The citric acid cycle produces energy by the oxidation of acetyl coenzyme A (acetyl CoA) to carbon dioxide (CO2) and ATP 3, 5, 7. Acetyl CoA can be synthesised from carbohydrates, fatty acids and amino acids.1, 5, 7. Pyruvate produced in glycolysis undergoes oxidation and decarboxylation by the multi enzyme complex pyruvate dehydrogenase to produce acetyl CoA. 7, 8, 10. The citric acid cycle also provides carbon skeletons for the biosynthesis of amino acids, fatty acids, carbohydrates, cholesterol, haeme and other molecules that are vital for survival. 1, 5, 6,…
Glycolysis The first stage is cellular respiration is called Glycolysis and occurs in the cytoplasm of the cell. This is an anaerobic activity, meaning there is no oxygen present in this stage. Like all great endeavors,…
Hydrolysis of triglycerides occurs in the duodenum and the PH rages are from 7.1 to 8.2. • Phenol red was used as a PH indicator of the samples. if the sample is an acid then a yellow color is appeared, if the sample is alkaline then a red color will appeared. if the sample is neutral, it will be orange or if the sample is alkaline and has a PH of 10 or less, then it will have a pink color.…
In conclusion, In order to understand how our food is digested, there are various process that occur between absorption and the final utilation of nutrients by the body’s cells, and besides our mechanical digestion which is chewing, there is also a chemical digestion which from my results it is really important. Everything starts from the mouth in which salivary amylase is an enzyme produced by the salivary glands. This enzyme starts digestion by convertion food into maltose. Moreover, in the experiment digestion of triglycerides, I saw the effect of pancreatic juice on triglycerides by the use of pancreatin, which contains all the enzymes present in the pancreatic juice.…
Lipids are made of carbon, hydrogen, and oxygen. They are appeared as fats or triglycerides. Oils are liquid at room temperature and are called unsaturated. Solid fats are submerged. Lipids are found in cell movies and are an immensity source.…
The author, unknown, goes into extensive detail concerning the break down by use of bile acids to break down large molecules. No experimentations were made. No arguments or sides were taken in this article. This article just sums up the basis of lipid absorption and digestion such as into the blood. It also explains the functions of lipids in the body.…
Oxidative phosphorylation is the aerobic process where carbohydrates, fats, and protein are broken down to produce ATP. On the other hand, glycolysis is an anaerobic process which means it does not use oxygen. This process converts glucose into pyruvate, then converted into acetyl CoA or lactate. If oxygen is not present or a very small amount, the lactic acid cycle begins and three molecules of ATP are produced. The end to this process causes soreness and fatigue.…
Thus, the fatty acids linoleic acids and alpha-linolenic acids are considered essential fatty acids which…
Hydroboration/Oxidation of an Alkene Introduction: An alcohol can be added across the double bond of an alkene via hydration, which is the addition of a proton and alcohol group to the double bond. This reaction can yield either a Markovnikov alcohol or an Anti-Markovnikov alcohol. If the reaction is carried out in acidic conditions, the reaction yields a Markovnikov alcohol. The mechanism includes the formation of a carbocation intermediate, which has a lower activation energy when it is formed on the more substituted or resonance stabilized carbon. The nucleophile then attaches to the positive charge created by the carbocation, yielding the Markovnikov product.…
Fat are a crucial factor for the structure of membranes, cell communication, and hormone production. This stored fat can later be metabolized for times when food is scarce and our caloric requirements exceeds the amount of caloric intake (Nutrition Sense). There are two types of fats – saturated and unsaturated. While “small amounts of certain unsaturated fatty acids are essential in their diet . . . diets high in saturated fat, trans fat, and cholesterol may increase the risk of heart disease” or other problematic health conditions (Grosvenor,…
In other words, the main source of energy transforms into fat (fatty acids), instead of carbohydrates in this case glucose. Because of…
It is formed by the removal of water from two ethanoic acid molecules. Because acetic anhydride is the second most reactive carboxylic acid derivative, they can be readily converted into other less reactive carboxylic acid…
The results are illustrated in Fig. 1. FIG. 1. The change of peroxide (I) and iodine values (II) of the fatty acid ester exposed to air at room temperature…
OMEGA-3 FATTY ACIDS 1) Structure Figure 1.1 The omega-3 fatty acids are also known as ω-3 fatty acids or n-3 fatty acids which contain a long chain of polyunsaturated fatty acids and the chain ranges from 18 to 22 carbon atoms (Collins J.J., 2010). The fatty acids have two ends; the carboxylic acid end (-COOH) and the methyl end (-CH3). The carboxylic acid end is considered the starting of chain which is “alpha” and methyl chain is considered as the tail of the long chain which is “omega”. Thus, the fatty acid named from the methyl end in which the double bond is located at the third carbon (red region in Figure 1.1): thus the name is omega-3 fatty acids.…
It is the percentage by weight of a specific fatty acid. The Acid value is defined as the mg of potassium hydroxide needed to neutralize the free acids present in 1 g of oil. In this experiment, the researchers used chemicals and reagents such as ethanol, Sodium hydroxide (NaOH) and Phenolphthalein Indicator. Laboratory Apparatuses and Equipment such as 250ml beakers, Buchner funnel, 10ml buret, 250ml Erlenmeyer flasks, coconut oil sample, filter paper, 100ml graduated cylinder, volumetric pipette, side-arm flask, hot plate and Analytical balance.…