Effect of storage time, temperature and solvent on the stability of sterigmatocystin standard solutions

Versilovskis, A., Latvia Univ. of Agriculture, Jelgava; Mikelsone, V., Latvia Univ. of Agriculture, Jelgava

Effect of storage time, temperature and solvent on the stability of sterigmatocystin standard solutions

2008

Versilovskis, A., Latvia Univ. of Agriculture, Jelgava (Latvia) | Mikelsone, V., Latvia Univ. of Agriculture, Jelgava (Latvia)

The influence of solvent, storage time and temperature on the stability of the mycotoxin sterigmatocystin (STC) was investigated. STC calibrants (1.0 μg mlE-1) in acetonitrile, methanol and mixture of acetonitrile and methanol (50:50, volume/volume) were stored in dark glass bottles at (– 25), 4 and 25 °C for up to 8 weeks. Samples were analysed by high performance liquid chromatography (HPLC) with ultraviolet (UV) detection. Obtained results indicate that more suitable solvents for storage of STC standard solutions at (–25 °C) are acetonitrile and mixture of acetonitrile and methanol (50:50, v/v), but not longer than for one week; for storage at 4 °C more suitable is mix of acetonitrile and methanol, but not longer than for one week.

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Mots clés AGROVOC

chemicophysical properties chromatographie chromatography cromatografia estabilidad esterigmatocistina latvia letonia lettonie micotoxinas mycotoxine mycotoxins recherche research solution solutions solvant solventes solvents stabilite stability sterigmatocystin

Informations bibliographiques

Publié dans

Research for Rural Development. International Scientific Conference Proceedings (Latvia)

Numéro 14 ISSN 1691-4031

Editeur

LLU

Pagination

p. 291-295

D'autres materias

Propriete physicochimique; Investigacion; Propiedades fisicoquimicas; Sterigmatocystine; Solucion

Langue

anglais

Note

Summary (En)

Creator variant: Veršilovskis, A., Miķelsone, V.

3 fig., 16 ref.

Type

Conference; Summary

Source

Research for Rural Development 2008. International Scientific Conference Proceedings, Jelgava, Latvia, Gaile, Z. et al..- Jelgava (Latvia): LLU, 2008. International Scientific Conference: Research for Rural Development 2008, 14, Jelgava (Latvia), 21-23 May 2008.- p. 291-295

Conférence

International Scientific Conference: Research for Rural Development 2008, 14, Jelgava (Latvia), 21-23 May 2008

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