Benzopyrans in Hypericum polyanthemum Klotzsch ex Reichardt cultured in vitro

• Autorzy: Bernardi A.P.M. , Maurmann N. , Rech S. B. , Von Poser G.
• Języki publikacji: EN

Abstrakty

EN

Hypericum polyanthemum Klotzsch ex Reichardt, an endemic species of Southern Brazil, was micropropagated on MS medium supplemented with 1.78 µM BAP. Shoot proliferation and rooting was achieved on hormone-free medium and plantlets survived acclimatization. The bioactive compounds: 6-isobutyryl-5,7-dimethoxy-2,2-dimethylbenzopyran (HP1), 7-hydroxy-6-isobutyryl-5-methoxy2,2-dimethyl-benzopyran (HP2) and 5-hydroxy-6-isobutyryl-7-methoxy-2,2-dimethyl-benzopyran (HP3) were quantified in the leaves, stems and roots of propagated and acclimatized plantlets and compared with the field-grown plants. The HPLC analysis revealed that the three benzopyrans are accumulated in the aerial parts and the concentration varied with the age of the plant whereas the roots were capable of accumulating only HP3. Greatest yield of HP1 (7.12 mg/g DW) was quantified in the leaves of the acclimatized plantlets, whereas the flowers of the plants from natural habitat displayed higher amounts of HP2 (11.04 mg/g DW) and HP3 (13.99 mg/g DW).

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2007
• Tom: 29
• Numer: 2
• Opis fizyczny: p.165-170,fig.,ref.

Twórcy

autor

Bernardi A.P.M.

• Programa de Pos Graduacao em Cinencias Farmaceuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752, 90610-000 Porto Alegre, Brazil

autor

Maurmann N.

• Programa de Pos Graduacao em Cinencias Farmaceuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752, 90610-000 Porto Alegre, Brazil

autor

Rech S. B.

• Programa de Pos Graduacao em Cinencias Farmaceuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752, 90610-000 Porto Alegre, Brazil

autor

Von Poser G.

• Programa de Pos Graduacao em Cinencias Farmaceuticas, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga 2752, 90610-000 Porto Alegre, Brazil

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