ting-waybackintolove.blogspot.com
foOd sAfeTy: July 2007
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Sunday, July 15, 2007. The PCR usually consists of a series of 20 to 35 cycles. Most commonly, PCR is carried out in three steps (Fig. 2), often preceded by one temperature hold at the start and followed by one hold at the end. 1) Prior to the first cycle, during an initialization step, the PCR reaction is often heated to a temperature of 94-96 C (or 98 C if extremely thermostable polymerases are used), and this temperature is then held for 1-9 minutes. Stable bonds are only formed when the primer sequen...
ting-waybackintolove.blogspot.com
foOd sAfeTy: April 2007
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Wednesday, April 25, 2007. Ingredients and related issues (Overview). 1) Flour- Bacillus cereus. 3) Olive oil- nil (Chemical: Rancidity). 4) Quick rise yeast. 5) Salt- nil (physical). 6) Garlic- Salmonella Virchow. 7) Spices (Basil,oregano)- Salmonella. 8) Tomato paste- Salmonella n *Cryptosporidium n *Listeria monocytogenes. 9) Sugar- nil (physical). 10) Pepperoni- yeast and mold, Ecoli, Salmonella, Listeria monocytogenes. 11) Crabstick- staphylococcus aureus. Posted by ting @ 7:53 PM. Quoted from: Wiki...
ting-waybackintolove.blogspot.com
foOd sAfeTy: May 2007
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Monday, May 7, 2007. Bacillus Cereus food poisoning is a gastrointestinal intoxication caused by toxins produced by the Bacillus Cereus bacteria. There are two types of toxin, - the Diarrhoeal (causing diarrhoea) and the Emetic (causing vomiting). Symptoms are: 1) nausea. 2) cramplike abdominal pains. Common sources of infection include:. 1) Raw, dried or processed foods such as cereals, cornflower, spices, and other dried foods. How to reduce the risk? The normal form can be inactivated by cooking, but ...
ting-waybackintolove.blogspot.com
foOd sAfeTy: June 2007
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Saturday, June 16, 2007. Controversies of GM food. This is a major concerns from Environmental activists, religious organizations, public interest groups, professional associations and other scientists and government about GM foods. Most concerns about GM foods fall into three categories: I) Environmental hazards, II) Human health risks, and III) Economic concerns. 1) Unintended harm to other organisms. 2) Reduced effectiveness of pesticides. 3) Gene transfer to non-target species. Create GM plants that ...
