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Secondary Metabolites of Genus Nardostachys and their Medicinal Importance- Recent Updates

Khan AM1, Vinay K Singh2, Narindra K Agnihotri1, Mukesh C. Joshi1 and Krishan Kumar1*

1Motilal Nehru College, Benito Juarez Marg, South Campus, University of Delhi, New Delhi-110021, India

2Sri Aurobindo College, Shivalik, Malviya Nagar, South Campus, University of Delhi, New Delhi-110017, India

*Corresponding Author:
Krishan Kumar
Motilal Nehru College, Benito Juarez Marg
South Campus, University of Delhi
New Delhi-110021, India
E-mail: [email protected]

Received Date: February 09, 2021; Accepted Date: March 06, 2021; Published Date: March 10, 2021

Citation: Khan AM, Singh VK, Agnihotri NK, Joshi MC, Kumar K (2021) Secondary Metabolites of Genus Nardostachys and their Medicinal Importance - Recent Updates. Am J Phytomed Clin Ther Vol.9 No.3:10.

 

Abstract

Nardostachys is an endangered, primitive and important herbal medicine found in Northern Himalayan region covering India, China Bhutan, and Nepal. The roots and rhizomes of this family have major contribution in Ayurveda and Unani medicines for various ailments. This plant is reported for their specific use in the treatment of bacterial, fungal, insomnia and cardiac diseases. It can also be used as an antioxidant, vasodilators, anti-CNS depressant and hepatoprotective. This plant includes many biologically active secondary metabolites; however nardostachone, jatamansone and actinides in major proportions. Overall, this review summarizes an exploration of the Nardostachys with respect to its medicinal importance and their important phytochemical secondary metabolites.

Keywords

Medicinal herb; Nardostachys; N. grandiflora; N. jatamansi; N. chinensis; Root; Rhizome

Introduction

India comprises one of the largest biodiversity of the world due to its diverse range of altitudinal, climatic and ecological habitats. Such a biodiversity is rich with various herbal plants of great medicinal importance. Now day’s herbal medicine attracts great attention towards healthcare due to its promising results and least side effects. Herbal medicinal plants are rich source of biomolecules and natural antioxidants, which can be major triggering factor to reduce many diseases viz. diabetes, aging, heart problem, cancer and neurodegenerative disorders. Many herbal medicinal plant species are at risk due to their illegal trade, excessive exploitations and lack of knowledge. Thus, these gifted herbal species need to be conserved by making strict guideline, however few groups of people working on it [1,2].

The plant species Nardostachys is one of them and is an important indigenous endangered medicinal herb found in North Himalayan region of India. Some other species are also reported as a Nardostachys grandiflora, N. jatamansi (D. Don) DC and two other species are also described N. gracilis and N. chinensis [3]. Although, this difference may be due to environmental influences (biotic or abiotic) [4,5]. They all are commonly known as jatamansi or Indian-nard in Indian Territory. They are distributed in sub-alpine to alpine regions in dry, open conifer forests, rocks, edges, small depressions, scrubs and in open meadows mostly on north facing slopes over east to west from Kumaon region of Uttarakhand to Sikkim in India and also in the Himalaya region of Bhutan and China from 2300-6000 m from the sea level [6]. However, substantial population of species exists in Nanda-Devi national park and Bagi area of Tehri forest division, yet extremely rare in finding. Traditional and medicinal uses of this genus are listed ahead. In this section author representing various secondary metabolites of genus Nardostachys and their traditional and medicinal uses [7-15].

Literature Review

Taxonomic description [16]:

Kingdom: Plantae

Division (Phylum): Mangnoliophyta

Class: Magnoliopsida

Order: Dipsacales

Family: Valerianaceae

Genus: Nardostachys

Botanical species: Nardostachys grandiflora DC, N. jatamansi DC, N. gracilis and N. chinensis

Common names: Balchara (hindi), Masi, Jatamasi, Bhytajata, Tapaswani (Hindi, Sanskrit and in Aayurveda), Musk root, Indian Spikenard (English), Baalchad (Gujarathi); Bhootajata (Kannada); Bhutijata (Kashmir); Manchi (Malayalam); Billilotan (Punjab), Gansong (Chinese) and Kanshoko (Japanees).

Botanical description

It is a dwarf, hairy, rhizomatous, perennial herb with aromatic woody rootstock cylindrical rhizome covered with brown or gray fibers, long and stout, covered with fibres from the petioles of withered leaves. Stem is 10-20 cm upward, glaborate and subscapose. Leaves elliptic, lanceolate or spathulate, rising mostly from the rootstock that is clothed in remnant fibre nets of old leaves. Around 15-20 radical leaves by 2.5 cm longitudinally nerved, glaborate and narrowed into the petiole. One or two pairs of caulines, are present which are 2.5-7.5 cm long, subovate, sessile and oblong in shape. Usually, adventitious stocks are red or brown in color with thin and branched roots. The colors of flowers are generally purple, pink, blue and white. Pubescent flower heads are usually 1, 3 or 5; bracts 6 mm oblong. Fruit is approximately 4 mm long, covered with ascending white hairs, crowned by the acute, ovate, dentate, calyx-teeth (Figure 1) [17].

phytomedicine-clinical-therapeutics-jatamansi-herb

Figure 1: N. jatamansi herb.

Traditional impacts

Nardostachys has been used since 800 BC for various ailments such as cholera, epilepsy, hysteria and many other disorders in India, Nepal, Bhutan and China. Other traditional uses are as an antispasmodic, antiepileptic, potent stimulant, laxative and also in various Ayurvedic tonics [18-24]. It is also used in wide range of disorders such as; i) to improve digestive system, ii) nervous system, iii) reproductive system, iv) urinary system, respiratory system and in many skin diseases. The oil of N. jatamansi used in eye compounds and as a poison antidote [25]. According to Ayurveda, it helps in preventing wrinkles due to its oily (Snigdha) secondary metabolites. It also promotes wound healing due to its Ropan (healing) property. Jatamansi powder with honey once or twice a day can help improve memory and brain functions. N. jatamsnsi fruits can be taken orally in case of tonsillitis [7,26]. It can be taken with some other species to increase the sleep duration to give rest to the body [27].

Common and useful secondary metabolites from different parts of Genus Nardostachys

Some common and useful secondary metabolites were isolated from the different part of the genus Nardostachys, which are as follows (Table 1).

Compounds Herb Medicinal Importance
9-Aristolen-1α-ol (Nardostachnol) N. jatamansi (roots) N. chinensis (oil) Antibacterial activity,  moderate antifungal activity
1(10)-Aristolen-9-one (Gansongon) N. chinensis (Batalin) Antibacterial activity,  moderate antifungal activity
Nardoaristolones A and B N. chinensis (Batal and roots) Increases erythrocytes
   
9,10-Dehydroaristolene N. jatamansi (oil) N. chinensis (oil)  Protective effects on myocardial injury
     
1(10)-Dehydroaristolene (Calarene) N. jatamansi, N. chinensis, N. grandiflora (rhizome oil) Antibacterial activity,  moderate antifungal activity
Calarenol N. jatamansi (roots) Antioxidative, anticholinesterase
  N. grandiflora (rhizome oil)  
Elemol N. jatamansi  (roots & rhizomes) Antioxidative, anticholinesterase , Hair tonics for their growth
1(10)-Aristolen-2-one  & 1(10), 8(9)-Aristoladien-2- one N. jatamansi (roots) N. chinensis (oil) Novel serotonin transporter regulators 
     
3’-Hydroxy-nardoaristolone A N. jatamansi (oil) N. chinensis (roots & rhizomes)  -
Debilon N. chinensis (roots & rhizomes) Cytotoxic activity against P-388 cells.
     
Secoaristolenedioic acid N. chinensis (roots & rhizomes)  -
α,2β-Dihydroxy-aristolone N. chinensis (roots & rhizomes)  -
9-Epidebilon N. chinensis (roots & rhizomes)  -
β-Maaliene N. jatamansi (oil) N. chinensis (oil) Antioxidant activity
Maaliol N. jatamansi (oil) N. chinensis (rhizomes) Antioxidant Activities
     
Jatamansic acid N. jatamansi (oil) N. chinensis (rhizomes) Hair growth activity from rhizome extract
     
Jatamanins N. jatamansi  (roots & rhizomes) Anti-ulcer activity 
Jatamansine N. jatamansi effective in internal treatment of varicose veins
Jatamol A & B N. jatamansi (roots)  
Jatamansinol (Lomatin) N. jatamansi, N. chinensis Hair tonics for their growth
    Antitumor
Valeranone (Jatamansone) N. jatamansi  (roots & rhizomes) Sedative, antiarrythmic, anti-convulsant activity  hypo-tensive, tranquilizing activity
    Antifungal, antibacterial
    Antitumor Antioestrogenic
Valeranol or N. jatamansi  (rhizomes) Anti-ulcer action, weak hypotensive property
Jatamansi-2 or Pyranocoumarin    
Nardoguaianone E-K N. chinensis (roots) Antimalarial
Nardoguaianone A-D N. chinensis (roots) Antinociceptive, antimalarial activities
Nardostachysin N. jatamansi (rhizomes) Hair tonics for their growth [Antitumor
     
Nardol N. jatamansi (roots) Antioxidative, anticholinesterase
Nardal N. jatamansi (rhizomes) Hair growth
     
Nardin and  Pyrocoumarin N. jatamansi (rhizomes & roots) Hair growth  Antioxidant, anti-inflammatory
     
Angelicin N. jatamansi (roots) Antioxidative, anticholinesterase  Hair tonics for their growth
Oroselol N. jatamansi Antioxidative, anticholinesterase  Antitumor
Spirojatomol N. jatamansi (roots) Multipurpose
BR-606 (Epoxy-sesquiterpene) N. jatamansi (roots) Bone sorption inhibitor for the treatment of osteroporosis and hypercalcemia
Nardoperoxide, Isonardoperoxide and Nardoxide N.  chinensis  (roots) Antimalarial activity
Nardosaldehyde N. chinensis (roots)  
Actinidine N. jatamansi  (rhizomes) Proteolytic activities 
Lignans N. jatamansi (roots) Anti-tumour antimitotic, antiviral activity, specifically inhibit certain enzymes
     
Patchouli alcohol N. grandiflora (rhizome oil) Antioxidant activities
  N. jatamansi (roots) antioxidant, antimicrobial analgesic action
β-Patchoulene N. jatamansi (roots) Anti-inflammatory activity
α-Patchoulene N. jatamansi (roots) Anti-inflammatory activity
1-Octadec-9’,10’-dienoyl-2,3-n-diocta-decanoyl glycerol N. jataman (rhizomes)  
Lup-20(29)-en-3β-D-galactofuranosyl-6’-octadec-9”-enoate N. jataman (rhizomes)  
Isonardosinone N. chinensis (rhizomes & roots)  Anti-neuroinflammatory
Kanshone A, B, E, D, F, G, J, K N. chinensis (rhizomes & roots) Cytotoxic against P-388 cells   anti-neuroinflammatory  antimalarial  
Nardonoxide N. chinensis (rhizomes & roots) SERT enhancers
Nardofuran N. chinensis (rhizomes & roots) Mild antileukemia activity
Nardosinone F-I Nardostachys (rhizomes) Cytotoxic activity against P-388 cells  antitumor
    reducing NF-κB and MAPK signaling pathways
    Anticardiache ,treatment of brain injury and neuro-degenerative diseases
Nardosinanones J-N & nardoaristolone C N. chinensis (Batal) Antiinflammatory activities
Nardosinonediol Nardostachys (rhizome) Cytotoxic activity against P-388 cells
desoxo-narchinol A and narchinol B N. jatamansi (rhizomes & roots) Cytotoxic activity against P-388 cells  antineuroinflammatory effects anti-inflammatory
Narjatamanins A & B N. jatamansi Anti-Alzheimer's disease
Gallic acid Nardostachys (rhizome & roots) Antiinflammatory, antimutagenic, antifungal, antiviral, anticancer, antioxidant activities
Cinnamic acid Nardostachys (rhizome & roots) Anticancer, antituberculosis, antimalarial, antifungal, antimicrobial, antiatherogenic, antioxidant activities
p-Caffeic acid Nardostachys (rhizome & roots) Antiviral, antibacterial, antioxidant, anti-inflammatory, immune-stimulatory, antidiabetic, antiatherosclerotic, cardioprotective, anticancer, anti-proliferative, hepatoprotective, antihepatocellular carcinoma
p-Coumaric acid Nardostachys (rhizome & roots) Anti-melanogenic, anti-inflammatory, anticancer.
Ferulic acid Nardostachys (rhizome & roots) Anti-inflammatory, anticancer, antimicrobial, antioxidant, anti-ageing, antidiabetic, also used in skin care products
Kaempferol Nardostachys (rhizome & roots) Anti-inflammatory,    antioxidant, antitumor, antidiabetic, neuroprotective, cardiovascular, hepatoprotective effects
Rutin Nardostachys (rhizome & roots) Antioxidant, antiviral, anticarcenogenic, antibacterial, antitumor, antiplatelet, antispasmodic, antiprotozoal, antiallergic, vaso- & cardio-protective, hypolipidaemic, antihypertensive -

Table 1: Secondary metabolites found from Genus Nardostachys.

Important secondary metabolites from various parts of Genus Nardostachys

Particularly, roots and rhizomes are in focus of chemical studies due to their potent medicinal value. They contain a variety of coumarins and sesquiterpenes and other potent secondary metabolites. The sedative sesquiterpene (valeranone), terpenoids (Nardostachys in, calarenol, spirojatamo, jatamols A & B, coumarins (jatamansin) etc. are the common phytochemical constituents of the Jatamansi. Spikenard oil is extremely valuable oil that is used in perfumery and cosmetics industry [28-30]. Despite know for great medicinal value, it is excessively exploited and trampled by sheep and goats in the alpine meadows, carelessly. Thus, we need to take strong precautionary measurements to protect this species from all dangers. Recently, the first study on de novo transcriptome analysis was done and revealed several tissue specific secondary metabolites that have not shown till now form N. jatamansi. Potent and very useful secondary metabolites of Nardostachys are as follows (Figure 2 and Table 2).

phytomedicine-clinical-therapeutics-genus-nardostachys

Figure 2: Potent secondary metabolites extracted from genus Nardostachys.

S. No Parts Secondary metabolites found from Genus Nardostachys  
1 Roots Coumarins [25,28], sesquiterpenes [29], Valeranone, calarene, valeranal, nardone, calarenol, nardostechone, seychellen, n-hexacosanyl arachidate, n-hexaconsanol, n-hexacosane, n-hexacosanyl isovalerate, β-sitosterol, patchouli alcohol, norseychelanone, α- and β-patchoulenese.
2 Rhizomes Jatamansone, β-sitosterol, sesquiterpene (lignane and neolignane polyphenolic units), seychelane, seychellene.
3 Rhizomes
and Roots
Volatile essential oil (0.5%) (Oleum Jatamansi), gum, resin, sugar, starch, bitter extractive matter.
4 Oil of Roots Terpenic coumarins, oroselol, β-sitosterol, jatamansin, hydrocarbons, angelicin, β-eudesmol, jatamansinol elemol.

Table 2: Potent secondary metabolites and their sources of isolation from the Genus Nardostachys.

Discussion

Medicinal and biological importance

According to the traditional uses, scientists have developed and concluded that Nardostachys species is one of the important class of medicinal herb, which can have vide biological applications. The root and rhizome (especially rhizome oil) are bitter in taste and considered as a tonic, nerve stimulant, nerve sedative diuretic, anti-spasmodic caminative, stomachic, laxative anti-inflammatory and anti-depressant and anxiolytic activity. It is also used in hysteria, insomnia, dysmenorhoea, many skin diseases, throat trouble, lumbago, ulcer, rheumatism, paralysis and promotes appetite and digestion etc. In Indian Ayurveda, it is used as a brain tonic; improve the mind function (by preventing cell damage due to its antioxidant property digestive system, anti-lipid peroxidative, fungicidal, anti-depressant tranquilizer, anti-malarial. In Unani medicine, it is used as a cardio tonic, analgesic, diuretic as well as hepatoprotective. Mostly, it is used as a nervine sedative in the treatment of insomnia, nervousness, chronic irritability, debility and exhaustion. Jatamansi extract is used as a hair tonic, hair oils, and promoting hair blackness, growth and luster. It is largely good for hair growth because it helps to increase the follicular size and elongate the growth phase of hair. In general, it can be used as antidepressant, anticholinesterase antioxidant anticonvulsant anti-aging (due to its antifungal and antioxidant properties) anticataleptic, antiinflammatory antiathritic antipyretic cardioprotective antitumor anti-Parkinson’s radioprotective, antimicrobial insect repellent, antifungal activity hepatoprotective protection from hair loss, ant seizures, nootropic, improve nervous system and antihyperglycemic, lipid peroxidation activities N. jatamansi roots act as a bone sorption inhibitor for the treatment of osteoporosis and hypercalcemia.

It is an excellent substitute for valerian (Valeriana officinalis) and used in the treatment of epilepsy, insomnia, depression, tension headaches nervous indigestion, hysteria and convulsive affections when taken internally. It can be used externally as a deodorant, to treat rashes, haemorrhoids and used in perfumery. Recent study also predicts that Nardostachys is very good Ayurveda drug used as a vascular dilatator (Tables 2-4) [30-50].

S. No Chemical Composition Biological activity
1 Jatamansone Tranquillizing hypothermic, antiemetic, reduce aggressiveness, restlessness, stubbornness, insomnia, anticonvulsant  anti-Parkinson activity in rat
2 Essential oil Hypotensive action in dogs, fungitoxic  Antifungal, antimicrobial ],prolonged hypotensive effects
3 Alkaloidal fraction from root and rhizome Hypotensive action in dogs

Table 3: Biological activities of potent secondary metabolite extracted from Genus Nardostachys.

S. No Parts Biological action
1 Roots Antianxiety, nerve Stimulant, nerve sedative, diuretic, antispasmodic, emmenagogue, bitter tonic, carminative, deobstruent, promote appetite and digestion.
2 Extracts of roots Hypotensive, antianxiety, laxative, sedative, brain tonic, antibacterial, abdominal distension and pain, liver enlargement, jaundice, cough, dyspnoea, cardiac depressant, skin disorders, infertility dysmenorrhoea, uterine inflammation, antipyretic.
3 Infusion of roots Antianxiety, jaundice, leprosy, spasmodic hysterical affections, palpitation of the heart, flatulence, nervous headache.
4 Extracts of rhizomes Antifungal
5 Entire herb Analgesic, antiseptic, antidote in scorpion sting, relief from insomnia and irritability.
6 Entire herb with Sesamum oil Nerve sedative, promotes growth and blackness of the hairs.

Table 4: Biological activity of the different parts of Genus Nardostachys.

Conclusion

Therefore, authors have tried to summarize that the secondary metabolites obtained or extracted from the genus Nardostachys are very much useful and potent in various ailments. Nardostachys is an important medicinal plant especially in the traditional use of Unani and Ayurveda medicines for the treatment of various illnesses. In India, this family of plant is not well explored in respect chemical identification and characterization and comes under endangered medicinal plant group. Due to lack of awareness this family is not used properly in India, which is not a good practice as a medicinal and environmental point of view.

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