Avocado is a fruit native to Central or South America, also called an alligator pear.
Key vitamin in avocado include vitamin B1 (thiamin), vitamin B2 (riboflavin), vitamin D, vitamin B3 (niacin), and vitamin B6.
Vitamin B1 is important in the production of energy. It helps the body cells convert carbohydrate into energy. Its is also essential for the functioning of the heart, muscles and the nervous system.
Unlike most fruits, they have a high fat content which varies less than 5% to more than 20%.
The presence of fat also means that avocados are a source of the fat soluble vitamin and important antioxidant vitamin E.
Vitamin E in avocado acts as an antioxidant to stop free radicals from damaging organs in the body, especially the heart.
Eating fat along with foods containing vitamin helps improve the absorption of those vitamins. Adding a little avocados to a garden salad is a great way to boost vitamin absorption while adding extra nutrition.
Saturday, 7 May 2011
Cellulose
Cellulose is the most common polysaccharides and the major component of plant cell walls. It is the most abundant polysaccharide on the planet, accounting for almost half of all the carbon in the biosphere.
Cellulose is a polymer of glucose molecules linked together by 1 to 4 linkages and cannot be digested by humans.
The strength is essential for cellulose to function as plant skeleton.
Cellulose fibers are cross linked by other polysaccharides, this reinforcing the strength of the fibers, e.g. lignin in wood.
Thus cellulose is a major component of dietary fiber. Pectin is a polymer of galacturonic acid and is not digested. In plant, pectin “cement” cells together. Cellulose relatively resistant to breakdown.
Cellulose is insoluble in water and very resistant to digestive enzymes. Complex carbohydrates that cannot be digested are generally called fiber.
Some forms of fiber may aid in reduction of serum cholesterol. These types of fiber appear to bind the cholesterol and make it less available for absorption.
Fiber provides bulk to the food eaten so that the muscles in the intestinal wall can better push the content along. It aid the movements of food by their capacity to absorb water and help to maintain muscle tone.
Cellulose from plants and from waste paper can be enzymatically converted to glucose, supplemented with nitrogen and used for the growth of yeast and other microorganisms as an animal feed supplement for as a source of protein for humans.
Cellulose is a polymer of glucose molecules linked together by 1 to 4 linkages and cannot be digested by humans.
The strength is essential for cellulose to function as plant skeleton.
Cellulose fibers are cross linked by other polysaccharides, this reinforcing the strength of the fibers, e.g. lignin in wood.
Thus cellulose is a major component of dietary fiber. Pectin is a polymer of galacturonic acid and is not digested. In plant, pectin “cement” cells together. Cellulose relatively resistant to breakdown.
Cellulose is insoluble in water and very resistant to digestive enzymes. Complex carbohydrates that cannot be digested are generally called fiber.
Some forms of fiber may aid in reduction of serum cholesterol. These types of fiber appear to bind the cholesterol and make it less available for absorption.
Fiber provides bulk to the food eaten so that the muscles in the intestinal wall can better push the content along. It aid the movements of food by their capacity to absorb water and help to maintain muscle tone.
Cellulose from plants and from waste paper can be enzymatically converted to glucose, supplemented with nitrogen and used for the growth of yeast and other microorganisms as an animal feed supplement for as a source of protein for humans.
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