Control of Foodborne Pathogens and Spoilage Microorganisms by Naturally Occurring Antimicrobials

Beuchat, Larry R.

doi:10.1201/9781420008470.ch12

Cited by 23 publications

(24 citation statements)

References 142 publications

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“…Um dos sistemas de defesa da planta contra o desenvolvimento de agentes fi topatógenos é a síntese de substâncias fungistáticas, inclusive polifenóis. Os compostos fenólicos com atividade antimicrobiana são os taninos e o ácido tânico (Beuchat, 2001). O aumento na incidência de doenças pode ter elevado a concentração de taninos na película e nas bagas, o que aumentou sua concentração na safra 2006/2007, porém, reduziu a qualidade fi nal da uva.…”

Section: Resultsunclassified

Raleio de cachos em vinhedos de altitude e qualidade do vinho da cultivar Syrah

Silva

Rufato

Kretzschmar

et al. 2009

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o efeito de diferentes intensidades de raleio de cachos de uvas (Vitis vinifera L.), em vinhedos de altitude, sobre a evolução dos compostos fenólicos durante a maturação da uva. O experimento foi conduzido em São Joaquim, SC, a uma altitude média de 1.230 m, em videiras da cv. Syrah, enxertadas sobre 'Paulsen 1103', conduzidas em espaldeira, em duplo cordão esporonado, espaçadas em 3x1,2 m, com cobertura antigranizo. Os tratamentos de raleio foram defi nidos de modo a se ter redução da produtividade em 13,3, 26,6 e 40% em relação à produtividade do tratamento controle sem raleio, estimada em 15 Mg ha -1 . Os tratamentos foram ajustados quando 50% das bagas encontravam-se em "véraison". O delineamento foi o de blocos ao acaso, com quatro repetições e 40 plantas por tratamento. Mg ha -1 and 9 Mg ha -1 , in a complete randomized blocks. The evolution of phenolic compounds was evaluated during the eight antecedent weeks to the harvest. The cluster thinning increased the content of anthocyanin in the grapes with a yield of 12 Mg ha -1 , and improved their phenolic composition. These changes were favorable for the production of fi ne wines with excellent quality.

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Section: Resultsunclassified

Raleio de cachos em vinhedos de altitude e qualidade do vinho da cultivar Syrah

Silva

Rufato

Kretzschmar

et al. 2009

Pesq. agropec. bras.

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“…Being potent inhibitors of seed germination monoterpenes are involved in allelopathic interactions among plants and thus play an important role in structuring and patterning of plant communities (Muller, 1965;Asplund, 0939Ð5075/2006/0500Ð0334 $ 06.00 " 2006 Verlag der Zeitschrift für Naturforschung, Tübingen · http://www.znaturforsch.com · D 1968; Abrahim et al, 2000;Singh et al, 2002a, b;Weidenhamer et al, 1993;Vokou, 1999). This property of monoterpenoids coupled with their biodegradable nature and little toxicity against mammals and other non-target species makes them chemicals of immense interest and potential for agroindustry (Isman, 2000;Beuchat, 2001). Some studies have already reported their potential use for weed and pest management in sustainable agriculture (Isman, 2000;Romagni et al, 2000;Singh et al, 2002a, b).…”

Section: Introductionmentioning

confidence: 99%

Phytotoxicity of the Volatile Monoterpene Citronellal against Some Weeds

Singh

Batish

Kaur

et al. 2006

Zeitschrift Für Naturforschung C

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A study was undertaken to assess the phytotoxicity of citronellal, an oxygenated monoterpenoid with an aldehyde group, towards some weedy species [Ageratum conyzoides L., Chenopodium album L., Parthenium hysterophorus L., Malvastrum coromandelianum (L.), Garcke, Cassia occidentalis L. and Phalaris minor Retz.]. A significant effect on weed emergence and early seedling growth was observed in a dose-response based laboratory bioassay in a sand culture. Emergence of all test weeds was completely inhibited at 100 μg/g sand content of citronellal. Seeds of A. conyzoides and P. hysterophorus failed to emerge even at 50 μg/g content. Root length was inhibited more compared to shoot length. The failure of root growth was attributed to the effect of citronellal on the mitotic activity of growing root tips cells as ascertained by the onion root tip bioassay. At 2.5 mm treatment of citronellal, mitosis was completely suppressed and at higher concentrations cells showed various degrees of distortion and were even enucleated. The post-emergent application of citronellal also caused visible injury in the form of chlorosis and necrosis, leading to wilting and even death of test weeds. Among the test weeds, the effect was severe on C. album and P. hysterophorus. There was loss of chlorophyll pigment and reduction in cellular respiration upon citronellal treatment indicating the impairment of photosynthetic and respiratory metabolism. Scanning electron microscopic studies in C. occidentalis leaves upon treatment of citronellal revealed disruption of cuticular wax, clogging of stomata and shrinkage of epidermal cells at many places. There was a rapid electrolyte leakage in the leaf tissue upon exposure to citronellal during the initial few hours. In P. minor electrolyte leakage in response to 2 mm citronellal was closer to the maximum leakage that was obtained upon boiling the tissue. The rapid ion leakage is indicative of the severe effect of citronellal on the membrane structure and loss of membrane integrity. In all, the study concludes that citronellal causes a severe phytotoxicity on the weeds.

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“…The oil possesses antibacterial, antifungal, antioxidant and cytotoxic properties (Baratta et al, 1998;Dorman et al, 2000;Gayoso et al, 2005;Prashar et al, 2006;Politeo et al, 2010). Traditionaly for its medicinal properties (treatment of dental care, analgesic and antiseptic etc) (Cai and Wu, 1996), Syzygium aromaticum oil has been demonstrated to be effective in treating antifungal (Chami et al, 2005), antibacterial (Cai and Wu, 1996;Beuchat, 2000;Friedman et al, 2002;Kalemba and Kunicka, 2003), anticarcinogenic (Zheng et al, 1992), antiallergic (Kim et al, 1998), antimutagenic activity (Miyazawa and Hisama, 2001), analgesic, anesthetic, stimulating, stomach ache tonic, antiemetic, antiseptic, antispasmodic (Sellan, 2002;Lavabre, 1992).…”

Section: Introductionmentioning

confidence: 99%

Chemical and biological investigations of <em>Syzygium aromaticum</em> L. essential oil from Benin

Alitonou¹,

Tchobo²,

Avlessi³

et al. 2012

Int. J. Bio. Chem. Sci

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The essential oil obtained by hydrodistillation from seeds of Syzygium aromaticum (Myrtaceae) growing in Benin was analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC/MS). Twenty-one components, which represented 99.4% of the total constituents of the oil were identified. The essential oil is rich in hydrocarbons monoterpenic. The major constituents found were eugenol (60.4%), trans-β-caryophyllene (24.0%). The oil extract revealed an important antiradical activity and a high antimicrobial activity.

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Control of Foodborne Pathogens and Spoilage Microorganisms by Naturally Occurring Antimicrobials

Cited by 23 publications

References 142 publications

Raleio de cachos em vinhedos de altitude e qualidade do vinho da cultivar Syrah

Raleio de cachos em vinhedos de altitude e qualidade do vinho da cultivar Syrah

Phytotoxicity of the Volatile Monoterpene Citronellal against Some Weeds

Chemical and biological investigations of <em>Syzygium aromaticum</em> L. essential oil from Benin

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