But inspectors look even closer. If the color of these grapes matches categories three or four on this color card, then just one bunch could sell for $90 to $450. But size and color are just two ...

Mercadona, one of Spain's largest grocery chains, advertised four ways to purchase grapes for the occasion. Natural bunch grapes with seeds from Alicante add "an element of fun to the tradition of ...

The next time you buy a bunch of red (officially black) grapes, peel off the skin and you will see that the flesh is almost colourless. Red wine gets its colour from a pigment known as anthocyanin ...