In brief
The yellowish interior and solid structure help to distinguish it when buying.
Useful to know
Brucva, also called yellow radish, is a different product from small white turnips. Iowa State describes a yellow fleshy part and a pelt with yellow and purple sections. When selected, it looks for a hard root, not a soft or visibly damaged one. [1]
Before following a recipe, check what kind of vegetable you actually have. Similar trade names can lead to the purchase of another product, and hence to a different result. For the specific preparation, use directions designed for brunch.
In a mixed vegetable dish, first decide on the desired shape and texture, then cut. A large root can give more than one portion, so plan on using the remainder as well. Here the goal is to recognize the description of the product in the store without equating it with each turnip or making a botanical determination of one color.
Sources
For further detail and to check the information: