Figure 3 Plot of the δ13C values for C16:0 and C18:0 extracted from sherds. (IMAGE)

Science China Press

Figure 3 Plot of the δ13C values for C16:0 and C18:0 extracted from sherds.

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(a) δ13C16:0-δ13C18:0, the confidence ellipses represent non-ruminant (porcine) adipose fat, ruminants (sheep/goats, cattle) adipose fat and dairy fat from top to bottom, respectively, based on modern animals fed on C3 plants; (b) Δ13C=δ13C18:0−δ13C16:0, the two lines correspond to Δ=−0.3‰ and Δ=−3.3‰, respectively.

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