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Anal Biochem. 1987 May 15;163(1):159-64.

Mechanized techniques for the selective extraction of enzymes from plant epidermal glands.


Many plant products are biosynthesized and accumulated in epidermal glands. For investigations on the metabolism of these compounds it is most convenient to obtain cell-free preparations enriched in gland contents. Two simple mechanized procedures have been developed for gently abrading the plant surface in order to efficiently extract glandular enzymes in high purity. These methods allow rapid processing of large quantities of plant material and yield extracts largely uncontaminated with materials from underlying tissue. The use of these procedures for isolating several enzymes of terpenoid metabolism is described. These techniques work especially well for microsomal enzymes and may be useful not only for enzymes found in epidermal glands but also for other enzymes localized in or near the epidermis. With simple modification, these procedures can be adapted for use with a variety of different types of plant tissues.

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