Analysis of Nutritional Composition of the Blood in Bactrian Camels
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Abstract:
This experiment aimed to determine and evaluate the nutrient content and hematological parameters of the blood in Bactrian camels (camel blood). The total protein content of the blood in Alashan Bactrian camel was determined using BCA protein concentration kit. The contents of amino acids, fatty acids and minerals in the blood were determined by liquid chromatography and mass spectrometry. The blood parameters were measured using an automatic blood cell analyzer. The results showed that the total protein content of camel blood was 78.45%±1.49%. There were 34 amino acids after the hydrolysis of camel blood, with the lysine content being the highest (27.82±1.86 g/L), followed by arginine (23.60±4.17 g/L) and aspartic acid (22.41±1.26 g/L). The essential amino acids in camel blood accounted for 41.01% of the total amino acids, with the ratio of essential amino acids to non-essential amino acids as 0.69, which conforms to the reference protein pattern proposed by FAO/WHO. A total of 19 fatty acids were detected in camel blood, and among which, glutaric acid had the highest content (1900.70±571.02 μg/mL), followed by oleic acid (1342.00±194.12 μg/mL) and eicosapentaenoic acid (11.22±5.24 μg/mL, the lowest). The saturated fatty acids accounted for 60.89% of all the fatty acids in camel blood, and monounsaturated and polyunsaturated fatty acids were responsible for 21.32% and 17.05%, respectively, with long chain, medium chain and odd carbon fatty acids accounting for 47.50%, 52.50%, and 36.13%, respectively. The camel blood was rich in all kinds of minerals needed by the human body, among which the content of sodium was the highest (5300±2300 mg/kg), followed by potassium (1600±100 mg/kg), iron (452.00±35.75 mg/kg), phosphorus (300±20 mg/kg), calcium (90.71±6.03 mg/kg), magnesium (39.40±2.26 mg/kg), zinc (12.43±1.17 mg/kg), copper (0.65±0.06 mg/kg), manganese (54.78±12.32 μg/kg) and chromium (10.21±0.89 μg/kg). The contents of red blood cells, white blood cells and hemoglobin in camel blood were higher than those of cattle and sheep, and the distribution of immune cells was also inconsistent with that for most livestock.
