Add time:07/25/2019         Source:sciencedirect.com

Changes of coumarin content were induced by application of salicylic acid through the root system of 8-week-old Matricaria chamomilla plants in the stage of leaf rosette. Twenty four hours after addition of salicylic acid into culture medium, its accumulation in leaves of chamomile was registered. A decrease of (Z)- and (E)-2-β-d-glucopyranosyloxy-4-methoxycinnamic acids content and an increase of their coumarin product herniarin in leaves of chamomile were found. A considerable increase of umbelliferone was observed, with peak at the time of 72 h after the treatment.

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