S-4’-hydroxy 4-methoxy dalbergione

Cases of dermatitis have been described since 1934 and have been observed in clarinet makers and in knife-handle turners (Meister 1934 Woods and Calnan 1976 Hausen et al. 1984). The responsible allergens are (S) -4-methoxydalbergion, (S) -4 -hydroxy-4-methoxy-dalbergion and (S)-3 -hydroxy-4,4 -dimethoxydalber-gione (Schulz et al. 1979). 

S-4 -Hydroxy 4-methoxy dalbergione is one of the allergens of Dalbergia nigrUy Dalbergia retusa and Dalbergia melanoxylon. 

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