Once broken from the bulb, individual cloves will keep from 3 to 10 days. Garlic is usually peeled before use in recipes. Crushing, chopping, pressing or pureeing garlic releases more of its essential oils and provides a sharper, more assertive flavor than slicing or leaving it whole. Garlic is readily available in forms other than fresh. When dehydrated garlic flakes are ground, the result is garlic powder .
Garlic salt is garlic powder blended with salt and a moisture-absorbing agent.
Garlic extract and garlic juice are derived from pressed garlic cloves. One unfortunate side effect of garlic is that, because its essential oils permeate the lung tissue, it remains with the body long after it's been consumed, affecting breath and even skin odor. Chewing chlorophyll tablets or fresh parsley is helpful but, unfortunately, modern-day science has yet to find the perfect antidote for residual garlic odor.