1933
DOI: 10.1002/cber.19330661232
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Über Lacto‐flavin (Vitamin B 2 )

Abstract: K u h n , R u d y , W a g n e r -J a u r e g g :[Jahrg. 66 ,388. R i c h a r d K u h n , H e r m a n n R u d y und T h e o d o r W a g n e r -J a u r e g g : Ober Lacto-flavin (Vitamin B,). ~A u s (1. E;niser-~~~ilhelm-Institut fur medizin. Forschung, Institut fur Chemie, Heidelherg (Eingeganjien am 2.3. r'-ovember 19.13.)Von den S ch w e r me t all-Ver b in d unge n de s I, a c t of 1 a v i n s , dessen Isolierung vor kurzem beschrieben wurde l), zeichnet sich, neben dem roten Silbersalz, eiiie Thallium(1) -V… Show more

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Cited by 81 publications
(9 citation statements)
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“…As in the case of riboflavin (13,14), this chloroform-soluble pigment with intense green fluorescence can be formed from uroflavin by photolysis of strongly alkaline solutions in the cold. Unfortunately, the procedure is at present of little practical use because of the difficulty experienced in obtaining quantitatively consistent conversions and the resulting necessity of control determinations (15,16). III.…”
mentioning
confidence: 99%
“…As in the case of riboflavin (13,14), this chloroform-soluble pigment with intense green fluorescence can be formed from uroflavin by photolysis of strongly alkaline solutions in the cold. Unfortunately, the procedure is at present of little practical use because of the difficulty experienced in obtaining quantitatively consistent conversions and the resulting necessity of control determinations (15,16). III.…”
mentioning
confidence: 99%
“…The fluorescence was partially regained, however, when the light-exposed virus was placed in the dark for several hours. Flavins are characterized in part by their instability in the presence of strong light (6). This reaction, known as photolysis, is greatly accelerated in an alkaline medium.…”
Section: Methodsmentioning
confidence: 99%
“…Er erkannte die ernährungsphysiologische Bedeutung des Stoffes jedoch nicht. [70,71] Seit den 1950er Jahren stehen biochemische Aspekte der Flavine im Fokus. Ernährungswis-senschaftler konnten in dem Extrakt zwei verschiedene Stoffe charakterisieren, den antineuritischen Faktor Vitamin B 1 und den Antipellagra-Faktor Vitamin B 2 .…”
Section: Geschichteunclassified
“…[71] Unter sauren Bedingungen wurde in Gegenwart von Alloxan Riboflavin in 16 % Totalausbeute erhalten. [71] Unter sauren Bedingungen wurde in Gegenwart von Alloxan Riboflavin in 16 % Totalausbeute erhalten.…”
Section: Chemische Riboflavinproduktionunclassified