These are two readings obtained from carrots purchased from supermarkets or vegetable retailers. Yet one is more than double the other. Yet another example about how food tables are rather pointless as there is so much variation that they can't account for.
Reference: Zakaria et al Caroteniod bioavailability of vegetables and carbohydrate containing foods measured by retional accumulation in rat livers. Jounral of Food composition and analysis 2000 vol 13 pg 301
Ben-Amotz and Fishler. Analysis of carotenoids with emphasis on 9-cis beta-carotene in vegetables and fruits commonly consumed in Israel. Food Chemistry, Vol 62 pg 515 1998.
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