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Antileukemic activity of selected natural products in Taiwan



Type of Spiritual Experience


Plantago is a genus of about 200 species of small, inconspicuous plants commonly called plantains or fleaworts. They share this name with the very dissimilar plantain, a kind of banana. Most are herbaceous plants, though a few are subshrubs growing to 60 cm (24 in) tall. The leaves are sessile, but have a narrow part near the stem which is a pseudo-petiole

We have added yarrow because it contains many of these chemicals, but it is not alone, some example plants have been added to the activity list periwinkle in this context is Vinca minor

A description of the experience

Am J Chin Med. 2003;31(1):37-46.

Antileukemic activity of selected natural products in Taiwan.

Chiang LC1, Chiang W, Chang MY, Ng LT, Lin CC.

The aim of the present study was to evaluate the antileukemic activity of six chemical classes of pure compounds present in commonly used medicinal plants in Taiwan--such as the genus Plantago.

Studies were conducted on a series of human leukemia and lymphoma cell lines. Results showed that water soluble compounds (aucubin, caffeic acid, chlorogenic acid, ferulic acid, p-coumaric acid and vanillic acid) exhibited a weak antileukemic activity (IC50: 26-56 microg/ml, SI: 2-11).

On the other hand, water insoluble compounds such as triterpenoids (oleanolic acid and ursolic acid), monoterpene (linalool) and flavonoid (luteolin) possessed strong activity against human leukemia and lymphoma cell lines.

Among them, linalool showed the strongest activity against histiocytic lymphoma cells U937 (IC50: 3.51 microg/ml, SI: 592.6) and Burkitt lymphoma cells P3HR1 (IC50: 4.21 microg/ml, SI: 494.1).

Ursolic acid was effective against P3HR1 cells (IC50: 2.5 microg/ml, SI: 262.6) and chronic myelogenous leukemia cells K562 (IC50: 17.79 microg/ml, SI: 36.91), whereas oleanolic acid inhibited the growth of P3HR1 cells (IC50: 26.74 microg/ml, SI: 11.37).

Luteolin exhibited effective activity against K562 cells (IC50 18.96 microg/ml, SI: 5.14) and P3HR1 cells (IC50: 18.99 microg/ml, SI: 5.13). We conclude that terpenes and flavonoid in commonly used medicinal plants possess strong activity against lymphoma and leukemia cells, especially human lymphoma cells, suggesting the potential use of these compounds for treatment of lymphoma.

PMID:  12723753

The source of the experience


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