糌粑加工过程中稳定同位素指纹分馏效应分析
李继荣,张唐伟,次仁德吉,杨小俊,次顿

Fractionation Effect of Stable Isotopic Ratios in Tsamba Processing
JiRong LI,TangWei ZHANG,DeJi CIREN,XiaoJun YANG,Dun CI
表3 不同加工方式产糌粑样品稳定碳、氮、氧和氢同位素(平均数±标准差)
Table 3 Stable carbon, nitrogen, oxygen and hydrogen isotopes in tsamba by different methods (Mean±SD)
加工方式Processing method 样本量Sample size δ13C (‰) δ15N (‰) δ18O (‰) δD (‰)
水磨 Watermill 5 -24.73±0.68a 3.53±1.93a 19.08±3.01a -175.91±9.86a
电磨 Electric grinder 6 -24.55±0.21a 2.54±1.31a 17.98±3.44a -177.03±12.69a