Ceramic Powder Made from Chicken Feces: Anti-Viral Effects Against Avian Influenza Viruses

Takehara, Kazuhiko; Chinen, Omoto; Jahangir, Alam; Miyoshi, Y.; Ueno, Yuichi; Ueda, Shuhei; Takada, Yukako; Ruenphet, Sakchai; Mutoh, Ken-ichiro; Okamura, Masashi; Nakamura, Masayuki

doi:10.1637/8599.1

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“…The tested solution was evaluated in triplicate, and the titers were shown as mean ± SE. Inactivation was considered to be effective if ≥ 3 log10 reduced organism titers were obtained, indicating a more than 1,000 times viral or bacterial titer reduction [18,30,33].…”

Section: Evaluation Of the Virucidal And Bactericidal Activities Using The Suspension Testmentioning

confidence: 99%

Synergistic effects of quaternary ammonium compounds and food additive grade calcium hydroxide on microbicidal activities at low temperatures

et al. 2021

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The microbicidal activities of mixtures of quaternary ammonium compounds (QACs) and food additive grade calcium hydroxide (FdCa(OH)2) were evaluated in a suspension test at -20°C using an anti-freeze agent (AFA) containing methanol, or at 1°C, with varying contact time, toward avian influenza virus (AIV), Newcastle disease virus (NDV), fowl adenovirus (FAdV), avian reovirus (ARV), Salmonella Infantis (SI) and Escherichia coli (EC). At -20°C, the mixtures could inactivate AIV and NDV within 30 min, FAdV and ARV within 5 sec, and SI and EC within 3 min, respectively. AFA did not inactivate viruses and bacteria within 30 minutes and 10 minutes, respectively. At 1°C, the mixtures inactivated FAdV and ARV within 30 sec, AIV w i t h i n 1 0 m i n , a n d NDV w i t h i n 30 min. A mixture of slaked lime (SL) a n d QAC could inactivate FAdV and ARV within 30 sec, but could not inactivate AIV and NDV even after 60 min at 1°C. SL could not substitute FdCa(OH)2 in order to exert the synergistic effects with QAC. Thus, QACs microbicidal activities were maintained or enhanced by adding FdCa(OH)2. It is hence recommended to use QACs with FdCa(OH)2, especially in the winter season.

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Section: Evaluation Of the Virucidal And Bactericidal Activities Using The Suspension Testmentioning

confidence: 99%

Synergistic effects of quaternary ammonium compounds and food additive grade calcium hydroxide on microbicidal activities at low temperatures

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

Ceramic Powder Made from Chicken Feces: Anti-Viral Effects Against Avian Influenza Viruses

Cited by 1 publication

References 0 publications

Synergistic effects of quaternary ammonium compounds and food additive grade calcium hydroxide on microbicidal activities at low temperatures

Synergistic effects of quaternary ammonium compounds and food additive grade calcium hydroxide on microbicidal activities at low temperatures

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