Penicillium aurantiogriseum

Penicillium aurantiogriseum is frequently isolated from feeds and food since it's common in maturing crops, especially cereals. It is a producer of a number of mycotoxins. These include: Penicillic acid Roquefortine C Xanthomegnin Viomellein Verrucosidin The health effects of these mycotoxins has not been reported. The growth temperature for Penicillium aurentiogriseum ranges from 15-40 oC with an optimum temperature at 25 oC.   References Pitt, J.l. (1988). "A … [Read more...]

Black Mold Symptoms

When it comes to indoor mold, "Black Mold" is one of the most searched phrases on Google, Yahoo and MSN. According to the SEO Book Keyword Suggestion Tool, daily total search for "black mold" from Google, Yahoo and MSN is about 710 and if we include all phrases that contain the phrase "black mold", the total daily search from the 3 search engines comes to about 1700. But what is "Black Mold"? It refers to a mold known by the scientific name as Stachybotrys chartarum. It is not the only mold … [Read more...]

Bacteria As Contaminants In Indoor Environments

People spend around 80 and 90% of their time in indoor environments (office, school, home, etc) and there is increased awareness of the potential health effects of indoor biological contaminants such as bacteria. Therefore, when considering work or indoor living conditions, the air quality requires special attention. In indoor environments, biological contaminants are often found in areas that provide conducive conditions for microbial growth. These include damp or wet areas such as cooling … [Read more...]

Air Pollution and Childhood Respiratory Allergies

A study in the United States suggests that childhood respiratory allergies, which contribute to missed school days and other activity limitations, have increased in recent years, possibly due to environmental factors including air pollution. The study examined the associations between the reporting of respiratory allergies or hay fever and annual average exposure to particulate matter ? 2.5 µm in diameter (PM2.5), PM ? 10 µm in diameter, sulfur dioxide, and nitrogen dioxide and summer … [Read more...]