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Ahamed, KFH Nazeer,Kumar, V,Manikandan, L,Wahile, Atul M,Mukherjee, Kakali,Saha, BP,Mukherjee, Pulok K Kyung Hee Oriental Medicine Research Center 2005 Oriental pharmacy and experimental medicine Vol.5 No.1
The leaf extracts of Araucaria bidwillii Hook. (Araucariaceae) were evaluated for their cytotoxic effect in various human cancer cell lines. Preliminary investigation by brine shrimp lethality assay indicated that $LC_{50}$ value of various successive extracts were found to be less than $1000\;{\mu}g/ml$, where the ethyl acetate extract showed maximum activity of less than $100\;{\mu}g/ml$. Further cytotoxic evaluation of various leaf extracts of Araucaria bidwilli Hook was carried out in four different human cancer cell lines-acute myeloblastic leukemia (HL-60), chronic myelogenic leukemia (K-562), breast adenocarcinoma (MCF-7) and cervical epithelial carcinoma (HeLa). Cytotoxicity was assessed by trypan blue dye exclusion method and 3-(4,5-dimethyl thiazole-2yl)-2,5-diphenyl tetrazolium bromide (MTT) reduction assay. From the present investigation it was found that the ethyl acetate and methanol extract of Araucaria bidwilli Hook was found to be more effective in leukemic cell lines and was less effective in MCF-7 and HeLa. The $IC_{50}$ value of the ethyl acetate extract in leukemic cell lines was found to be $28.18\;and\;34.64\;{\mu}g/ml$ and methanol extract was found to be $33.11\;&\;39.81\;{\mu}g/ml$. It can be concluded that various extract from the leaves of Araucaria bidwillii Hook. posses cytotoxic activity tested in brine shrimps and various human carcinoma cell lines.
Hypericum source of natural antimicrobials
Mukherjee, Pulok K.,Wahile, Atul,Ahamed, KFH Nazeer,Rajan, S. Kyung Hee Oriental Medicine Research Center 2003 Oriental pharmacy and experimental medicine Vol.3 No.3
Plants of the genus Hypericum (Family - Hypericaceae) are herbs, shrubs or small trees and are distributed chiefly in the temperate regions of the world. About 400 different species of Hypericum are available throughout the globe and 20 species occur in India, including a few cultivated in gardens. Almost all plants of the genus Hypericum are widely used in folk medicine. Several potent phytoconstituents from different Hypericum species have led to the isolation of antibacterial, antifungal and cytotoxic compounds. With the development of resistance and cross resistance with different microorganisms and the evolution of so many deadly diseases the screening and evaluation of the phytoconstituents so much so the development of varied phytoconstituents for the drug development for these deadly diseases is utmost essential in every aspects. The present review on the antimicrobial use of different Hypericum reports the findings from and extensive literature search on the Hypericum species around the globe that have been assessed for antimicrobial and antiviral activity. An attempt has been made through this review to summarize the information in this aspect in order to highlight the promising species of this genus which are worthy for further investigation as leads for drug development. Over 31 different Hypericum species have been reported to possess such activities with their varied number of phytoconstituents. Sixteen different constituents of six different classes of phytoconstituents have been reported to be present in different varieties of Hypericum, which may be considered responsible for this activity.
Studies on the Anti-inflammatory Effects of Drymaria cordata Willd
Pulok K. Mukherjee,Kakali Mukherjee,S. Bhattacharya,M. Pal,B. p. Saha 한국생약학회 1998 Natural Product Sciences Vol.4 No.2
In folklore medicine Drymaria cordata Willd (Family-Caryophyllaceae) is reported to have laxative and anti-febrile properties along with anti-inflammatory activities. Sikkimis used this plant to treat all these ailments. The anti-inflammatory effect of the methanol extract of D. cordata was investigated against carrageenin, histamine, serotonin, dextran and PGE₁ induced rat hind paw oedema. It exhibited significant anti-inflammatory activity against all these phlogestic agents except PGE₁ in the order of carrageenin $gt; serotonin $gt; histamine. All these effects were compared with standard drug phenylbutazone in both the acute and chronic experimental models in albino rats.
Pulok K. Mukherjee,T. K. Gopal,T. subburaju,S. P. Dhanbal,B. Duraiswamy,K. Elango,B. Suresh 한국생약학회 1998 Natural Product Sciences Vol.4 No.4
To evaluate the anti-diarrheal potential of the leaves of Bauhinia purpurea Linn., investigations were performed on different animal models e.g. castor oil induced diarrhea in rats and gastrointestinal motility test by using charcoal meal. In both the models the ethanolic extract of the leaves showed significant activity when compared to control group. The group treated with standard anti-diarrheal agent also showed significant activity comparing with control. Thus this study establishes the efficacy of Bauhinia purpurea Linn. leaves as an anti-diarrheal as claimed in folklore.
Pulok K. Mukherjee,B. Suresh 한국생약학회 2000 Natural Product Sciences Vol.6 No.2
The wound healing potential of the methanol extract of Hypericum mysorense Wight and Arn. Leaves (Family: Hypericaceae) was evaluated on different experimental models of wounds in rats. The methanol extract of leaves of Hypericum mysorense (HMM), in the form of ointment in two different concentrations (5% and 10% w/w ointment of aerial part extract in simple ointment base) was evaluated for wound healing potential in excision wound model and incision wound model in rats. Both the concentrations of the methanol extract ointment showed significant responses in both the wound types tested when compared with the control group. The effect produced by the extract ointment, in terms of wound contracting ability, wound closure time, regeneration of tissues at wound site, tensile strength of the wound and histopathological characteristics were comparable to those of a standard drug Nitrofurazone ointment.
Phytochemical and therapeutic potentials of Morinda tinctoria Roxb. (Indian mulberry)
Atish K Sahoo,Nisha Narayanan,N Satheesh Kumar,S Rajan,Pulok K Mukherjee 경희대학교 융합한의과학연구소 2009 Oriental Pharmacy and Experimental Medicine Vol.9 No.2
Morinda tinctoria Roxb. (Family: Rubiaceae) is commonly known as Indian mulberry or Aal in India. This plant is very well known for its therapeutic benefit in Indian systems of medicine including Ayurveda and Siddha and in other forms of traditional Medicine worldwide for the treatment of several ailments. Almost all parts of this plant have been explored for its medicinal uses. Several reports on the phytochemical and therapeutic benefits of this plant have been reported. In this article an attempt has been made to review the traditional uses, phytochemical profiles and therapeutic potentials of Indian mulberry. Morinda tinctoria Roxb. (Family: Rubiaceae) is commonly known as Indian mulberry or Aal in India. This plant is very well known for its therapeutic benefit in Indian systems of medicine including Ayurveda and Siddha and in other forms of traditional Medicine worldwide for the treatment of several ailments. Almost all parts of this plant have been explored for its medicinal uses. Several reports on the phytochemical and therapeutic benefits of this plant have been reported. In this article an attempt has been made to review the traditional uses, phytochemical profiles and therapeutic potentials of Indian mulberry.
Phytochemical and therapeutic potentials of Morinda tinctoria Roxb. (Indian mulberry)
Sahoo, Atish K,Narayanan, Nisha,Kumar, N Satheesh,Rajan, S,Mukherjee, Pulok K Kyung Hee Oriental Medicine Research Center 2009 Oriental pharmacy and experimental medicine Vol.9 No.2
Morinda tinctoria Roxb. (Family: Rubiaceae) is commonly known as Indian mulberry or Aal in India. This plant is very well known for its therapeutic benefit in Indian systems of medicine including Ayurveda and Siddha and in other forms of traditional Medicine worldwide for the treatment of several ailments. Almost all parts of this plant have been explored for its medicinal uses. Several reports on the phytochemical and therapeutic benefits of this plant have been reported. In this article an attempt has been made to review the traditional uses, phytochemical profiles and therapeutic potentials of Indian mulberry.
Wahile, Atul,Mukherjee, Kakali,Kumar, Venkatesan,Saha, Bishnu Pada,Mukherjee, Pulok K Kyung Hee Oriental Medicine Research Center 2007 Oriental pharmacy and experimental medicine Vol.7 No.1
Free radicals are known to play important role in pathophysiology of hepatic disorders and antioxidants are employed along with other chemotherapeutic agents in treatment of such diseases. In search of natural antioxidant, successive extracts of Hypericum (H.) hookerianum (Family: Hypericaceae) were evaluated by in vitro and in vivo methods. Extracts of aerial parts of H. hookerianum were subjected for 1,1-diphenyl 2-picryl hydrazyl radical scavenging activity (DPPH assay), nitric oxide radicals scavenging assay and thiobarbituric acid reactive substances (TBARS) assay. Methanolic extract was found to be more active than other extracts in DPPH and in vitro TBARS assay with $IC_{50}$ at 5.82 ${\pm}$ 1.33 ${\mu}g/ml$ and 49.78 ${\pm}$ 3.79 ${\mu}g/ml$ respectively. While petroleum ether extract showed more potentials in scavenging the nitric oxide radicals with $IC_{50}$ 220.97 ${\pm}$ 2.69 ${\mu}g/ml$. The administration of $CCl_{4}$ to the control animals caused decrease in the level of catalase and superoxide dismutase, together with significant increase in the level of TBARS in liver and kidney. Reversal of these changes towards normal group was observed by administration of H. hookerianum methanolic extract at 50 and 100 mg/kg body weight, while other extracts were found to be less active.
Antiinflammatory Evaluation of Leucas lavandulaefolia Rees. Extract
Saha, Kakali,Mukherjee, Pulok K.,Das, J.,Mandal, Subhash C.,Saha, B.P.,Pal, M. The Korean Society of Pharmacognosy 1996 Natural Product Sciences Vol.2 No.2
The antiinflammatory activity of the methanol extract of Leucas lavandulaefolia Rees was evaluated on different experimental models of inflammation in rats. The extract has been found to possess significant, inhibitory activity against carrageenin, histamine, serotonin, and dextran induced hind paw oedema in rats. The effect produced by extract was comparable to that of phenylbutazone and a prototype, nonsteroidal antiinflammatory agent.
Studies on in vivo Wound Healing Activity of Cassia fistula Linn . Leaves (Leguminosae) in Rats
T. Bhakta,Pulok K. Mukherjee,Kakali Mukherjee,M. Pal,B. p. Saha 한국생약학회 1998 Natural Product Sciences Vol.4 No.2
Cassia fistula commonly known as Sundali was selected to evaluate its wound healing potentials based on traditional use and literature references. Methanol extract of C. fistula leaves were examined for its wound healing property in the form of an ointment in two types of wound models in rats : i) Excision wound model and ii) Incision wound model. The ointment of the leaf extract of two different concentrations (5% and 10% w/w ointment of leaves extract in simple ointment base) responded significantly in both models of wounds tested. The results were also comparable to that of standard drug, nitrofurazone in terms of wound contraction ability, epithelisation period, tensile strength and regeneration of tissue at wound area.