Zusammenfassung der Ressource
Nutrients
- Substances found in food that you use to obtain energy, build or repair tissue and regulate body functions
- Needed to:
- Fuel your energy
- Help you grow
- Repair itself
- Maintain basic bodily functions
- 6 essential nutrients
- Water
- Most basic nutrient; can't survive more than a few days without it
- Carbohydrates
- Come in two forms: simple and complex
- Simple: High in calories, low in nutritional value
- Complex: excellent source of energy; aids in digestion
- Protein
- Nutrient most people get plenty of
- Complete: Contain all 9 essentials; found in animal sources
- Incomplete: Lack one or more of the essentials; found in plant sources
- Fats
- Brain and nerves don't work well without it
- Provide substances needed for growth, provide energy, enhance taste
- Saturated fats: raise bad cholesterol
- Trans fat: created in food manufacturing when liquid vegetable oils are turned into solid fat using a process called hydrogenation
- Unsaturated fats: 2 types
- Polyunsaturated: provide two essential fatty acids
- Monounsaturated: Play a role in reducing the risk of heart disease
- Vitamins
- Help break down energy from protein
- Minerals
- Perform a variety of functions in the body
- Fiber: indigestible but helps digestion
- Speeds up food passage
- Amino acids
- Chemical acids in protein
- 20 total
- The human body can produce 11 of them
- The other 9 called "essential amino acids" are the ones that must be recieved through foods
- Cholesterol: Fat substance in every cell of the body
- Help make necessary cells