Full Answer
What is ozone and how does it work?
Aug 29, 2007 · Ozone is a safe, efficient method for disinfecting the water against water-borne microorganisms and other bacteria that may remain following pretreatment methods. It also protects against any contamination that may be present in the bottling equipment, bottles and caps. What Does Ozone Do? Ozone (O3) is an unstable, color-less gas.
What are ozone generators used for?
Mar 15, 2001 · The water treatment industry generates ozone by exposing oxygen molecules to ultraviolet (UV) radiation or a high-energy electrical charge—corona discharge—in manufactured ozone generators. Because of ozone’s oxidizing and disinfecting strength, the water treatment industry utilizes it to solve a variety of drinking water problems.
What is ozone (O3)?
Jan 25, 2018 · Ozone is popularly used in water treatment, air treatment, and cod reduction of industrial wastes. It also has other uses as a bleaching agent including ozonolysis of unsaturated fatty acids. Ozone is an excellent and strong oxidizer that oxidizes the bacteria, breaks it down and removes the toxicity.
What is ozone made up of?
Jan 30, 2018 · Ozone has been a. solution for removal of many of these contaminants as part of the water pre-treatment process in water treatment plants all over the World. In addition the use of ozone was found to Ozone to reactivate charcoal used in filtration beds.
What defines the FDA's de minimis rule?
Which of the following defines the FDA's de minimis rule? The amount of food additives that causes no more than a one in 1 million lifetime risk of cancer to human beings.
What is the international agency that has adopted standards to regulate the use of pesticides?
EPA has oversight responsibility for the regulation of pesticide use in most States and primary responsibility in those States where all or part of the pesticide program has not been delegated. Amendments to FIFRA have delegated responsibility and authority to States for training, registration, and enforcement.
When a slice of fresh apple turns a brown color This is most likely the result of?
This triggers an enzyme known as polyphenol oxidase (PPO) to—wait for it—oxidize polyphenols in the apple's flesh. This results in new chemicals (o-quinones), which then react with amino acids to produce brown-colored melanins.
Which of the following is the leading cause of food contamination in the United States quizlet?
Raw foods, such as seafood, produce, and meats, can all be contaminated during harvest (or slaughter for meats), processing, packaging, or during distribution, though meat and poultry are the most common source of foodborne illness.
What is the main purpose of the Federal Insecticide Fungicide and Rodenticide Act quizlet?
What is the main purpose of the Federal Insecticide, Fungicide, and Rodenticide Act? Place the distribution, sale, and use of pesticides under federal control.
What is the federal agency that is responsible for regulating the use of pesticides and establishing water quality standards quizlet?
The EPA regulates the proper use of pesticides.
Why do apples oxidize?
When an apple is cut (or bruised), oxygen is introduced into the injured plant tissue. When oxygen is present in cells, polyphenol oxidase (PPO) enzymes in the chloroplasts rapidly oxidize phenolic compounds naturally present in the apple tissues to o-quinones, colorless precursors to brown-colored secondary products.Jul 30, 2007
How does lemon juice prevent apples from browning?
The pH of lemon juice is between 2.0-2.5. A lower pH means the substance is more acidic. The acid in lemon juice inactivates polyphenol oxidase to prevent browning. The treatment group of apple slices sprinkled with Fruit Fresh® should prevent browning.
What does the discoloration of apple mean?
Apples turn brown when exposed to air because of the oxidation process that goes on when the inside of the apple gets exposed to the ambient air which contains oxygen and water molecules. The skin of the apple protects it from this process. This oxidation process is very sensitive to the ambient temperature.
What is the main cause of food contamination Servsafe?
Purchasing food from unsafe sources. Failing to cook food correctly. Holding food at incorrect temperatures. Using contaminated equipment.
What is the main cause of food contamination quizlet?
Five most common food-handling mistakes or risk factors that can cause foodborne illness are -Purchasing food from unsafe sources, failing to cook food correctly, holding food at incorrect temperatures, using contaminated equipment, and practicing poor personal hygiene.
What can be done to prevent purposeful food contamination in a restaurant?
To prevent cross-contamination, clean and sanitize work surfaces, equipment and utensils after each use. Hot, soapy water is recommended for most surfaces and tools, but commercial disinfectants may be needed depending on the situation.Sep 25, 2018