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The definition of irradiation in food processing

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The definition of irradiation in food processing

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Food irradiation is a food safety process in which radiation is used to kill germs that can cause food poisoning which is foodborne illness. Food irradiation is safe, and various federal agencies and intergovernmental organizations have endorsed its safety and efficacy. It has no effect on the texture or appearance of food and does not render it radioactive.

Examples of irradiated food product
1) Poultry
2) Fresh fruits and vegetables
3) Spices and seasonings

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How does irradiation help in preserving food products? 

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How does irradiation help in preserving food products? 

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Principles of irradiation in food preservatives
In food irradiation, ionizing radiation uses electricity, x-rays and gamma rays to destroy microorganisms, such as bacteria, viruses or insects in food. Irradiation also delays ripening, improves rehydration, increases juice yield and inhibits sprouting, which helps preserve foods and/or keeps them at their peak.

Mechanism of irradiation in food preservatives
During irradiation, energy passes through food much like a ray of light passes through a window. This energy destroys most of the bacteria that can cause disease, yet allows food to retain its high quality. Irradiation pasteurizes food by using energy, just as milk is pasteurized using heat.

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My opinion on the safety of irradiated food

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My opinion on the safety of irradiated food

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In my opinion, the irradiated food is safe to consume because its uses radiation to kill germs that can cause food poisoning. Besides, its safety and efficacy have been endorsed by various federal agencies and intergovernmental organizations. The benefit of irradiated food is radiation processing does not affect significantly nutritional value, flavour, texture and appearance of food.

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Pickling is the process of using an acidic brine to preserve a food. Acidic brines are made with either salty water, sugar water, lemon juice, or vinegar. Either substance or sometimes a combination of them is poured over vegetables, fruit, meat or fish which are then placed in a tight jar for a few days.

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Fermentation is the process of sugars being broken down by enzymes of microorganisms in the absence of oxygen. Microorganisms such as bacteria and fungi have unique sets of metabolic genes, allowing them to produce enzymes to break down distinct types of sugar metabolites. During fermentation, a variety of microorganisms are present in different proportions.

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1. Pickled eggs
2. Pickled peach
3. Pickled beets

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1. Tempe
2. Yogurt
3. Kimchi

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Yogurt is a usually dairy product, which is made by blending fermented milk with various permitted ingredients that provide flavor and color.
The milk used for yogurt production should be good quality and tested antibiotic free otherwise the antibiotics in the milk can kill the starter cultures.
The reason I like yogurt is because yogurts can be high in protein, calcium, vitamins, and live culture, or probiotics, which can enhance the gut microbiota. These can offer protection for bones and teeth and help prevent digestive problems.

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According to the person in-charge, the basic of rocket is a pressurized container that contain the gas flow in opposite direction and small aperture to create a trust to fly.
The other example that apply this basic is ballon.

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The utilization of CO2 in production of construction material.

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The utilization of CO2 in production of construction material.

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CO2 is a compound that can be poured into the concrete to replace the time-consuming process of steam curing and mineralizing of cement.
The reason CO2 is used in this production because it can improved the effectiveness of decreasing the moisture that can lighten the weight of palm tree stems without adjusting the physical appearance.

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 Why do preservation by the use of heat is common in industry? 

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 Why do preservation by the use of heat is common in industry? 

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Food preservation techniques have relied heavily on heat in diverse forms and levels to destroy microorganisms and extend shelf life. The inactivation of the pathogenic and spoilage microorganisms present in foods is the main purpose of food preservation.

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You were shopping for food and groceries in the mall. What type of preserved food would you choose, and why?

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You were shopping for food and groceries in the mall. What type of preserved food would you choose, and why?

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In my opinion, the preserved food that I would choose when shopping for food and groceries in the mall is pasteurization type of preserved food such as food can and fruit juice in the bottle. The reason is because this type of food preserved last longer and the flavor does not change easily. Besides, it is also easy to get since its available in all mall.

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What is your opinion on the use of chemical preservatives in food product?

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What is your opinion on the use of chemical preservatives in food product?

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In my opinion, the use of chemical preservatives in food product is important since it helped the food product to last longer. Besides, because of global warming and rising temperature, the pressure from microbes will grow and cause the food to spoil quicker.

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How would you recommend the best chemical preservation method to be used?

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How would you recommend the best chemical preservation method to be used?

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As we know, there are a variety of chemical methods of food preservation such as salting, sugaring and smoking. These methods are all effective ways to preserve food. In my opinion, the best chemical preservation method is salting. Salting is the process of adding salt to food. This method works by drawing moisture out of the food, inhibiting the growth of bacteria. Salt also has a flavor-enhancing effect. Besides preserving food, salt is also used to flavor it. This kind of method is easy to do by all people because we only need to know the step to produce it and the material also easily obtain by anyone.

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Methods of food preservation and its example

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Methods of food preservation and its example

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1) Salting
- Salted fish and salt-cured meat
2) Canning
- Canned peaches and evaporated milk
3) Pickling
- Pickled cucumbers and green olives
4) Smoking
- Smoking of meat and fish

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What is food deterioration?
- Food deterioration is defined as a process that renders a product unacceptable or undesirable for consumption and is the result of the biochemical activity of microbial populations that predominate in the product.
What is food spoilage?
- Food spoilage is the process leading to a product becoming either undesirable or unacceptable for human consumption.

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1) Mechanical effects
- Bruises and wounds
2) Chemical effects
- Enzymatic reaction
3) Microbial effects
- Yeast and molds, bacteria, phages and protozoa
4) Physical effects
- Fluctuation of temperature and humidity

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My name is Syahril Ishmir Bin Hasim.
I am from Kuala Krai, Kelantan
My hobby are fishing and watching movies.