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Protein Analysis in Food: How to Determine Protein Content Accurately

https://www.velp.com/en-us/protein-analysis-in-food-how-to-determine-protein-content-accurately.aspxThis is because food contains not only protein-bound nitrogen but also non-protein nitrogen (NPN) from compounds like free amino acids, small peptides, nucleic acids, phospholipids, amino sugars, vitamins, and ammonium ions . ... It involves three main steps: Digestion: The food sample is digested with concentrated sulfuric [...]

Kjeldahl analysis

https://www.velp.com/en-us/kjeldahl-analysis.aspxThe conversion from TKN to protein depends on the type of protein present in the sample and what fraction of the protein is composed of nitrogenous amino acids. ... Digestion The decomposition of nitrogen in organic samples utilizing a concentrated acid solution. This is accomplished by boiling a homogeneous sample in concentrated sulfuric [...]

PEANUT CULTIVARS AND LIPID CONTENTS: A COMPARATIVE ANALYSIS OF OXIDATION STABILITY WITH THE OXITEST REACTOR

https://www.velp.com/en-us/comparison-of-lipid-contents-in-different-types-of-peanut-cultivars-with-the-oxitest-oxidation-stability-reactor.aspxThe peanut (Arachis hypogaea L.) is an herbaceous plant, particularly rich in lipids, proteins, and amino acids, and one of the most widely cultivated in the world. ... Different varieties of peanuts are grown worldwide, which correspond to different lipid profiles : some of them have a high oleic acid content, others have a low oleic [...]

N/PROTEIN, FAT AND FIBER DETERMINATION IN PEAS: A COMPREHENSIVE ANALYSIS FOR A NUTRITIONALLY BALANCED FEED

https://www.velp.com/en-us/nprotein-fat-and-fiber-determination-in-peas-a-comprehensive-analysis-for-a-nutritionally-balanced-feed.aspxField pea contributes significant amounts of protein, carbohydrates, and amino acids to all animal species and is increasingly included as an ingredient in beef, dairy, swine, and poultry rations due to their nutrient density. Feed pea protein averages 23% and is highly digestible with an excellent amino acid balance. The [...]

EXPLORING THE DIFFERENCES BETWEEN TOTAL KJELDAHL NITROGEN (TKN) AND TOTAL NITROGEN (TN)

https://www.velp.com/en-us/exploring-the-differences-between-total-kjeldahl-nitrogen-tkn-and-total-nitrogen-tn.aspxNitrogen is a fundamentally important element for all living organisms, entering, along with carbon, hydrogen, oxygen and sulfur, into the composition of proteins and, along with the aforementioned elements and phosphorus, into the constitution of nucleic acids.... The conversion from TKN to protein depends on the type of protein present in the sample and what fraction of [...]

AOAC - EN ISO - ASBC - ICC - AACC - REG CE - DIN EN - EPA - APAT - ASTM Nitrogen/Protein Determination - Kjeldahl Distillation Units

https://www.velp.com/en-us/aoac-en-iso-asbc-icc-aacc-reg-ce-din-en-epa-apat-astm-determinacion-de-nitrogenoproteinas-unidades-de-destilacion.aspxThe Kjeldahl Method covers many industrial sectors for Nitrogen/Protein Determination and Nitric nitrogen determination , Phenols , Volatile acids , Cyanides , Alcohol determination , and Devarda alloy . ... CONTACT US FOR DETAILS FOOD & BEVERAGE OFFICIAL REFERENCE METHODS INDUSTRY OFFICIAL REFERENCE METHOD DESCRIPTION Milk and dairy product AOAC 991.20 [...]