Characterization of sericin powder prepared from citric acid-degraded sericin polypeptides of the silkworm, Bombyx mori

Characterization of sericin powder prepared from citric acid-degraded sericin polypeptides of the silkworm, Bombyx mori

Acid-degraded sericin powder (AC-SP) was prepared from aqueous solution containing citric acid-degraded sericin polypeptides of Bombyx mori. The morphological and biochemical properties of AC-SP were compared with those of alkali-degraded sericin powder (AL-SP) and hot-water degraded sericin powder...

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Veröffentlicht in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2004-04, Vol.68 (4), p.774-780
Hauptverfasser: Kurioka, A. (Silk Science Research Inst., Tokyo (Japan)), Kurioka, F, Yamazaki, M
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Biological and medical sciences
Bombyx - chemistry
BOMBYX MORI
Bombyx mori cocoon
Buffers
Chromatography, High Pressure Liquid
CITRIC ACID
Citric Acid - chemistry
COCOONS
Color
DEGRADATION
Detergents - pharmacology
Freeze Drying
Fundamental and applied biological sciences. Psychology
Hydrogen-Ion Concentration
MICROSCOPY
Microscopy, Electron, Scanning
Peptide Fragments - chemistry
Peptide Fragments - pharmacology
PEPTIDES
POWDERS
PROTEINS
sericin polypeptides
sericin powder
Sericins - chemistry
Sericins - pharmacology
Trypsin - metabolism
trypsin inhibitor
TRYPSIN INHIBITORS
Trypsin Inhibitors - isolation & purification
Trypsin Inhibitors - pharmacology
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Zusammenfassung:Acid-degraded sericin powder (AC-SP) was prepared from aqueous solution containing citric acid-degraded sericin polypeptides of Bombyx mori. The morphological and biochemical properties of AC-SP were compared with those of alkali-degraded sericin powder (AL-SP) and hot-water degraded sericin powder (HW-SP). Based on an SEM analysis, AC-SP showed a thin film structure of 10-100 μm with good dispersity while AL-SP and HW-SP had a much larger thin film structure (
ISSN:0916-8451
1347-6947
DOI:10.1271/bbb.68.774