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Depression: 21st Century Solutions + The Dark Side of Wheat

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Article Publish Status: FREE
Abstract Title:

Anti-Inflammatory and Anti-Nociceptive Activities of Stem-Bark Extracts and Fractions of Carpolobia Lutea (Polygalaceae).

Abstract Source:

J Basic Clin Pharm. 2016 Dec ;8(1):25-32. PMID: 28104971

Abstract Author(s):

Lucky Legbosi Nwidu, Blessing Airhihen, Augustine Ahmadu

Article Affiliation:

Lucky Legbosi Nwidu

Abstract:

BACKGROUND: In Niger Delta, ethnomedicine hydroalcoholic extract of Carpolobia lutea (CL) (Polygalaceae) is used to relieve inflammatory pains.

OBJECTIVES: The purpose of this study is to evaluate the anti-inflammatory and antinociceptive effects of ethanolic stem extract (ESE) and to fractionate the ESE for the elucidation of bioactive molecules.

MATERIALS AND METHODS: The antinociceptive effects for ESE were tested against two noxious stimuli; chemical (acetic acid-induced writhing and formalin-induced pain) and thermal (hot plate) stimuli. The effects of paracetamol (130 mg/kg), indomethacin (10 mg/kg), and morphine (5 mg/kg) pretreatment were investigated. To isolate the bioactive compounds with anti-inflammatory effect, two doses (86.6 and 173.2 mg/kg) of four fractions (methanol fraction MTF, ethyl acetate fraction EAF, chloroform fraction CHF, and n-hexane fraction n-HF) obtained from fractionating ESE were utilized. Carrageenan, egg albumin, and capsaicin-induced edema of the hind paw of the rats were the models adopted. Paw volume was measured by a digital vernier caliper from 0 to 6 h after injection. This was compared to standard drugs. The results were subjected to statistical analysis.

RESULTS: The ESE decreased significantly (P<0.001) the writhing of acetic acid-induced abdominal contractions and licking of formalin-induced pains but does not have any effects on the hot plate test. Of the four fractions obtained, the EAFs demonstrated a significant (P<0.001) inflammatory inhibition of 98.97% and 41.91% at 86.6 and 173.2 mg/kg, respectively, compared to 65.75% inhibition demonstrated by the reference drug, acetylsalicylic acid (100 mg/kg) on the carrageenan model while 36.36% and 29.87% inhibition of inflammation at 86.6 and 173.2 mg/kg, respectively, on the egg albumin models; there was no significant effect on the capsaicin model.

CONCLUSION: The isolation of quercetin and kaemferol from CL gave credence to its anti-inflammatory and antinociceptive effects.

Study Type : Animal Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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