International Journal of Botany Studies


International Journal of Botany Studies


International Journal of Botany Studies
International Journal of Botany Studies
Vol. 6, Issue 2 (2021)

Pharmacological over review on medicinal plant in Malaxis rheedii sw,


Saravanan P, BS Venkateswarlu, B Jaykar, Saravanan R, Gomathi V

Pharmacological over review on medicinal plant in Malaxis rheedii sw,

Saravanan P*, BS Venkateswarlu, B Jaykar, Saravanan R, Gomathi V

Department of Pharmacology, Vinayaka Mission`s college of pharmacy, Vinayaka Missions Research Foundation (Deemed to be University), Kondapannaikenpatti, Tamil Nadu, India

 

Abstract

From the earliest starting point of development, the orchid is used as the remedy to cure different diseases and illnesses. Malaxis rheedii belongs to the orchidaceae family, distributed both in India and around the world in the cold zone. Traditionally, one of the best remedies against snake poisons, fever, Joint Pain, and Burns is used in the various portions of malaxis rheedii. They are also used in malignancy, rheumatoid arthritis, diabetes, inflammation, artherosclerosis, and ageing, malaria, and neurodegenerative disorders. Malaxis rheedii has been investigated by researches for its biological activities and therapeutic potentials such as the anti-diabetic, anti-fungal, anti-microbial, anti-bacterial, and Anti-cancer activities.

 

Keywords: malaxis rheedii, orchid, antibacterial, antidiabetics, and antimicrobial, anticancer

 

 

 

Introduction

Indian medicinal plant (orchid) malaxis rheedii used in ayurvedic medicine is discussed in 'charaka samhita', an indian therapeutic medicine is written by charaka in sanskrit, a few thousand years ago [1]. In ayurveda medication “ashtawarga” is a group of several crude drugs is used for preparation of tonic such as “chyavanprash” and including four orchid species out of which m. rheedii is additionaly among them [2]. Most of them consulted for the treatment of childhood illnesses such as bronchitis, epilepsy, etc. One of the main components of the medicines is pachilaperumal (m. Rheedii) [3]. Similarly the whole plant part of m. Rheedii is used by malayali tribes; [7] in yercaud hills, salem distric tamilnadu. They are used M. rheedii sw. (orchidaceae) is one of the best medicines for against snake poisons in tribes people; [8] fever, cancer; [9] joint pain and burns and etc [4]. This is one of the herbal species of the asthavarga group. It development or considered as the tonic and rejuvenative drugs. The bulb is sweet, refrigerant, aphordiasiac, styptic, antidysentric, febrifuge and tonic. It is valuable in sterility, vitiated states of pitta, and vata, seminal weakness, interior and external discharge, loss of bowelness, hyperthermia, anorexia,, burning and copying sensation and general debility [10].

Malaxis rheedei (orchidaceae) commonly named as jeevakam is a rare, terrestrial, endangered and medicinal orchid5. The plant distributed throughout the India mainly in Western Ghats regions [6]. The flower are pale yellowish to green shading; terminal recemes 8-20 cm long spikes born in pre-winter season in second year and onward. It has 2-3cm long bracts, lanceolate with acute apex, sepals are extensively lanceolate and laterals recurrved; patals are direct yet more limited then sepals; the fruit is a capsule, 6-8mm long, broadly ovoid- oblong, ribbed and of light yellow colour.

 

Plant description [11]

Taxonomy

Kingdom: plantae

Order: asparagales

Family: orchidaceae

Genus: malaxis

Species: malaxis rheedii

 

Vernacular name

Tamil: jeevakam

Telugu: jeevakamu

Kannada: jivaka

Malayalam: jeevakam

Hindi: jeevak

English: jeevak

 

                                                  a

 

                                                      b

Fig 1: a & b. Malaxis rheedi

Antioxidant activity

Antioxidants are broadly utilized as fixing in dietary enhancement and are exploited to maintain health and prevent oxidative stress-mediated illness, for example malignant growth, atherosclerosis, diabetics, inflammation and ageing, malaria, rheumatoid arthritis, neuro-degerative disorders has been as of late understood [12]. mainly phenol and flavonoid mixes compounds, believed to have more antioxidant activity than vitamin c, e and b-carotene is rapidly gaining consideration.

Methanolic crude extract of m. Rheedii which may be due to the presence of biomolecules with articulated antioxidant activity. Abts•+ radical scavenging movement additionally quickened with the expansion in the groupings of theextricate from 50-250μg/ml. Petroleum ether extract also exhibited greatest antioxidant activity. In like manner, it is proposed that the cancer prevention agent capacity of m.rheedii would be gainful in ensuring against the unfavorable impacts of oxidative damage [13].

 

Antidiabetic activity

Diabetic disease is a serious medical threat of public health [14]. There is a strong need of new drugs for the treatment and prevention of this disease. The recent advances in understanding the activity of intestinal enzymes [15]; (α-amylase and α-glucosidase) have led to the development of newer pharmacological agents. A high postprandial blood glucose response is associated with micro and macro-vascular complications in diabetes and more strongly associated with the risk for cardiovascular diseases [17].

The main aim of this investigation is to gather scientific proof and knowing the adequacy of natural constituents of plants that are used for treatment of diabetes. The exhibited properties [16]; of anti-diabetic in methanolic extract of m. Rheedii ascribes the presence of flavonoid, tannin, glycoside, resin, steroids, terpenoids, cardiac glycosides and triterpenoids etc. The crude methanolic extract of m. Rheedii inhibits the catalysts like salivary, amylase and glucosidase and shows potential activities against diabetes mellitus disease with ic50 value of 407.56 μg/ml (α-amylase inhibitory activity) and 380.66 μg/ml (α- glucosidase inhibitory activity) respectively. The current finding reveals that methanolic extract of M. rheedii productively overdose both alpha amylase and alpha-glucosidase enzymes in a concentration dependent manner. Numerous natural herbal extracts are used in ayurveda for the treatment of diabetes and have been reported to have antidiabetic activity in the inhibition potential towards alpha amylase and glucosidase activity. Crude methanol extract of psidium guajava leaves18; and caesalpinia digyna root [19]; and the crude ethanolic extract of C. Auriculata flowers and of C. angustifolia whole plant part and leaves have been reported inhibition [20]; potential towards in vitro antidiabetic assays. Therefore methanol extract malaxis rheedii able to efficiently inhibit the activity of alpha-amylase and glucosidase, and the plant-based inhibitory ability provides a prospective diabetes treatment therapeutic approach.

 

Antimicrobial activity [21, 23]

Methanolic extract of the entire plant part of m. Rheedii most extreme antibacterial activity against pseudomonas aeruginosa (25.06mm) and staphylococcus aureus (25mm). Acinetobacter baumannii (20.07mm) and salmonella typhi (20.04mm) showed moderate activity and a least action was seen in klebsiella pneumoniae. Antifungal activity was greatest in aspergillus flavus (30mm) and moderate in cryptococcus neoformans (20mm). No activity was recorded in trichophyton rubrum, candida albicans, and candida tropicalis.in the evaluation of, whole plant extracts m. Rheedii exhibited extensive antibacterial and antifungal activity. However, the methanolic extracts and chloroform extract of whole plant parts exhibited more significant antibacterial activity than the petroleum ether and ethyl acetate extracts. Pseudomonas aeruginosa and staphylococcus aureus showed high activity. Klebsiella pneumoniae was the most susceptible bacteria, among the five bacteria tested and it showed the least activity. Ethyl acetate and methanol extract of whole plant parts exhibited more significant antifungal activity than the petroleum ether and chloroform. Aspergillus flavus showed the high activity. Candida albicans and candida tropicalis were the most susceptible fungus, among the five fungal tested and these fungus showed the least activity. These results confirm the traditional knowledge on medicinal uses of m. Rheedii.

 

GC-MS analysis [23, 27]

The gas chromatogram hows that the relative concentrations of various compounds are getting eluted a function of retention time. The height of the peaks indicates the relative concentrations of the compounds present in the plant. The mass spectrometer examine of the compound present in the plant. The mass spectrometer investigate of the compound eluted at various occasions to distinguish the nature and structure of the compound. The large compounds fragments into small compounds give rice to the appearance of peaks at different ratios. These mass spectra are a fingerprint of the compound from the data library that can be described. The current investigation, the GC-MS study of malaxis rheedii indicated the presence of 42 compounds (phytochemical components) in entire plant part of methanolic extract that could contribute the therapeutic process in nature of the plant. The recognizable proof of the phytochemical compounds was confirmed based on the peak area (%) and retention time (RT). As of late gas chromatography – mass spectrum (GC-ms) studies have been progressively applied for the analysis of medicinal plants a significant technique valuable tool for the investigation of essential oil, alcohols, acids, esters, alkaloids, steroids, amino and nitro compounds etc. The GC MS analysis of the methanolic extract came about many compounds which have assorted use. Malaxis having anti-diabetic, antibacterial, antifungal, antioxidant and anticancer properties have been distinguished. In addition to these, the plant is broadly used against snake poison by tribal people of the area. GC-ms strategy is a direct and quick expository methodology approach for identification of potential bioactive from plant extracts. The results obtained through such studies are supporting the medico-potentiality some valuable plants. The current investigation, there are around 42 compounds present in methanol extract of whole plant part of malaxis rheedii by GC-MS method. Such results also highlight the potentiality of these species in anticarcinogenic, antidiabetic, antimicrobial and antioxidant properties.

 

Anticancer activity [28, 32]

The in-vitro confirmation of their toxicity on human cervical cancer cell line (hela) and breast cancer cell line (mcf-7) were studied using mtt assay. The cytotoxicity study was completed out for plant methanolic extract of the whole plant part of m. Rheedii. The methanol extract was screened for its cytotoxicity against two human cancer cell lines at different concentrations to determine the ic50 by mtt assay. Cytotoxicity of methanol extract of the whole plant part of m. Rheedii against hela cell was found to be 7.3%, 16.6%, 25.4%, 36.3%, and 47.1% toxic at a concentration of 18.75, 37.5, 75, 150, and 300 μg/ml; and cytotoxicity of methanol extract of m. Rheedii against mcf-7 cell was found to be 18.75, 37.5, 75, 150, and 300 μg/ml toxic at a concentration of 7.9%, 13.9%, 26%, 48.4%, and 66.3%, respectively. Ic50 value of 167.76 μg/ml was obtained for breast Caner cell line (mcf-7). Cytotoxicity of methanol extract of the whole plant part of m. Rheedii against mcf-7 was found to kill the cell proliferation, and it showed strong cytotoxicity than hela cell. The percentage inhibition was found to be increase with an increasing in concentration of test compounds.

 

Conclusion

Malaxis rheedii is most traditionally used in katunayyaka tribes in westernghats to cure many aliments, which forms a basis to carry out the research activities. The different part of the malaxis rheedii are being used in the traditional system of medicine to cure various disease of human kinds. Researchers are confirmed the few pharmacological activities of the plant proved to be safe.

 

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