DBE in rice endosperm could be classified as isoamylase (ISA, EC: 184.108.40.206) and pullulanase (PUL, also called limit- dextrinase or R-enzyme, EC: 220.127.116.11) in term of their amino acid sequences and the substrate specificities catalyzed enzymatically sites.
Antisense downregulation of the barley limit dextrinase inhibitor modulates starch granule size distribution, starch composition and amylopectin structure.
Alpha-amylase, beta-amylase, R-enzyme, pullulanase, iso-amylase or alpha-limit dextrinase are produced by the rumen microorganisms.
Debranching enzymes (R-enzyme, pullulanase, iso-amylase, or alphalimit dextrinase) a.re necessary to break these bonds (Clark and Bauchop, 1977).
The joint amylolytic activity of primarily BA and AA (Arends et al., 1995), but also limit dextrinase
, and [alpha]-glucosidase is termed diastatic power, one of the major malting quality parameters in barley (Bamforth and Barclay, 1993).