Development and Validation of an HPLC Method for Karanjin in Pongamia pinnata linn. Leaves

Optimisation and in-vivo evaluation of extracted Karanjin loaded liposomal topical formulation for treatment of psoriasis in tape-stripped mouse model

AIM

The present work is focus on development of anti-psoriasis activity of Karanjin (isolated from Pongamia pinnata seed oil) loaded liposome based lotion for enhancement of skin permeation and retention.

METHOD

Karanjin was isolated using liquid-liquid extraction method and characterised by HPLC analysis and partition coefficient. Further, isolated Karanjin was loaded into liposomes using thin-film hydration technique and optimised by Box-Behnken design. Selected optimised batch was characterised their mean diameter, PDI, zeta potential, and entrapment efficiency, morphology (by TEM), FTIR and ex-vivo skin retention. Additionally, Karanjin loaded liposomes were formulated into lotion and characterise their rheological, spreadability, texture, ex-vivo skin permeation & retention, stability and anti-psoriatic activity in mouse tail model.

RESULT

The yield of Karanjin from seed oil was 0.1% w/v and have lipophilic nature. The optimised liposomal formulation showed 195 ± 1.8 nm mean diameter, 0.271 ± 0.02 PDI, -27.0 ± 2.1 mV zeta potential and 61.97 ± 2.5% EE. TEM image revel the spherical shap of liposome surrounded by single phospholipid bilayer and no interection between drug and excipients. Further, lotion was prepared by 0.1% w/v carbopol and found to 615 mPa.sec viscosity, good thixotropic behaviour, spreadability and texture. There was 22.44% increase in drug permeation for Karanjin loaded liposomal lotion compared to pure Karanjin lotion, confirm by ex-vivo permeation and retention. While, in-vivo study revel the liposomal lotion of Karanjin was found to have 16.09% higher drug activity then 5% w/w conventional Karanjin lotion.

CONCLUSION

Karanjin loaded liposomal lotion have an effective anti-psoriatic agent and showed better skin permeation and retention than the conventional Karanjin lotion.

Therapeutic importance and pharmacological activities of karanjin in the medicine for the treatment of Human disorders: A review through scientific data analysis

Backgrounds:

Plant and derived herbal drugs have been used in the traditional system of medicine for the treatment of various forms of human health complications since a very early age. Commercial products prepared from natural herbs have been always valuable for the society in the form of health supplement to medicament. In the ancient time, herbal products were mainly prepared from plants and their derived phytochemical. Plants contain a rich source of pure phytochemical called secondary metabolite and examples are flavonoids, glycosides, tannins and terpenoids etc. Plants and their parts including fruits, flowers, vegetables etc. are the best source of Flavonoid class phytochemicals.

Methods:

Present work summarized the scientific information of karanjin for their health beneficial aspects and pharmacological activities including its analytical aspects. In the present investigation, scientific data of karanjin have been collected from various scientific databases such as Google, Goggle Scholar, Science Direct and PubMed and analyzed to know the health beneficial aspects of karanjin in the medicine. Further pharmacological activity data has been collected and analyzed in the present work to know their biological potential in the medicine. Analytical methods used for the separation, isolation, and identification of karanjin for the standardization of different natural products have been also discussed in the present work.

Results:

Scientific data analysis signified the biological importance of Flavonoid class phytochemicals in the medicine as they are well known for their anti-ischemic, vasodilatory, anti-bacterial, anti-inflammatory, anti-oxidant, anti-viral, and anti-cancer activities. Scientific data analysis revealed the presences of karanjin in numerous medicinal plants such as Fordia cauliflora, Lonchocarpus latifolius, Millettia pinnata, Millettia pubinervis, Pongamia pinnata, and Tephrosia purpurea. Pharmacological activity data revealed the biological potential of karanjin against cancerous disorders, glucose metabolism abnormalities, gastrointestinal disorders, arthritis, inflammatory disorders, colitis, psoriasis and brain related disorders. However, analytical data signified the importance of RP-HPLC, TLC, HPTLC, UPLC-ESI-MS/MS and HSCCC techniques in the medicine for the quantification of karanjin in different samples.

Conclusion:

Presented information about karanjin in this review paper will be beneficial to the scientific peoples of the world to know the health beneficial aspects of karanjin in the medicine.

Biochemical and toxicological investigation of karanjin, a bio-pesticide isolated from Pongamia seed oil

Karanjin, a furanoflavonol from Pongamia pinnata L is used in agricultural practices for its pesticidal, insecticidal and acaricidal activities. It is commercially available as a bio-pesticide targeting a wide variety of pests. The present study was intended to evaluate the biochemical interactions of karanjin with bovine serum albumin (BSA) and study its toxicological effects on mammalian and bacterial cell lines. Karanjin bound to BSA at a single site with a dissociation constant of 19.7 μM. Evaluation of BSA-karanjin interactions at three different temperatures indicated the involvement of static mode of quenching. Binding experiments in the presence of warfarin and computational docking analysis indicated that karanjin bound closer to the warfarin binding site located in the Subdomain IIA of BSA. Using Förster resonance energy transfer analysis the distance between TRP 213 of BSA and karanjin was found to be 20 Å. Collective results from synchronous fluorescence spectra analysis, differential scanning calorimetry, and circular dichroism analysis indicated that binding of karanjin induced conformational changes in the secondary structure of BSA. Karanjin exhibited low toxicity against human cervical cancer cells and normal mouse fibroblast L929 cells and modestly inhibited the growth of B. subtilis and E. coli cells. The data presented in this study provides insights for understanding the binding interactions of karanjin with BSA and its possible toxicological effects on mammalian cell lines and bacteria.