Mineral Element Contents in Different Organs of Cattle from Different Regions Evaluated using ICP-MS
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Abstract:
The effects of different environmental factors on enrichment of mineral elements in different organs of cattle were analyzed, and the nutritional value of different types of beef were evaluated. Using inductively coupled plasma mass spectrometry, ten mineral elements were analyzed in different organ samples of three species of cattle, namely yaks in Nagqu and Lhasa as well as yellow cattle in Guangzhou. The enrichment levels of trace elements in cattle were comprehensively evaluated by comparing the elemental contents in beef from Nagqu, Lhasa, and Guangzhou, each representing a unique geographical environment. Samples from Naqu, Lhasa, and Guangzhou showed significant differences. The highest calcium content was found in the tripe (455.33~700.25 mg/kg). The highest potassium content was detected in the muscle, ranging from 4 000.46 to 3 650.86 mg/kg. The potassium content of yak meat from the Nagqu region was significantly higher than that of the yak meat from Lhasa and Guangzhou. The sodium content in the muscle was relatively low, ranging from 580 to 698 mg/kg. The sodium content in the muscle of cattle in the Guangzhou area was significantly higher than that in yak meat from the Tibetan area. The magnesium contents in the muscle, heart, and liver were significantly higher than those in the kidney, tripe, and lung. Beef from the Naqu area showed the highest iron content (127.51 mg/kg). The maximum zinc content in the muscle was 170.56~185.56 mg/kg. The highest copper content was detected in the liver, ranging from 11.65 to 16.31 mg/kg. Overall, the mineral elements in different organs of cattle in the Naqu area were higher than those in cattle from the Lhasa and Guangzhou areas. Some major and trace mineral elements widely vary in beef from different origins, which can be used as an index for fingerprint and traceability analysis of meat.
