Detail of "21291-40-7"

CAS Number:
21291-40-7
Name:
L-Lysine,N6-(1-deoxy-D-fructos-1-yl)-
Molecular Structure:
Formula:
C12H24 N2 O7
Molecular Weight:
0
Synonyms:
D-Fructose,1-[(5-amino-5-carboxypentyl)amino]-1-deoxy-, (S)-; Fructose,1-[(L-5-amino-5-carboxypentyl)amino]-1-deoxy-, D- (8CI); 1-Deoxy-1-(e-N-L-lysino)-D-fructose;Fructoselysine; Fructosyllysine; Ne-(1-Deoxy-D-fructos-1-yl)-L-lysine; e-Fructoselysine; e-N-Deoxyfructosyllysine
Density:
1.386g/cm³
Boiling Point:
654.5°Cat760mmHg
Flash Point:
349.6°C

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Isolation and identification of Amadori compounds from soy sauce: Hashiba, Hironaga (Noda Inst. Sci. Res., Noda, Japan). Agric. Biol. Chem., 42(4), 763-8 (English) 1978. CODEN: ABCHA6. ISSN: 0002-1369. DOCUMENT TYPE: Journal CA Section: 17 (Foods) Amadori compds. were isolated from soy sauce by ion exchange, gel filtration, and paper chromatog. Five Amadori compds., fructose-glycine [21291-40-7], fructose-alanine [16124-24-6], fructose-valine [10003-64-2], fructose-isoleucine [34393-17-4] and fructose-leucine [34393-18-5], were identified and their concn. in soy sauce was estd. to be ~0.2, ~0.3, ~1.2, ~1.3, and ~1.5 mM, resp. The Amadori compds. exhibited marked browning in the presence of O and Fe, but darkened very little without O or Fe. Amino acids promoted the oxidative browning of the Amadori compds.

The effect of lysinoalanine and e-fructosyl lysine on kidney, liver and urine trace elements in the rat: The effect of lysinoalanine and e-fructosyl lysine on kidney, liver and urine trace elements in the rat. Furniss, Diane E.; Hurrell, R. F.; De Weck, Daniele; Finot, P. Andre (Res. Dep., Nestle Prod. Tech. Assist. Co. Ltd., La Tour-de-Peilz CH-1814, Switz.). Trace Elem. Man Anim. -- TEMA 5, Proc. Int. Symp., 5th, Meeting Date 1984, 544-6. Edited by: Mills, C.Several substances with their cas registry numbers 7440-66-6 and 7439-89-6 may be metioned in this study. F.; Bremner, I.; Chesters, J. K. CAB: Farnham Royal, Slough, UK. (English) 1985. CODEN: 55DSAX. DOCUMENT TYPE: Conference CA Section: 17 (Food and Feed Chemistry) Section cross-reference(s): 4 Rats showed decreased kidney Fe when given feed high in LD-lysinoalanine [105450-71-3], LL-lysinoalanine [17043-71-9], or fructosyl lysine [21291-40-7], and increased kidney Zn when given LL-lysinoalanine. The LD isomer increased kidney Cu. Liver Cu and Zn were not affected by the compds. Urinary Fe and Zn were increased by LD-lysinoalanine and urinary Zn was increased by protein-bound fructosyl lysine. Urinary Cu was moderately high in all exptl. rats. The chelating properties of the compds. may be responsible for these changes in the trace elements. .