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A study of the preparation of propolis extracts and its applications

Ciencia e Tecnologia de Alimentos 18(3): 313-318

A study of the preparation of propolis extracts and its applications

Ethanolic extracts of propolis were studied using UV spectrophotometry and reversed phase-HPLC. Maximum absorption of propolis extracts was at 290 nm, resembling flavonoid compounds. The most common flavonoids were: isosakuranetin, quercetin, and kaempferol in 60% ethanol extracts; pinocembrin and sakuranetin in 70% ethanol extracts and kaempferide, acacetin, and isorhamnetin in 80% ethanol extracts.

Accession: 003027529

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Tykhonov O.I.; Budnykova T.M.; Shevchenko S.M.; Karmazin V.O.; Yavtushenko S.V.; Yarnykh T.H., 1986: Development of the preparation of tablets with powder like extracts of propolis. Employing technological, physico-chemical, crystalline-optical methods the authors worked out the composition and technology of tablets with a propolis extract under the conventionate name of "Propolon".

Park, Y.K.; Ikegaki, M., 1998: Preparation of Water and Ethanolic Extracts of Propolis and Evaluation of the Preparations. Propolis was extracted using water and various concentrations of ethanol as solvents. The extracts were investigated by measurement of absorption spectrum with a UV spectrophotometer, reversed phase-high pressure thin-layer chromatography and reve...

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