health foods presented by: ritika goyal. contents health foods known to us from centuries… newly...
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Health Foods
Presented by:Ritika Goyal
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Contents
Health foods known to us from centuries…
Newly made health food products.... Probiotics Prebiotics Stenols and sterols
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Foods that would add years to your life
and life to your years…………..
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A brief review…. Fruits and vegetables
Good source of nutrients.Protection from a number of diseases.
SpicesAdd taste to foods.Have antioxidant activities.
Garlic Antimicrobial and anticarcinogenic.Prevention against cardiovascular diseases.
Nuts Benefecial effects on blood lipids.Lowers the risk of coronary heart diseases.
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TeaReduces the risk of blood clots.Reduces body lipids.
Maintains healthy circulatory system.
ChocolateHigh flavonoid and phenolic content.
High antioxidant activity.
Legumes reduced risk of heart disease.contains protein and other compounds that
help lower blood cholesterol.
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Winesmost of the medicinal properties of wine are
in relation to its ethanol content.Contains flavonoids and polyphenolic compounds.
FishContains omega 3 fatty acids.Have numerous beneficial effects on heart.Reduces the risk of heart attacks.
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How much should I eat?
Eat variety of fruits & vegetables: include broccoli, cauliflower, citrus
Herbs & Spices: rosemary, Turmeric Garlic 1-3 fresh cloves per day Soy protein: 25 g/day Nuts/Almonds: 2 oz./day Oats: 3 g beta-glucan soluble fiber/day Grape Juice: 1-2 cups per day (1cup = 8oz.) Fish: 2 servings per week (serving = 3oz.) Black or Green Tea: 1-4 cups per day (1cup = 8oz.) Chocolate 1 cup of cocoa
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New health foods……
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Probiotic FoodsMetchnikoff claimed that the intake of
yogurt containing lactobacilli results in a reduction of toxin-producing bacteria in the gut and this increases the longevity of the host.
Probiotics can be defined as –
“A live microbial feed supplement which
beneficially affects the host animal by
improving its intestinal microbial balance.”
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Beneficial effects of probiotic foods Produce lactic acid- lowers the pH of intestines and inhibiting
bacterial villains such as Clostridium, Salmonella, Shigella, E. coli, etc.
Decreases the production of a variety of toxic or carcinogenic metabolites.
Aid absorption of minerals, especially calcium, due to increased intestinal acidity.
Production of β- D- galactosidase enzymes that break down lactose .
Produce a wide range of antimicrobial substances -acidophilin and
bacteriocin etc. help to control pathogenic bacteria .
Produce vitamins (especially Vitamin B and vitamin K)
Act as barriers to prevent harmful bacteria from colonizing the
intestines
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An example:
Disease Antibiotic treatment
Diarrhea Disturbance of intestinal microbiota
Clostridium overgrowthproduces toxin
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How can probiotics help in this case?Disease Antibiotic treatment Probiotics Disturbance of intestinal microbiota
Microbiota Clostridium overgrowth in balance produces toxin
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Use of probiotics…..
All probiotics works effectively, if taken after meals, when stomach acid is lowest.
Stomach acid destroys up to 99.9% of probiotics, if taken before a meal but only about 90%, if taken after meal.
Thus, after meal intake ensures maximum delivery to the small intestine, where they reproduce rapidly, populating the colon.
They do most of their good work in the small
and large intestines, but they also help
the mouth and esophagus to remain uninfected.
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Why do we need health foods?
We live in an “obesogenic” environment
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940 calories, 44 g fat(20 g saturated fat),
2920 mg sodium
Pepperoni LoversStuffed Crust Pizza(2 medium slices)
CaramelFrappuccino
500 calories16 g fat(10 g saturated),17 teaspoons sugar
1,160 calories, 29 g fat(18 g saturated),40 teaspoons sugar
Large TripleThick ChocolateMilkshake
No nutritional value Replace healthy beverages Increase risk of obesity& type 2 diabetes
Soft drinks