The present invention provides beverage preservative systems and beverage products comprising the beverage preservative systems. The beverage preservative system prevents spoilage by microorganisms in a beverage within a sealed container for a period of at least 16 weeks. The present invention reduces or eliminates the use of conventional preservatives that pose health and/or environmental concerns. In particular, the present invention is directed to a beverage product which comprises a cyclodextrin-antimicrobial complex.