Home | About | Quick Start | FAQ
Beta Version 0.1
DHARA is an online index of articles on Ayurveda published in research journals worldwide. Users Online: 1755
  Enter Keyword Below :
      
Advanced

Biological & pharmaceutical bulletin 2008 Oct ; (10) :0
Histamine release inhibitory activity of Piper nigrum leaf.

Abstract
Oral administration of a methanolic extract of Piper nigrum leaf (PN-ext, 50, 200 and 500 mg/kg) showed a potent dose-dependent inhibition of dinitrofluorobenzene (DNFB)-induced cutaneous reaction at 1 h [immediate phase response (IPR)] after and 24 h [late phase response (LPR)] after DNFB challenge in mice which were passively sensitized with anti-dinitrophenyl (DNP) IgE antibody. Ear swelling inhibitory effect of PN-ext (50, 200 and 500 mg/kg, per os (p.o.)) on very late phase response (vLPR) in the model mice was significant but weaker than that on IPR. Oral administration of PN-ext (50, 200 and 500 mg/kg for 7 d) inhibited picryl chloride (PC)-induced ear swelling in PC sensitized mice. PN-ext exhibited in vitro inhibitory effect on compound 48/80-induced histamine release from rat peritoneal mast cells. Two lignans of PN-ext, (-)-cubebin (1) and (-)-3,4-dimethoxy-3,4-desmethylenedioxycubebin (2), were identified as major active principles having histamine release inhibitory activity.

DHARA ID: D014912 Pubmed ID: 18827366


Access to Full Paper Not Available

Replica Louis vuitton Belts Replica Louis vuitton Handbags Replica Louis vuitton Backpack Replica Louis vuitton Capucines Bags Imitazioni Louis vuitton Borse Imitazioni Louis vuitton Cinture Imitazioni Louis vuitton Occhiali Replica Louis vuitton Geldb?rsen Replica Louis vuitton Gürtel Replica Louis vuitton Schmuck Replica Louis vuitton Schal Imitation Louis vuitton Bijoux Imitation Louis vuitton Ceinture Imitation Louis vuitton Chaussures Imitation Louis vuitton Foulard namaak Louis vuitton Gordels namaak Louis vuitton Handtassen namaak Louis vuitton Portemonnees namaak Louis vuitton Schoenen Replica Louis vuitton Bolsos Replica Louis vuitton Billeteras Replica Louis vuitton Cinturones Dior Replica Hermès Replica Yves Saint Laurent Replica Goyard Replica Imitation Louis Vuitton Imitation Hermès Imitation Dior Imitation Yves Saint Laurent Imitazioni Bottega Veneta Borse Imitazioni Delvaux Borse Imitazioni Goyard Borse Replica Taschen Replica Louis Vuitton Replica Hermès Replica Dior Replica Bottega Veneta tassen Replica Chloé tassen Replica Delvaux tassen Replica Goyard tassen imitacion Louis Vuitton imitacion Louis Vuitton imitacion Hermès imitacion Dior Replica Miu Miu Replica Prada Replica Yves Saint Laurent Replica Chanel Replica Gucci Replica Hermès Replica Miu Miu Réplique Chanel Réplique Hermès Réplique Miu Miu Imitazioni Chanel Imitazioni Hermès Imitazioni Miu Miu imitacion Bolso Yves Saint Laurent imitacion Hermes imitacion Chanel imitacion Gucci Gucci Replica Hermes Replica

Copyright | Disclaimer | Feedback | Updates | Contact
Developed and maintained by AVP Research Foundation (Formerly AVT Institute for Advanced Research), 136/137, Trichy Road, Ramanathapuram, Coimbatore - 641045, Tamil Nadu, India
Funded by Central Council for Research in Ayurvedic Sciences, Dept. of AYUSH, Ministry of Health and Family Welfare, Government of India, New Delhi