酉阳油茶籽油营养安全品质、油茶含油率特征和立地土壤评价

李瑜, 张雨涵, 官开江, 鲍丽然

Evaluating the nutritional and safety quality of camellia oil, oil content of camellia oleifera fruits, and site soils in Youyang

LI Yu, ZHANG Yu-Han, GUAN Kai-Jiang, BAO Li-Ran

表7 研究区根系土重金属元素含量及环境质量特征

Table 7 Characteristics of environmental quality and contents of heavy metal elements of soil-in-root in the study area

元素 含量/10-6 比例/% 平均值 最小值 最大值 清洁 轻微超标 轻度超标 中度超标 重度超标 Cd 0.262 0.036 1.040 37 8 4 1 0 Hg 0.114 0.037 0.298 50 0 0 0 0 Pb 30.83 11.80 67.90 50 0 0 0 0 As 13.36 3.20 28.80 47 3 0 0 0 Cr 82.80 17.30 119.60 50 0 0 0 0 Cu 25.34 4.41 43.20 50 0 0 0 0 Zn 89.86 24.60 144.60 50 0 0 0 0 Ni 34.04 8.00 96.10 49 1 0 0 0 综合 37 8 4 1 0