Karanja: Difference between revisions
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[[File:Karanja.jpg|thumb|'''Karanja (''Pongamia pinnata'')''']] | |||
'''Karanja''' (Latin: ''Pongamia pinnata'' Pierre, English: '''Indian beech''') is a medium-sized deciduous or evergreen tree belonging to the family Fabaceae (traditionally Papilionaceae). In Ayurveda, it is celebrated for its potent anthelmintic (''Krumighna''), wound-cleansing and healing (''Vrana Shodhana''), and dermatological (''Kushthaghna'') properties.<ref name="API">Anonymous. ''The Ayurvedic Pharmacopoeia of India''. Department of Ayush, Ministry of Health and Family Welfare, Govt. of India, New Delhi, Part I. 1986; Volume 1: 40.</ref> | '''Karanja''' (Latin: ''Pongamia pinnata'' Pierre, English: '''Indian beech''') is a medium-sized deciduous or evergreen tree belonging to the family Fabaceae (traditionally Papilionaceae). In Ayurveda, it is celebrated for its potent anthelmintic (''Krumighna''), wound-cleansing and healing (''Vrana Shodhana''), and dermatological (''Kushthaghna'') properties.<ref name="API">Anonymous. ''The Ayurvedic Pharmacopoeia of India''. Department of Ayush, Ministry of Health and Family Welfare, Govt. of India, New Delhi, Part I. 1986; Volume 1: 40.</ref> | ||
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== Major Phytochemical Profile == | == Major Phytochemical Profile == | ||
The therapeutic potential of ''P. pinnata'' is predominantly attributed to its rich content of | The therapeutic potential of ''P. pinnata'' is predominantly attributed to its rich content of furanoflavones and polyphenolic compounds: | ||
* '''Furanoflavones:''' | * '''Furanoflavones:''' Karanjin, pongamol, pongapin, kanjone, and pongaglabrone. | ||
* '''Fixed Oils:''' Oleic acid, linoleic acid, stearic acid, and ricinoleic acid isolated from seed oil. | * '''Fixed Oils:''' Oleic acid, linoleic acid, stearic acid, and ricinoleic acid isolated from seed oil. | ||
* '''Flavonoids & Polyphenols:''' | * '''Flavonoids & Polyphenols:''' Quercetin, kaempferol, and condensed tannins present in the leaves and bark. | ||
== Pharmacological Properties & Scientific Evidence == | == Pharmacological Properties & Scientific Evidence == | ||
=== Anti-inflammatory & Analgesic Efficacy === | === Anti-inflammatory & Analgesic Efficacy === | ||
* '''Mechanisms:''' Oral or topical administration of ''P. pinnata'' extracts suppresses pro-inflammatory cytokines, inhibits | * '''Mechanisms:''' Oral or topical administration of ''P. pinnata'' extracts suppresses pro-inflammatory cytokines, inhibits cyclooxygenase (COX-2) pathways, and stabilizes lysosomal membranes. | ||
* '''Evidence:''' Aqueous and ethanolic extracts of ''P. pinnata'' stem bark and leaves have demonstrated significant anti-inflammatory activity in acute (carrageenan-induced paw edema) and chronic (cotton pellet granuloma) animal models.<ref name="Srinivasan2001">Srinivasan K, Muruganandan S, Lal J, Chandra S, Tandan SK, Prakash VR (2001). "Evaluation of anti-inflammatory activity of Pongamia pinnata leaves in rats". ''Journal of Ethnopharmacology''. '''78''' (2–3): 151–157. doi:10.1016/S0378-8741(01)00335-3.</ref> Notably, stem bark extracts demonstrate anti-inflammatory effects without producing gastric mucosal lesions or ulceration typical of nonsteroidal anti-inflammatory drugs (NSAIDs).<ref name="Smitha2010">Smitha GN, et al. (2010). "Anti-inflammatory activity of Pongamia Pinnata stem bark in rats". ''Journal of Pharmacy Research''. '''3''' (4): 818–820.</ref> | * '''Evidence:''' Aqueous and ethanolic extracts of ''P. pinnata'' stem bark and leaves have demonstrated significant anti-inflammatory activity in acute (carrageenan-induced paw edema) and chronic (cotton pellet granuloma) animal models.<ref name="Srinivasan2001">Srinivasan K, Muruganandan S, Lal J, Chandra S, Tandan SK, Prakash VR (2001). "Evaluation of anti-inflammatory activity of Pongamia pinnata leaves in rats". ''Journal of Ethnopharmacology''. '''78''' (2–3): 151–157. doi:10.1016/S0378-8741(01)00335-3.</ref> Notably, stem bark extracts demonstrate anti-inflammatory effects without producing gastric mucosal lesions or ulceration typical of nonsteroidal anti-inflammatory drugs (NSAIDs).<ref name="Smitha2010">Smitha GN, et al. (2010). "Anti-inflammatory activity of Pongamia Pinnata stem bark in rats". ''Journal of Pharmacy Research''. '''3''' (4): 818–820.</ref> | ||
=== Antimicrobial & Antifungal Activity === | === Antimicrobial & Antifungal Activity === | ||
* '''Mechanisms:''' Active principles such as karanjin and pongamol disrupt microbial cell membrane integrity and inhibit bacterial cell invasion. | * '''Mechanisms:''' Active principles such as karanjin and pongamol disrupt microbial cell membrane integrity and inhibit bacterial cell invasion. | ||
* '''Evidence:''' Crude extracts and seed oil display broad-spectrum activity against pathogens including '' | * '''Evidence:''' Crude extracts and seed oil display broad-spectrum activity against pathogens including ''Staphylococcus aureus'', ''Pseudomonas aeruginosa'', and ''Escherichia coli''.<ref name="Bajpai2009">Bajpai VK, et al. (2009). "Antibacterial activity of Pongamia pinnata extracts against pathogenic microorganisms". ''Journal of Applied Biomedicine''. '''7''': 201–208.</ref> Seed oil formulations have proven effective against dermatophytes (such as ''Trichophyton rubrum'') and ''Candida albicans'', validating traditional applications in managing scabies and eczema. Leaf decoctions also exhibit selective antidiarrheal action by inhibiting cholera toxin production and protecting epithelial cells against invasion.<ref name="Brijesh2006">Brijesh S, Daswani P, Tetali P, Antarkar RV, Birdi TJ (2006). "Studies on Pongamia pinnata (L.) Pierre leaves: understanding the mechanism(s) of action in infectious diarrhoea". ''Journal of Zhejiang University Science B''. '''7''' (8): 665–674. doi:10.1631/jzus.2006.B0665.</ref> | ||
=== Antidiabetic & Metabolic Regulation === | === Antidiabetic & Metabolic Regulation === | ||