Abstract

This paper contains a summary about determination 10-HDA of fresh Royal Jelly. The 10-HDA content in Transylvania samples of RJ were analyzed using an HPLC-PDA method. The chromatographic conditions were: isocratic system, reverse phase C18 column, autosampler, diode array UV-VIS detector adjusted to 210 nm, mobile phase composed by methanol/water (60:40) at pH=2.5 adjusted with phosphoric acid. The 10-HDA content of the samples analyzed seems to have two ranges 0.75-3.8%. This is the first data regard ing 10-HDA content of Romanian RJ.

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