当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Circular dichroism of the non-enzymatic browning products of poly-L-lysine and albumin.

Circular dichroism of the non-enzymatic browning products of poly-L-lysine and albumin.

Abstract：

:Poly-L-lysine (PLL) and bovine serum albumin were used as models in the investigation of non-enzymatic glycation and browning reaction by circular dichroism measurements. Different sugars (glucose, glucose-6-P and ribose) induced different extents of reaction and produced different chromophores that absorbed light in the near u.v. region. All glycated samples gave a common spectral feature in absorption and blue fluorescence, but they gave distinctly different near u.v. c.d. features, indicating that the browning products containing yellow chromophores are different for glycated samples and may have rigid moieties. The ribocated PLL (at pH 11.0, alpha-helix) and albumin were unable to convert completely to beta-conformation upon heating, indicating that browning reaction may have changed the tertiary structure.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Liang JN

doi

10.1016/0141-8130(90)90009-y

subject

Has Abstract

pub_date

1990-08-01 00:00:00

pages

273-7

issue

4

eissn

0141-8130

issn

1879-0003

pii

0141-8130(90)90009-Y

journal_volume

12

pub_type

杂志文章

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