Maltose oligosaccharides

The relative efficiencies of the malto-oligosaccharides, maltose to maltooc-taose, as acceptors were determined for Leuc. mesenteroides B-512FM dextransu-... 

Enzymatic hydrolysis of polysaccharides (cellulose, starch) or oligosaccharides (maltose, saccharose, lactose) for the synthesis of food products is another class of processes MBR have been applied to. Paolucci-Jeanjean et al [4.56] have recently reported, for example, the production of low molecular weight hydrolysates from the reaction of cassava starch over a-amylase. In this case the UF membrane separates the enzyme and substrate from the reaction products for recycle. Good productivity without noticeable enzyme losses was obtained. Houng et al [4.57] had similar good success with maltose hydrolysis using the same type of MBR,... 

The preparation of 6-mn GlcNAc-, Glc-, Gal-, and Man-displaying CdTe QDs was also aehieved by surfeee exchange in water fi om MPA to the thiol-ended neoglyco-conjugates. Using the same protocol, oligosaccharides (maltose, maltotriose, cello-triose, and panose) were also incorporated into CdTe QDs. " ... 

Carbohydrates Carbohydrates are a major source of energy for humans and are present in all foods (grains, vegetables, fruits, and milk), and vary in form from simple monosaccharides (fructose, glucose, galactose, sorbitol) to oligosaccharides (maltose, sucrose, lactose, raffinose, stachyose, ver-bascose), and more complex polysaccharides (starch, cellulose, etc.). 

Fig. 1 (A) Chromatographic separation of sugars. Track 1 fructose, 2 sucrose, 3 glucose, 4 mixture of the substances in tracks 1-3, 5 mixture of substances in tracks 1-3 and 6, 6 Fructo-oligosaccharides, 7 1-kestose, 8 mixture of glucose, maltose, maltotriose and maltotetraose. (B) Absorption scan of track 5 with 200 ng each substance per chromatogram zone 1 = fructosyl-nystose, 2 = nystose, 3 = 1-kestose, 4 = fructose, 5 = sucrose, 6 = glucose.

Arabinose, fructose, galactose, glucose, maltose, mannose, mucilages of various compositions, oligosaccharides, raffinose, rhamnosc, ribose, sucrose, xylose Amino acids... 

The final product concentration depends significantly on the ratio of substrate and acceptor. The first acceptor product (panose in the presence of maltose) is favored at high maltose in excess, further tetra- and pentasaccharides are formed in significant amounts.37 Thus isomalto-oligosaccharides (IMOS) can be produced in good yield under appropriate reaction conditions (see Section III). 

F. Paul, E. Oriol, D. Auriol, and P. Monsan, Acceptor reaction of a highly purified dextransucrase with maltose and oligosaccharides. Application to the synthesis of controlled molecular weight dextrans, Carbohydr. Res., 149 (1986) 433-441. 

The thermodynamics of the maltose-binding protein of E. coli (MalE) have been studied using both DSC and ITC.117 This protein is a periplasmic component of the transport system for malto-oligosaccharides and is used widely as a carrier... 

Amylase, the most important endoglyco-sidase in the pancreas, catalyzes the hydrolysis of al 4 bonds in the polymeric carbohydrates starch and glycogen. This releases maltose, maltotriose, and a mixture of other oligosaccharides. 

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