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Yields and raw material quality of Hypericum perforatum L. and Solidago virga aurea L. from one-year and two-year plantations

100%

Gruszczyk M., Kieltyka A.

Herba Polonica

2005

tom 51

nr 1-2

Yields of herbs of both compared species were significantly higher in the second year (St. John's-wort by 47%, and goldenrod by 20%). The share of the most valuable parts (leaves and flowers) in the raw material was similar in the first and second year (St. John's-wort: 68% and 69%, goldenrod: 73% and 68%, respectively). As far as the contents of biologically active compounds are concerned, the raw material obtained in the second year was more valuable: hypericine in St John's-wort increased by 0.2% and leiocarposide in goldenrod by 0.15% (flavonoids were at the same level).

Ograniczanie wyników

1 Herba Polonica

1 Gruszczyk M.

1 Kieltyka A.

1 2005

Wyniki wyszukiwania

Yields and raw material quality of Hypericum perforatum L. and Solidago virga aurea L. from one-year and two-year plantations