Just like red wine flavor profiles, there are many elements to consider when trying to determine the flavor profile of a white wine. And, also just like red wines, white wine flavor profiles will differ by region and winemaking styles. Just think about Sauvignon Blanc. One from California will taste extremely different than one from New Zealand.
Many of the same factors that come into play for red wine also impact white wine flavor profiles, like fruit, floral notes, body, and herbaceousness. However, there are a few different characteristics you will need to be on the lookout for as well.
Essentially, when tasting a white wine, there are 9 different elements that you can look for to determine its flavor profile: