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Author Question: Identify and describe the major categories of food additives. What will be an ideal ... (Read 104 times)

penza

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on: Aug 20, 2018
Identify and describe the major categories of food additives.
 
  What will be an ideal response?

Question 2

List four appropriate uses for nutrient additives to foods.
 
  What will be an ideal response?


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Zack0mack0101@yahoo.com

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Reply #1 on: Aug 20, 2018
Answer to Question 1

ANS:
Antimicrobials
Prevent food spoilage from microorganisms
Salt, sugar, nitrites and nitrates (such as sodium nitrate), bacteriophages

Antioxidants
Prevent oxidative changes in color, flavor, or texture and delay rancidity and other damage to foods caused by oxygen
Vitamin C (erythorbic acid, sodium ascorbate), vitamin E (tocopherol), sulfites (sulfur dioxide, sodium sulfite, sodium bisulfite, potassium bisulfite, sodium metabisulfite, potassium metabisulfite), BHA and BHT

Colors
Enhance appearance
Artificial: indigotine, erythrosine, tartrazine Natural: annatto (yellow), caramel (yellowish brown), carotenoids (yellowish orange), dehydrated beets (reddish brown), grape skins (red, green)

Flavors
Enhance taste
Salt, sugar, spices, artificial sweeteners, MSG Emulsifiers and gums Thicken, stabilize, or otherwise improve consistency and texture

Emulsifiers
Lecithin, alginates, mono- and diglycerides Gums: agar, alginates, carrageenan, guar, locust bean, psyllium, pectin, xanthan gum, gum arabic, cellulose derivatives

Nutrients (vitamins and minerals)
Improve the nutritive value by replacing vitamins and minerals lost in processing (enrichment) or adding vitamins or minerals that may be lacking in the diet (fortification)
Thiamin, niacin, riboflavin, folate, iron (in grain products); iodine (in salt); vitamins A and D (in milk); vitamin C and calcium (in fruit drinks); vitamin B12 (in vegetarian foods)

Answer to Question 2

ANS:
Appropriate uses of nutrient additives are to:
Correct dietary deficiencies known to result in diseases
Restore nutrients to levels found in the food before storage, handling, and processing
Balance the vitamin, mineral, and protein contents of a food in proportion to the energy content
Correct nutritional inferiority in a food that replaces a more nutritious traditional food


penza

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Reply #2 on: Aug 20, 2018
Both answers were spot on, thank you once again


Zack0mack0101@yahoo.com

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Reply #3 on: Aug 20, 2018
Great! Please up vote :D


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