The composition and stability constant of a UO2(II)-rutin complex in 70% ethanol were determined by suitable spectrophotometric methods and pH measurement. UO2(II) ion and rutin (3,3',4',5,7-pentahydroxyflavone-3-rhamnoglucoside) form a 1:1 complex in which the UO2(II) ion is linked to rutin through the carbonyl and 5-hydroxyl group. The concentration stability constant of the complex, log beta(1), ranged from 6.57 at pH 4.00 to 4.72 at pH 7.00. Conditions for spectrophotometric determination of rutin, by complex formation with UO2(II) ion, were investigated. Beer's law was obeyed in the concentration range from 1.0 x 10(-5) to 2.0 x 10(-4) M for rutin. Determination of rutin in Rutinion forte tablets was demonstrated.
Source:
Journal of Agricultural and Food Chemistry, 1998, 46, 12, 5139-5142
TY - JOUR
AU - Kuntić, Vesna
AU - Malešev, Dušan
AU - Radović, ZV
AU - Kosanić, MM
AU - Mioč, Ubavka B.
AU - Vukojević, Vladana
PY - 1998
UR - http://farfar.pharmacy.bg.ac.rs/handle/123456789/189
AB - The composition and stability constant of a UO2(II)-rutin complex in 70% ethanol were determined by suitable spectrophotometric methods and pH measurement. UO2(II) ion and rutin (3,3',4',5,7-pentahydroxyflavone-3-rhamnoglucoside) form a 1:1 complex in which the UO2(II) ion is linked to rutin through the carbonyl and 5-hydroxyl group. The concentration stability constant of the complex, log beta(1), ranged from 6.57 at pH 4.00 to 4.72 at pH 7.00. Conditions for spectrophotometric determination of rutin, by complex formation with UO2(II) ion, were investigated. Beer's law was obeyed in the concentration range from 1.0 x 10(-5) to 2.0 x 10(-4) M for rutin. Determination of rutin in Rutinion forte tablets was demonstrated.
PB - Amer Chemical Soc, Washington
T2 - Journal of Agricultural and Food Chemistry
T1 - Spectrophotometric investigation of uranil(II)-rutin complex in 70% ethanol
VL - 46
IS - 12
SP - 5139
EP - 5142
DO - 10.1021/jf980376k
UR - conv_1173
ER -
@article{
author = "Kuntić, Vesna and Malešev, Dušan and Radović, ZV and Kosanić, MM and Mioč, Ubavka B. and Vukojević, Vladana",
year = "1998",
abstract = "The composition and stability constant of a UO2(II)-rutin complex in 70% ethanol were determined by suitable spectrophotometric methods and pH measurement. UO2(II) ion and rutin (3,3',4',5,7-pentahydroxyflavone-3-rhamnoglucoside) form a 1:1 complex in which the UO2(II) ion is linked to rutin through the carbonyl and 5-hydroxyl group. The concentration stability constant of the complex, log beta(1), ranged from 6.57 at pH 4.00 to 4.72 at pH 7.00. Conditions for spectrophotometric determination of rutin, by complex formation with UO2(II) ion, were investigated. Beer's law was obeyed in the concentration range from 1.0 x 10(-5) to 2.0 x 10(-4) M for rutin. Determination of rutin in Rutinion forte tablets was demonstrated.",
publisher = "Amer Chemical Soc, Washington",
journal = "Journal of Agricultural and Food Chemistry",
title = "Spectrophotometric investigation of uranil(II)-rutin complex in 70% ethanol",
volume = "46",
number = "12",
pages = "5139-5142",
doi = "10.1021/jf980376k",
url = "conv_1173"
}
Kuntić, V., Malešev, D., Radović, Z., Kosanić, M., Mioč, U. B.,& Vukojević, V.. (1998). Spectrophotometric investigation of uranil(II)-rutin complex in 70% ethanol. in Journal of Agricultural and Food Chemistry
Amer Chemical Soc, Washington., 46(12), 5139-5142.
https://doi.org/10.1021/jf980376k
conv_1173
Kuntić V, Malešev D, Radović Z, Kosanić M, Mioč UB, Vukojević V. Spectrophotometric investigation of uranil(II)-rutin complex in 70% ethanol. in Journal of Agricultural and Food Chemistry. 1998;46(12):5139-5142.
doi:10.1021/jf980376k
conv_1173 .
Kuntić, Vesna, Malešev, Dušan, Radović, ZV, Kosanić, MM, Mioč, Ubavka B., Vukojević, Vladana, "Spectrophotometric investigation of uranil(II)-rutin complex in 70% ethanol" in Journal of Agricultural and Food Chemistry, 46, no. 12 (1998):5139-5142,
https://doi.org/10.1021/jf980376k .,
conv_1173 .
