Usage D-3-hydroxybutyrate. Spontaneously, acetoacetate breakdown produce acetone. These ketone

of ketogenic diets in losing body weight


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Ketogenic diets is a high-fat, sufficient
protein, low-carbohydrate diet. (Wikipedia, 2018) Ketogenic force body
to burn fats instead of carbohydrate to achieve the goal of losing weight. In
medical area, ketogenic diet is used to treat children epilepsy. Recently, it
is a popular diet to lose weight. In this article, I will mainly discuss how ketogenic
diets help lose weight and its side effects. However, as all the lose weight
methods, the outcomes of conducting ketogenic diets are very different on
different type of people. The concepts mentioned in article are just for



carbohydrates are digested in our body, glucose produced. Glucose is the most
common fuel in cellular respiration, which provides ATP for cell activities. The
rise in glucose level stimulates the release of insulin. Insulin also inhibited
breakdown of fats thus stimulate storage of body fats. Ketogenic diets requires
low-carbohydrate intake. Under such condition, the concentration of glucose in
blood stream is lower than normal, insulin level decreases. (Volek JS1,
Glucagon is released instead convert fats to glucose. Hormone –sensitive
lipase(HSL) help hydrolyze the triacylglycerol  to glycerol and
fatty acid. Fatty acid enters liver produce acetyl CoA. Due to lack of glucose
in body, acetyl CoA cannot enter Krebs cycle, increase the concentration of
acetyl CoA. Acetyl CoA then produces acetoacetate. NADH reacts with
acetoacetate produce NAD+ and D-3-hydroxybutyrate. Spontaneously, acetoacetate
breakdown produce acetone. These ketone bodies (acetone, acetoacetate and
D-3-hydroxybutyrate) cannot be absorbed by body, so they enter blood stream and
excrete from body though urine, sweat and respiration. (Chaudhuri)Compare to glucose,
ketone bodies are more efficient fuel. 100 g of glucose generates 8.7 kg of ATP, 100 g of 3-hydroxybutyrate can
yield 10.5 kg of ATP, and 100 g of acetoacetate 9.4 kg of ATP. (The nerve blog, October 15th, 2013) As a more efficient
fuel, it will be used prior to glucose.


Experiments on
ketogenic diet

Many clinical
trials have been conducted to research the practicability of ketogenic diet on
fat loss. In general, ketogenic diet indeed helps fat loss. Here is an trail
from Duke University.


From July 2000
to July 2001, 1051 volunteers were screened for eligibility and 120 of them
were selected and participate in the experiment. All of them are overweight and
hyperlipidemic volunteers randomly selected from the community. They were
divided into two groups, one for low fats diet and the other for high fats
diet, which is ketogenic diet. In ketogenic diet group, volunteers were given