dietary and antimicrobial roles of lysinoalanine and related compounds should lead to better and safer foods...

..The time course for SGT mRNA accumulation paralleled that of 3-hydroxy-3-methylglutaryl-coenzymeA isoform 1 (hmg1) mRNA. Steady-state SGT mRNA levels also increased transiently upon wounding of leaves...

..The results show that carvacrol concurrently reduced E. coli O157:H7 and amines in a widely consumed meat product. Possible mechanisms of the beneficial effects and dietary significance of the results are discussed...

..These results indicate that the Vero-d2EGFP fluorescence assay is an accurate and sensitive method to detect Stx2 activity and can be utilized to identify toxin inhibitors...

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..Because alpha-chaconine, alpha-solanine, and alpha-tomatine also inhibited normal human liver HeLa (Chang) cells, safety considerations should guide the use of these compounds as preventative or therapeutic treatments against carcinomas...

..These results show that plant-derived essential oils can be used to prepare apple-based antimicrobial edible films for various food applications...

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..The information should be useful for evaluating tomatoes and vegetative tissues for dehydrotomatine/alpha-tomatine content during fruit development and their respective roles in host-plant resistance and the diet...

..These findings may facilitate development and use of new health-promoting rice varieties...

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..This particular rice variety merits further evaluation as part of a human diet to ascertain its potential to protect against allergic diseases such as hay fever and asthma...

..Home processing of pulp with various forms of heat induced reductions in the phenolic content. The described methodology should facilitate future studies on the role of potato phenolic compounds in the plant and the diet...

..jejuni strains, at concentrations of approximately 0.1% and higher. The antimicrobial efficacy of cinnamaldehyde was greater than that of carvacrol. The possible significance of the results for microbiological food safety is discussed...

..The results on the hydrogen-bonding effects, described here for the first time, may contribute to a better understanding of proposed multiple molecular mechanisms of the action of catechins in microorganisms, cancer cells, and tissues...

..No difference in compound activity was observed between the three M. avium subsp. paratuberculosis strains studied. Possible mechanisms of the antimicrobial effects are discussed...

..Exposure to fluorescent light for 24 and 48 h induced time-dependent increases in the flavonoid content. The results extend the knowledge about the distribution of flavonoids in fresh and processed onions...

..37 to 0.42 for isochavicine. The results establish the utility of the HPLC method for simultaneous analysis of the four isomers both in pure form and in black pepper extracts. The dietary significance of the results is discussed...

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