Cyclodextrins have a toroidal or cone shape due to the lack of freely rotating bonds between
glucopyranose units and possess a hydrophilic outer surface and a hydrophobic inner cavity in which hydrophobic small guest molecules can reside.
The naturally occurring [alpha]-, [beta]-, and [gamma]-cyclodextrin consist of six, seven, and eight
glucopyranose units, respectively.
The classification is depending on amount of
glucopyranose units in a CD ring; [alpha]-, [beta]-, and [gamma]-CD have six, seven, and eight units, correspondingly [77].
The CA molecule consists primarily of three groups: anthraquinone chromophore, a
glucopyranose ring attached by a glycosidic linkage, and a carboxyl group (COOH).
Regarding this, preparing the precursor meant activating the cellulose component of biomass to the alkaline-cellulose form, by translating the surface -OH groups of
glucopyranose units into a more reactive -ONa groups using an alkaline agent.
According to the company, Trappsol Cyclo is a parenteral grade of hydroxypropyl beta cyclodextrin, a donut-shaped molecule comprised of seven
glucopyranose units.
(9-11) Cyclodextrins (CDs) are cyclic oligosaccharides consisting of several
glucopyranose units and are often described as truncated cone-shaped structures with a hydrophilic exterior surface and a hydrophobic interior cavity.
There are three natural cyclodextrins ([alpha]-, ([beta]-, and [gamma]-) comprised of six, seven, and eight
glucopyranose units, respectively, that have limited solubility in water.
carbohydrate products of dcgraded/microbial SOM are probably those that plot in the NW quadrant: furans (4-acetylfuran, 3/2furaldehyde and 5-methyl-2-furaldehyde),
glucopyranose, which is a microbial marker (Nierop et al.
PDB 2,5-Dihydroxy-3-undecyclohexa-2,5- diene-1,4,-dione; 1,2-ethanediol; beta- D-mannose; alpha-L-fucose; N-acetyl-D- glucosamine; 2-acetylamino-2-deoxy-A-D-
glucopyranose; ribose; acetic acid.