Abstract:
:Three compounds with anti-inflammatory activity were isolated from Schinus molle fruits. Two of the compounds were identified as 3- epi-isomasticadienolalic acid ( 1), isomasticadienonalic acid ( 2) and chamaejasmin ( 3). Triterpenes 1 and 2, and biflavanone 3 were tested on two models of mice paw inflammation: one of acute inflammation, induced by subcutaneous injection of either phospholipase A (2) (PLA (2)) or carrageenan in the paws of mice, and one of chronic inflammation in the form of eczema, provoked by repeated administration of TPA to the ears of mice. On the PLA (2)-induced mouse paw oedema, only 2 was active (30 mg/kg, 66 % inhibition at 60 min), whereas all compounds reduced the chronic model of inflammation (48 to 26 % of swelling reduction), but only triterpenes reduced the leukocyte infiltration, measured as tissue peroxidase activity. In the case of the carrageenan-induced mouse paw oedema, only 3 led to a reduction of the swelling 3 h after challenge (50 mg/kg, 46 % oedema inhibition). In addition, 3 inhibited the LTB (4) production in rat peritoneal polymorphonuclear leukocytes with an IC (50) value of 29.8 microM, while triterpenes showed toxicity against cells at 100 microM.
journal_name
Planta Medjournal_title
Planta medicaauthors
Yueqin Z,Recio MC,Máñez S,Giner RM,Cerdá-Nicolás M,Ríos JLdoi
10.1055/s-2003-45096subject
Has Abstractpub_date
2003-10-01 00:00:00pages
893-8issue
10eissn
0032-0943issn
1439-0221journal_volume
69pub_type
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