It's one of those things that's obvious if you think about it, but still blew my mind when I read about orange juice being blended like wine with various oils,

It's one of those things that's obvious if you think about it, but still blew my mind when I read about orange juice being blended like wine with various oils, etc to ensure consistency throughout the year and across huge production scale. Probably the subliminal advertising image of the straw straighy into an orange from childhood.