Stabilization of aqueous solutions of riboflavinS. Astanov; A. S. Prishchepov; B. D. Zaripov; E. K. Pil'ko · 1990

Optical and spectral characteristics of 3-rhamnoglycosyl-3,5,7,3′,4′-pentahydroxyflavoneS. Astanov; A. S. Prishchepov; B. É. Niyazkhonova · 1991

Optical activity, linear anisotropy, and absorption of rutin solutions in polar solventsS. Astanov; A. S. Prishchepov; B. É. Niyazkhonova · 1991

Spectral and optical characteristics of associates of indigo carmine and tartrazine in solutionsA. S. Prishchepov; S. Astanov; B. É. Niyazkhonova · 1990

Application of polarization methods to the detection of “latent” absorption bands of a food colorS. Astanov; A. S. Prishchepov; S. G. Prokopenko · 1999

Absorption properties and optical anisotropy of Cu-etioporphyrin and γ-formylmesoporphyrin in water-containing solvent mixturesA. S. Prishchepov; S. Astanov · 1992