Gelatin

Babel, Wilfried; Schulz, Dieter; Giesen-Wiese, Monika; Seybold, Uwe; Gareis, Herbert; Dick, Eberhard; Schrieber, Reinhard; Schott, Annelore; Stein, Winfried

doi:10.1002/14356007.a12_307

Cited by 4 publications

(6 citation statements)

References 6 publications

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“…It is a high molecular weight polypeptide obtained by the partial hydrolysis of collagen. Collagen is distinctive among proteins because it contains an unusually high level of two cyclic amino acids, hydroxyproline and proline (Babel et al, 2000; Rose, 1987). One of the important properties of gelatin is the thermally reversible gel formation.…”

Section: Introductionmentioning

confidence: 99%

“…One of the important properties of gelatin is the thermally reversible gel formation. This is a relatively unique feature among proteins (Babel et al, 2000; Rose, 1987).…”

Section: Introductionmentioning

confidence: 99%

“…For now, gelatin is mainly produced in the conventional way. Outside the United States, cattle bones are one of the most important sources for collagen (Babel et al, 2000). Before the hydrolysis of collagen in the bones, all noncollagen compounds have to be removed.…”

Section: Introductionmentioning

confidence: 99%

“…First, the bones are cleaned, degreased, dried, classified by size, and crushed. The resulting bone particles are contacted with a dilute acid, usually hydrochloric acid (Babel et al, 2000; Makarewicz et al, 1980), to remove the mineral salts. The principal noncollagen component of the bone matrix is the mineral salt tricalcium phosphate [Ca 3 (PO 4 ) 2 ], but also calcium carbonate (CaCO 3 ) is present (Makarewicz et al, 1980).…”

Section: Introductionmentioning

confidence: 99%

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Expression of the myelin and oligodendrocyte progenitor marker sulfatide in neurons and astrocytes of adult rat brain

Pernber

Molander-Melin

Berthold

et al. 2002

J of Neuroscience Research

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Sulfatide is a myelin component of the central (CNS) and peripheral nervous system (PNS) and is used extensively to identify oligodendrocyte progenitor cells. We have explored sulfatide expression in CNS gray matter (cerebellum, cerebral cortex, and hippocampus) and the PNS in adult rats using an anti-sulfatide antibody (Sulph I) and confocal microscopy. Biochemical analyses revealed two Sulph I antigens, sulfatide and seminolipid; sulfatide was present at about five times higher concentration, and the affinity of Sulph I for sulfatide was 2.5 times higher than that for seminolipid. Thus sulfatide was considered the dominant antigen. We found Sulph I immunostaining, in addition to that in myelinated areas in subpopulations of astrocytes and neurons. Astrocyte Sulph I staining was localized to the cell bodies and in some cases also to the processes. In the cerebellum, some Sulph I-positive astrocytes corresponded to Golgi epithelial cell bodies. We also found Sulph I staining in neuronal cell bodies, which in some neurons was clearly localized to the cytoplasm and in others to the nuclear membrane. Sulph I immunostaining in the PNS was located in the myelin sheath and paranodal end segments. These results demonstrate the expression of sulfatide in cell types other than oligodendrocytes and Schwann cells, showing that sulfatide is not a selective marker for adult oligodendrocyte progenitor cells. Moreover, these findings show that sulfatide is localized also to intracellular compartments and indicate that other roles of sulfatide in astrocytes and neurons, compared to myelin, might be considered.

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Section: Introductionmentioning

confidence: 99%

“…One of the important properties of gelatin is the thermally reversible gel formation. This is a relatively unique feature among proteins (Babel et al, 2000; Rose, 1987).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Expression of the myelin and oligodendrocyte progenitor marker sulfatide in neurons and astrocytes of adult rat brain

Pernber

Molander-Melin

Berthold

et al. 2002

J of Neuroscience Research

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“…Previous work on this subject is not conclusive. In fact, several publications explain the variation in physicochemical properties in terms of amino-acid composition, raw material, or the nature of the process[ 1 , 7 , 32 , 33 ]. In addition, most previous work focuses on primary chains to study the physicochemical properties [ 8 , 14 ].…”

Section: Resultsmentioning

confidence: 99%

Physicochemical characterization and study of molar mass of industrial gelatins by AsFlFFF-UV/MALS and chemometric approach

et al. 2018

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Industrial gelatins have different physicochemical properties that mainly depend of the raw materials origin and the extraction conditions. These properties are closely related to the molar mass distribution of these gelatins. Several methods exist to characterize molar mass distribution of polymer, including the Asymmetrical Flow Field Flow Fractionation method. The goal of this study is to analyze the relationship between physicochemical properties and the gelatins molar mass distribution obtained by Asymmetrical Flow Field Flow Fractionation. In this study, 49 gelatins samples extracted from pig skin are characterized in terms of gel strength and viscosity and their molar mass distribution are analyzed by Asymmetrical Flow Field Flow Fractionation coupled to an Ultraviolet and Multi Angle Light Scattering detector. This analytical method is an interesting tool for studying, simultaneously, the primary chains and the high-molar-mass fraction corresponding to the polymer chains. Correlation analysis between molar mass distribution data from the different fractions highlights the importance of high molar mass polymer chains to explain the gel strength and viscosity of gelatins. These results are confirmed by an additional chemometric approach based on the UV absorbance of gelatin fractograms to predict gel strength (r2Cal = 0.85) and viscosity (r2Cal = 0.79).

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Using near-infrared spectroscopy to determine moisture content, gel strength, and viscosity of gelatin

et al. 2021

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Gelatin

Abstract: The article contains sections titled: 1. Introduction 2. Structure and Properties … Show more

Cited by 4 publications

References 6 publications

Expression of the myelin and oligodendrocyte progenitor marker sulfatide in neurons and astrocytes of adult rat brain

Expression of the myelin and oligodendrocyte progenitor marker sulfatide in neurons and astrocytes of adult rat brain

Physicochemical characterization and study of molar mass of industrial gelatins by AsFlFFF-UV/MALS and chemometric approach

Using near-infrared spectroscopy to determine moisture content, gel strength, and viscosity of gelatin

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