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Why does the steps of hexane to fat food has to be repeated 3 times lipid extraction? 


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The steps of hexane to fat food extraction are repeated three times to improve the efficiency of lipid extraction and increase the yield of lipids. By repeating the extraction process multiple times, more lipids can be extracted from the food sample, resulting in a higher concentration of lipids in the final extract. This is important for accurate qualitative and quantitative detection of lipids in food. Additionally, repeating the extraction process helps to ensure that all lipids present in the food sample are extracted, minimizing the risk of underestimating the lipid content. The use of hexane as a solvent in the extraction process is common due to its high selectivity towards lipids and low cost . However, it is important to note that hexane is a neurotoxic substance and its presence in food products should be assessed for potential risks .

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The provided paper does not mention the specific steps of hexane extraction being repeated three times for lipid extraction.
The provided paper does not mention why the steps of hexane extraction need to be repeated three times for lipid extraction.
The provided paper does not mention the need to repeat the steps of hexane extraction three times in fat food.
The paper does not mention the use of hexane in the lipid extraction method.
The provided paper does not mention the need to repeat the steps of hexane to fat food extraction three times.

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