Black Pepper Whole dried black pepper is produced by harvesting unripe green drupes from Piper nigrum vines, blanching briefly, and sun-drying for 7-10 days until shriveled and darkened, used as whole spice providing piperine (4-7%), volatile oils, and intense heat through gradual flavor compound release during grinding or cooking. In the food industry, it delivers consistent pungency, visual appeal in spice blends, and extended shelf life ideal for steak rubs, sausages, pickles, and table seasoning.