The phrase "to process the tomatoes" means to prepare or handle tomatoes in a particular way. It could involve activities like cleaning, peeling, slicing, canning, cooking, or turning them into a sauce. Full definition
While processed tomato products can be high in sodium, fresh tomatoes contain very little of this mineral. (healthyeating.sfgate.com)
One of the key challenges when processing tomato based products with direct steam injection is that the product can turn orange, an undesirable characteristic for consumers. (steaminfusion.oalgroup.com)
Also, when processing tomato based recipes, often there are problems with the product turning orange due to the over processing of tomato. (steaminfusion.oalgroup.com)