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J Agric Food Chem. 2002 Dec 4;50(25):7323-5.

Glucosinolate composition of young shoots and flower buds of capers (Capparis species) growing wild in Turkey.

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Institute for Lipid Research of the Federal Center for Cereal, Potato and Lipid Research, P.O. 1705, 48006 Münster, Germany.


The content and glucosinolate composition of young shoots and raw flower buds of Capparis spinosa var. spinosa and Capparis ovata Desf. var. canescens at three different sizes (x <or= 8 mm, 8 < x <or= 13 mm, and x > 13 mm) were investigated by HPLC with UV detection. Samples were harvested in August 2001 in Turkey. Twelve different glucosinolates were identified in the young shoots and buds of both species. Total content of glucosinolates ranged from 6.55 micromol/g (large buds of C. spinosa) to 45.56 micromol/g (young shoots of C. ovata). The main glucosinolate was glucocapperin, which amounted to approximately 90% of the total glucosinolates. In both species the total glucosinolate content varied in dependence on the bud size, whereas a greater variability was given for buds from C. spinosa.

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