41.   This is caused by the thin, membranelike skin of the nutmeat, which like the skins of red wine grapes, contains tannin, a bitter organic compound.

42.   Unwelcome rain arrived throughout the state in the middle of harvest and, for the first time, in years, botrytis was found on red grapes.

43.   Zinfandel is genetically identical to primitivo, a southern Italian red grape, so you may as well drink an Apulian red at your barbecue on Wednesday.

44.   Grape pickers slowly zigzag uphill, rummaging among the green and yellow vine leaves, snipping off heavy bunches of dark red grapes and placing them carefully in buckets.