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ARS Home » Midwest Area » Peoria, Illinois » National Center for Agricultural Utilization Research » Crop Bioprotection Research » Research » Publications at this Location » Publication #69947


item Gardner, Harold

Submitted to: Journal of the American Oil Chemists' Society
Publication Type: Review Article
Publication Acceptance Date: 8/8/1996
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: This review of lipoxygenase and lipoxygenase pathway enzymes focuses on the potential for the efficient production of useful compounds. Although the existence of lipoxygenase has been known for many years, only recently has there been progress toward understanding the conditions required to improve yields and immobilize its activity. Maintaining a high O2 tension is necessary to obtain good yields of hydroperoxides; whereas, partial anaerobic conditions can lead to hydroperoxide decomposition. Fatty hydroperoxides obtained from lipoxygenase action can serve as precursors for further transformation by either enzymes or chemical reactions. Well over one hundred products from lipoxygenase-generated hydroperoxides of linoleic acid alone have been described. Examples will be given of the formation of fatty acids with epoxide, hydroxy, ketone, cyclic, and multiple functional groups. The cleavage of fatty hydroperoxides into short chain aldehydes and alcohols will also be described. Many of the products have biological activity suggesting a significant physiological function for lipoxygenase, and these functions suggest potential uses.