Animal Food Processing & Nutrition
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Transcript of Animal Food Processing & Nutrition
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Animal Food Processing & Nutrition
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Blood glucose regulation: insulin & glucagon (49-13,12)
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herbivore
ruminant
carnivore
omnivore
detritivore
saprobe
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4-part stomach
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suspension
fluid
substrate
bulk
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Ingestion digestion absorption elimination
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Sponges
(31-1)
(5-21)
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Gastrovascular cavities
Tubular/complete systems
Annelid (31-19)
typhlosole
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TongueHuman digestive system
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Mammal teeth
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TongueHuman digestive system
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Peristalsis
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Stomach
Acid chyme
Gastroesophageal/cardiac
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TongueHuman digestive system
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Sodium bicarbonate
Digestive enzymes
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TongueHuman digestive system
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circular folds
brush border
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lacteal
Where the food molecules go
chylomicrons
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TongueHuman digestive system
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From Wikipedia
Hormonal control of digestion
/enterogastrone
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TongueHuman digestive system
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Defecation reflex
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Comparison of mammal digestive systems
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Human Nutrition
For the most recent USDA dietary guidelines:
http://www.choosemyplate.gov/guidelines/index.html
Major components (macronutrients)
Minor components (micronutrients)
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Leptin deficient
Appetite: it’s complicated
Ghr = ghrelin (+)
NPY = Neuropeptide Y (+)
PYY = peptide YY (-)
CCK = cholecystokinin (-)
Insulin (-)
Leptin (-)
(and there’s more...)
NPY
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Carbohydrates: Simple vs. complex
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ProteinsEssential Amino Acids
Isoleucine Leucine Lysine
Methionine Phenylalanine
Threonine Tryptophan
Valine
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Lipids
Essential Fatty Acids
Lipoproteins:
Tryglycerides
Cholesterol
Proteins
Alpha linolenic
Linoleic
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rickets
(Vit D deficiency)
pellagra
(niacin deficiency)
scurvy
(Vit C deficiency)
Micronutrients
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Water Soluble VitaminsThiamin (B1)
Riboflavin (B2)Niacin (B3)
Pantothenic Acid (B5)Pyridoxal, Pyridoxamine, Pyridoxine (B6)
Biotin Cobalamin (B12)
Folic Acid/Folacin Ascorbic Acid (C)
Fat Soluble VitaminsVitamin A Vitamin DVitamin E Vitamin K
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Calcium
Phosphorus
Sulfur
Potassium
Chlorine
Sodium
Magnesium
Iron
Fluorine
Zinc
Copper
Manganese
Iodine
Cobalt
Selenium
Chromium
Molybdenum
Minerals
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Antioxidants
Phytochemicals
In section 47.3 & 47.4 - only study the information covered by lecture.