Posted by admin on Aug 31, 2022 in |
Centella asiatica (Linn) Urban, a herb of immense medicinal properties, has been widely used by traditional healers in the treatment of skin diseases, mental fatigue, anxiety, rheumatism, eoilepsy and leprosy. In the present investigation, the antibacterial activity of ethanol, acetone and aqueous extracts of Centella asiatica were tested in-vitro against seven bacterial species viz. Staphylococcus aureus, Salmonella typhi, Salmonella paratyphi, Klebsiella sp., E. coli, Bacillus sp. and Pseudomonas sp. by well diffusion method. The ethanol extract inhibited the growth of Bacillus sp. and S. aureus, maximally (14 mm each), followed by that of E. coli (12 mm) and Klebsiella sp. (11 mm). The extract unaffected the growth of Salmonella typhi, Pseudomonas, and Salmonella paratyphi. The acetone extract inhibited the growth of Bacillus sp. (10 mm); the other six bacteria remained unaffected. Likewise, the aqueous extract also inhibited the growth of none of the test bacteria in this...
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Posted by admin on May 31, 2022 in |
Ulcerative colitis was defined as a common intestinal infla-mmatory disease characterized by upregulation of pro-inflammatory cytokines and oxidative stress. The leaves of Murraya koenigii and Centella asiatica had been used in traditional medicine to treat the disease. The present study aimed to perform a comparative protective efficacy evaluation between Murraya koenigii and Centella asiatica on acetic acid-induced ulcerative colitis in rats. Rats were randomly categorized into nine groups: control, acetic acid, standard drug, acetic acid + extract of Murraya koenigii (50, 100, 200 mg/kg), and acetic acid + extract of Centella asiatica (50, 100, 200 mg/kg) groups. After 5 days of feeding, colitis was induced in the experimental animal groups by transrectal administration of 1ml of 4% acetic acid. The rats were sacrificed after 24 hr of rectal installation, and their colon tissues were examined. Pretreatment with extract of Murraya koenigii and Centella asiatica significantly reduced colon weight-length, macroscopic scores, histological changes, and upregulated the enzymatic activity of superoxide dismutase (SOD). The above results indicated that oral administration of...
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Posted by admin on Oct 31, 2021 in |
The research aim is to develop and evaluate Centella asiatica Chloroform extract and silver-coated suture against the most common organisms that cause surgical site infections (SSI) by in-vitro methods. This prospective study is to coat the Centella asiatica (CA) extract to the suture along with the silver nitrate solution. In this study, a suture filament was formulated with Poly Lactic Glycolic Acid (PLGA) (50:50 ratio). A formulated filament was coated with Centella asiatica extract, and its property was compared with the marketed future. After minor modifications, the marketed suture was coated with Centella asiatica extract. Antibacterial efficacy of Centella asiatica extract coated suture filaments with and without silver nitrate solution were evaluated against gram-positive and gram-negative bacteria. Chloroform extract of Centella asiatica powder was effective against gram positive and negative bacteria compared to crude powder. Particle size and Zeta potential of the CA powder extract with and without silver nitrate at the end of 3 h was found to be 676.9 and 140.1nm and 0.295 1.45mv of Zeta potential,...
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Posted by admin on Aug 31, 2020 in |
Centella asiatica (CA; family Apiaceae) is extensively used in traditional medicine. A regular supply of this plant is required by the herbal drug industry. Hence, the cultivation of this plant is required. The emphasis of the available cultivation practices is on biomass yield. The activity of the plant, however, depends on the amount of bioactive constituents. The production of these secondary metabolites is influenced by biotic as well as abiotic factors. This study was carried out to determine the abiotic factors that enhance the production of secondary metabolites in CA. CA plants were grown in two seasons (i.e., season 1: August to December and season 2: February to June) on different soil types (Clay loamy, Red, Black), and various stresses were applied to the plants. At the end of each season, plant yield, extract yield, asiatic acid content, antioxidant, and acetylcholinesterase inhibition activities were determined. Asiatic acid content was determined by an HPLC method. The results show the varied response of CA plants to seasons, soil, and stresses. CA...
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Posted by admin on Dec 31, 2019 in |
Chromolaena odorata was extracted by ethanol/water. Centella asiatica was extracted by methanol. A cream containing C. odorata and C. asiatica extracts was formulated and evaluated for its physicochemical properties and stability. C. odorata and C. asiatica were extracted and their respective active compounds scutellarein tetramethyl ether and asiaticoside were determined as bioactive compounds using HPLC. Creams were prepared using 5% C. odorata and 1% C. asiatica extracts and tested for their appearance, pH, and viscosity. Stability was evaluated under accelerated conditions using six hot/cold cycles and after long-term storage at 30 °C/75% RH for 3 months. The content of scutellarein tetramethyl ether in C. odorata extract was 0.13 ± 0.02% w/w and the content of asiaticoside in the C. asiatica extract was 0.35 ± 0.04% w/w. Contents of scutellarein tetramethyl ether and asiaticoside in the cream formulation were 98.25 ± 0.43% and 102.16 ± 0.22%, respectively. The cream formulations containing the extracts had a good appearance and were non-greasy and easily applied, with a pH value of 5.4 ±...
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