In California, Sultana ( known there as Thompson Seedless ) grapes are sometimes diverted from the raisin or table market to produce white juice.

Seedless varieties include the sultana ( also known as Thompson Seedless in the USA ) and Flame grapes.

Depending on the market for wine and table grapes, low quality wine may contain some grapes that could also be sold as table grapes, particularly Thompson Seedless.

Red grapes: Flame Seedless,

Seedless grape varieties were developed to appeal to consumers, but researchers are now discovering that many of the healthful properties of grapes may actually come from the seeds themselves, thanks to their enriched phytochemical content.

Sultana ( Thompson Seedless ) grapes

Seedless grapes are divided into white, red and black types based roughly on fruit color.

Some black cultivars are ' Black Beauty ', ' Black Monukka ', ' Concord Seedless ', ' Glenora ' and ' Thomcord.