Thursday 29 September 2011

How to Improve Your Memory


Energy loss is becoming a major problem in North America, although it has gone relatively un-addressed by everyone besides the energy drink companies. But energy drinks, or energy bars, are a far cry from a health-conscious way to restoring your natural vitality. Not to mention that it is a shallow "cure" that only treats the symptoms and never even gets close to the real cause.

GABA is short for “gamma-amino butyric acid”. It is the most important and abundant inhibitory neurotransmitter in the brain. It’s actually an amino acid classified as neurotransmitter.
Choline is an essential nutrient generally grouped with B-complex vitamins even though officially it is not a B vitamin. Choline serves various functions in our bodies – in the structure of cell membranes, protecting our livers from accumulating fat, as the precursor molecule for the neurotransmitter acetylcholine, and more. Because of rapid development in fetuses and infants, we have a great need for choline in our early lives.

Dietary choline has also been linked to a reduced risk of dementia, Alzheimer’s disease, breast cancer and heart disease. Human milk has high levels of choline that is very much needed by the infants for the early rapid development. Here are some examples of foods that are particularly high in choline, taken from the USDA’s Database for Choline in Foods.

Ginseng is known as an adaptogen, which means it increases resistance to physical, chemical, and biological stress and builds energy and general vitality. Adaptogen can also, to a certain extent, be supported with reference to its anticarcinogenic and antioxidant properties.

Amino acids are the building blocks of protein in the body, they are essential for the synthesis of structural protein, enzymes and some hormones and neurotransmitters.

L-Glycine is an amino acid used by the body to build proteins. It has the simplest structure of all amino acids, allowing it to fit easily within protein chains and make space for structurally larger amino acids.
Glutathione is considered to be the most powerful, most versatile, and most important of the body's self-generated antioxidants. Glutathione is a ubiquitous antioxidant involved in many cellular functions such as detoxification, amino acid transport, and production of coenzymes and recycling of vitamins E and C.

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Saturday 17 September 2011

Energy Relations in Ecosystems


Having learnt about the energy requirements (supplement) of a single individual organism, we will now focus our attention on the energy production and utilization of ecosystem. Such a study is important as all the organisms obtain their energy requirements from the food available in the habits they live. The organisms and its habitat are parts of ecosystem. In other words, energy in the form of food must be available to the organism in ecosystem. This is possible only when the energy (food) is produced in the ecosystem. Therefore, it is important to study the production and utilization of energy in ecosystem.

When herbivores consume the plants, the organic matter stored in plants and enters the body of the herbivores. Not all the energy stored in this organic matter is available or used up by the animal. Some of the food (in which energy stored in chemical form) obtained from the plants cannot be digested by the animals   (cellouse, lignin etc.) as fecal matter.





Therefore the energy present in this amount of food cannot be used by herbivores. During respiration, some of the chemical energy present in the food is lost as heat and cannot be used by the animal. Therefore, of the total amount of energy present in the food, only a portion of energy is used for growth and maintenance of herbivores. This can be considered as productivity by the herbivore. This is called secondary productivity. In general, herbivores makes less efficient use of energy stored in their food (because of cellouse, lignin etc.) than herbivores.

There is a lot of difference between Energy requirement and energy supplement. In biology, energy balance is the biological homeostasis of energy in living systems and Energy supplement define as a supplement designed to enhance the mental or physical energy levels.

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