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During the years 2007–2008 the content of flavonoids and polyphenolic acids in inflorescences of Helichrysum arenarium (L.) Moench was analyzed in specimens from natural stands and plantations. Plants cultivated in experimental plots originated from in vitro plantlets. The amount of flavonoids in inflorescences from experimental plots was higher and attained its maximum at 1.19% compared with 0.84%...
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