BIBLIOGRAPHY
http://www.livestrong.com/article/288335-the-most-common-food-preservatives/
http://www.cooperativepurchasers.com/Ingredients/Food-Preservatives/
http://pubs.acs.org/cen/science/8045/8045sci2.html
http://greatist.com/health/are-preservatives-food-bad-my-health
http://www.livestrong.com/article/325437-harmful-effects-of-preservatives-in-foods/
http://theorganicsinstitute.com/10-tips-on-how-to-avoid-harmful-preservatives-in-your-diet/
http://www.livestrong.com/article/533477-advantages-and-disadvantages-of-artificial-food-preservatives/
For Watching! ;)
Food Preservatives
How harmful are food preservatives and were they can be found.
What Are Food Preservatives?
Introduction
QUICK TIP:
To limit/decrease the amount of preservatives you eat:
Have you heard that people's bodys have started lasting for a long time after their death? Well, Its true and its because of preservatives. Over the course of our presentation we will educate you on the following subjects:
- Food preservatives
- Their uses
- Benefits
- What they are used in
- Effects on humans
- Effects on nature
- Examples
ENJOY!
- Shop for fresh foods & organic foods
- Read nutrition labels (ingredients, etc.)
- Make your own meals & snacks using fresh ingredients
- Try to grow your own vegetables/fruits
- Research about preservatives to learn more about them
Conclusion
In conclusion, we hoped you learned a lot from our presentation about preservatives. To sum it all up, preservatives are...
- A substance added into foods to prevent spoiling (decrease bacterial growth), maintain nutrition quality, and improve the appearance of the food
- Are types of food additives
- Some a natural preservatives (salt, sugar, vinegar & citrus juice
- Others are artificial
Where Are They Found?
Can be found in packaged foods such as:
- ready-to-eat meals
- cheese
- yogurt
- deli meats
- soups
- crackers
- cereals
- breads
- snacks
- sauces
- grapes
- oranges
- cherries
- lemons/limes
Can be found in fruits such as:
The Pros of Preservatives
Benefits
- Artificial preservatives prolong the expiry of food and keep it from becoming contaminated.
- Artificial preservatives may act as antioxidants.
- Make food more acidic.
- Reduce the moisture level of food (slow down ripening)
- Prevent the growth of microorganisms.
- Preservatives help minimize the amount of food you buy that goes bad.
- They limit the spread of bacteria.
Everlasting Foods
What Are The Affects?
Types of Preservatives
->Human Body
-> Fruit Cups
-> Fruit Wax
-> Canned Foods
There are different types of preservatives. Some more harmful than others.
colourless crystalline solid & acid
Fruit wax can either be natural, like carnuba wax, but most are petroleum based. These waxes contain artificial preservatives.
calcium salt of sorbic acid
Most if not all canned foods contain preservatives. If they say "No artificial preservatives" on them it means they're just loaded in salt
Ingredients: Fruit (Peaches,Pears, Pineapple), Water, Sugar, Ascorbic Acid, Natural Flavor, Citric Acid, Calcium Chloride.
- Benzoic Acid:
- Calcium Sorbate:
- Erythorbic Acid:
- Potassium Nitrate:
- Sodium Benzoate:
natural substance that is vegetable derived
- The preservatives are used to keep the fruits and vegetables fresh
- the government does not check the ingredients on food wax
- Ascorbic Acid is a antioxidant found in an organic compound
- It is used to help the food retain its color
- It is also used to slow the dissolving process of the fruit into the liquids
- Preservatives and salt keep canned food from going rancid
- Some preservatives are used to keep color
- Fresh food is always more healthy then canned food
- High levels of sodium and preservatives can be hard on the body.
a commonly used preservative. Is the sodium salt of
Although preservatives have many benefits, they are not without their side affects.
- Sulfites: They can be harmful to people with asthma and prompt allergies.
- Sodium Benzoate: When coupled with vitamin C, it creates benzene, a known carcinogen.
- Nitrite: Gives processed meat its red color and is linked to many types of cancer.
- BHA/BHT: Another carcinogen.
Many other preservatives have harmful effects such as triggering allergies, upsetting digestion, hyperactivity, and sweating.
- The other ingredients include sugar and sugar
is a chemical preservative. Is added in seedless raisons.
- Conventional fruit waxes include morpholine oleate, preservatives, fungicides and dyes
- Fruit wax cannot be digested, but the chemicals are absorbed into the body.
- To avoid fruit wax, buy organic and scrub your fruits and vegetables
What are some examples?