New Data on Food Consumption in Pre-Hispanic Populations from Northwest Argentina (ca. 1000–1550 A.D.): The Contribution of Carbon and Nitrogen Isotopic Composition of Human Bones

Table 4

𝛿¹³C and 𝛿¹⁵N for modern plants in the Calchaquí area. Carbon results were corrected for postindustrial enrichment.

Code lab	Material	𝛿^13C	𝛿^15N	C/N ratio
27626	Quinoa	−22.7	9	21.9
27627	Gourd	−21.5	7.1	11.4
27628	Squash	−24.5	6.1	16.7
27629	Sweet gourd	−26	8.2	11.3
27630	Red maize	−10	4.2	44.9
27631	Kiwicha	−10.8	14	18.7