[Quantitative determination of alpha-peroxyachifolide in yarrow by HPLC with amperometric detection].


A HPLC method with amperometric detection is established for the contact allergen alpha-peroxyachifolid (1) from yarrow (Achillea millefolium L., s. str.). The amounts of 1 are between 0.25 and 0.60% in blossoms, dried 2 h at room temperature, and between 0.01 and 0.05% in the leaves. In completely dried material and in some preparations from the market 1… (More)


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