B-type pattern

Brown et al.238 reported that starch granules from 18- and 24-day-old su2 kernels are weakly birefringent and have an A-type x-ray pattern (Table 3.4), in contrast to the B-type pattern reported for starch granules from mature su2 kernels.360,387 The BEPT of su2 granules is lower than that of normal granules (Table 3.4).359,388 Based... 

Amylodextrins from waxy-maize starch (A type) and potato starch (B type) retain the same diffraction pattern as that of the parent starch. On separation of a starch to give an amylodextrin, the... 

Proanthocyanidins of the B-type are characterized by singly linked flavanyl units, usually between C-4 of the chain-extension unit and C-6 or C-8 of the chain-terminating moiety. They are classified according to the hydroxylation pattern of the chain-extension units (see T able 11.1). 

Jane, J. L., Wong, K. S., McPherson, A. E. (1997). Branch-structure difference in starches of A- and B-type X-ray patterns revealed by their Naegeli dextrins. Carbohydr. Res., 300,219-227. 

Figure 10.15. Some mixers and blenders for powders and pastes, (a) Ribbon blender for powders, (b) Flow pattern in a double cone blender rotating on a horizontal axis, (c) Twin shell (Vee-type) agglomerate breaking and liquid injection are shown on the broken line, (d) Twin rotor available with jacket and hollow screws for heat transfer, (e) Batch muller. (f) Twin mullers operated continuously, (g) Double-arm mixer and kneader (Baker-Perkins Inc.), (h) Some types of blades for the double-arm kneader (Baker—Perkins Irtc.).

Fig. 22 Snapshot illustrating a typical conformation of 512-unit copolymer chain synthesized near a patterned surface in the strong adsorption regime. Chain segments of A and B type are shown as dark gray and light gray sticks, respectively. Spheres depict adsorption sites...

Figure 1.184 Dilution-type experiment using blue- and yellow-colored streams for visualization fo the flow patterns during mixing, (a) Flow-pattern image of the entire mixer device, (b) Flow-pattern image of the first two mixing units for 1 pi min-1, (c) Flow pattern image of the first two mixing units for 100 pi min-1 [55] (by courtesy of Kluwer Academic Publishers).

Starch granules from ae kernels have a much higher BEPT than normal or the other mutants (Table 3.4). Also, based on 14 genotypes studied, the B-type x-ray diffraction pattern appears to be unique to ae and ae -containing genotypes (Table 3.4). 

Figure 5.4 X-ray powder diffractogram recorded for (a) A-type amylodextrins and (b) B-type amylodextrins grown as spherulites. X-ray fiber diffraction patterns (fiber axis vertical) for (c) A-amylose (fiber spacing 1.04 nm) and (d) B-amylose (fiber spacing 1.05 nm). (Reproduced with permission from references 30 and 31). Microcrystal of (e) A-starch and (f) B-starch observed by low dose electron microscopy. Inset the electron diffraction diagrams recorded under frozen wet conditions (e). (Reproduced with permission from references 32 and 34)...

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