Here is an interesting article describing studies to determine the contents of ancient containers from the Bronze Age Indus Valley civilization in modern-day Pakistan and northwest India from 2600 to 2000 BCE.     The findings can be used to further understand ancient trade routes:  https://www.heritagedaily.com/2022/03/scientists-analyse-traces-of-ingredients-in-5300-to-4000-year-old-cooking-vessels/143098?amp   There was a previous thread about a similar