Dalbergione, 4-methoxy

Dalbergione, 4-methoxy- and 4, 4 -dimethoxy-, Y4 Dammarenediols, T51 Dammarenolic acid, T51 Daphmacrine, K26 Daphnetoxin, T39 Daphniphyllum alkaloids, K26 Daphylloside, T15 Daucol, T25 Daucone, T25 Daunomycin, Y28 Daunomycinone trimethyl ether, Y28... 

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. 

R)-4-Methoxy dalbergione is the main allergen of Dalbergia nigra and Dalhergia latifolia Roxb. (East Indian rosewood, palissandre). Occupational sensitization occurs in timberworkers. 

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