Yunma 1 hemp seeds:Compositional and nutritional analyses

The aim of this work was to determine the basic composition and analyze the nutritional values of Yunma 1 hemp seeds. The general composition is obtained: moisture 5.84%,ash content 6.31%,total sugar (calculated as glucose)2.71%, oil 50.41%, and protein 35.08%. Oleic acid 10.48%, linoleic acid 58.48%, and α-linolenic acid 17.78% combined account for 86.74% of total fatty acids and linoleic/α-linolenic acid ratio is close to 3∶1, which is considered as the best ratio for human body metabolism. Total tocopherols content is 8.41 mg/100g of which γ-tocopherol constitutes 86.9%. The Osborne fractions in hemp seed kernel proteins were determined: globulin 43.4%, albumin 28.7%, glutelin 9.28%, and prolamin 3.30%. The denaturation temperature of the Osborne fractions were determined by differential scanning calorimetry (DSC): albumin 60.53, globulin 54.30, glutelin 50.80, and prolamin 59.65 ℃. Hemp seed kernel meal is rich in protein and its four Osborne fractions are basically rich in essential amino acids except Trp. The most abundant non-essential amino acids contained in hemp seed kernel meal are Glu, Asp, and Arg. Hemp seed kernel meal, as judged from nutritional parameters (E/T, AAS, PER and BV), is also a protein resource of high quality.