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2 糌粑加工过程中稳定碳、氮、氧和氢同位素(平均数±标准差)
Table 2 Stable carbon, nitrogen, oxygen and hydrogen isotopes in tsamba processing (Mean±SD)
材料Material 样本量Sample size δ13C (‰) δ15N (‰) δ18O (‰) δD (‰)
青稞Highland barley 11 -24.61 ±0.45a 2.84±1.2a 17.87±3.57a -176.2±15.67a
炒青稞Stir-frying highland barley 11 -24.71±0.41a 2.92±1.88a 16.63±3.39a -181.72±12.15a
糌粑Tsamba 11 -24.63±0.47a 2.99±1.62a 18.48±3.14a -176.52±10.94a