Analysis of various chemical constituent of rhizome of Acorus calamus
Analysis of various chemical constituent of rhizome of Acorus calamus
Examination of Different Chemical Components in Acorus calamus Rhizome
The semi-aquatic, perennial plant Acorus calamus, also referred to as "Vacha" or sweet flag in traditional medicine, has rhizomes that are utilized extensively in Chinese, Unani, and Ayurvedic medicine. The complex combination of phytochemicals found in the rhizome gives it pharmacological qualities such as anti-inflammatory, antibacterial, neuroprotective, and digestive advantages.
1. Principal Groups of Phytochemicals Found in Acorus calamus Rhizome:
a. The main bioactive components of the rhizome are volatile oils, also known as essential oils.
a. The main bioactive components of the rhizome are volatile oils, also known as essential oils.
1. Major Classes of Phytochemicals in the Rhizome of Acorus calamus:
a. Volatile Oils (Essential Oils):
These are the primary bioactive constituents in the rhizome.
β-Asarone: The most abundant compound; responsible for aroma and various bioactivities.
α-Asarone
Eugenol
Shyobunone
Calamenene
Methyleugenol
Linalool
Isoasarone
Note: The concentration of β-asarone can vary depending on the variety (diploid, triploid, tetraploid). Some β-asarone-rich types are restricted for internal use due to carcinogenic concerns.
b. Monoterpenes and sesquiterpenes: These comprise asaraldehyde, calamusenone, and acorenone.
contribute to the insecticidal and antibacterial qualities
c. Phenolics and Phenylpropanoids, including methyl eugenol and eugenol
serve as antimicrobials and antioxidants.
d. Flavonoids: lower amounts of quercetin and kaempferol
Participate in the effects of antioxidants
f. Tannins: Promote digestive health and have astringent qualities
f. Alkaloids: Found in trace amounts; contribute to impacts on the nervous system
contribute to the insecticidal and antibacterial qualities
c. Phenolics and Phenylpropanoids, including methyl eugenol and eugenol
serve as antimicrobials and antioxidants.
d. Flavonoids: lower amounts of quercetin and kaempferol
Participate in the effects of antioxidants
f. Tannins: Promote digestive health and have astringent qualities
f. Alkaloids: Found in trace amounts; contribute to impacts on the nervous system
2. Analytical Techniques for Examining the Components:
The method most frequently used for essential oil profiling is gas chromatography-mass spectrometry (GC-MS).
HPLC, or high performance liquid chromatography, is used to quantify certain flavonoids and phenolics.
FTIR, or Fourier Transform Infrared Spectroscopy, is used to analyze functional groups.
Thin Layer Chromatography (TLC): Initial phytochemical screening.
UV-Vis Spectrophotometry: For estimating the total amount of flavonoids and phenols.
The method most frequently used for essential oil profiling is gas chromatography-mass spectrometry (GC-MS).
HPLC, or high performance liquid chromatography, is used to quantify certain flavonoids and phenolics.
FTIR, or Fourier Transform Infrared Spectroscopy, is used to analyze functional groups.
Thin Layer Chromatography (TLC): Initial phytochemical screening.
UV-Vis Spectrophotometry: For estimating the total amount of flavonoids and phenols.
3. Key Compounds' Pharmacological Implications:
The pharmacological action of compounds
CNS stimulant, antibacterial, and carcinogenic (at high dosages) β-asarone
α-Asaroneantioxidant and sedative
Analgesic, anti-inflammatory, and antiseptic eugenol
Linalool is antibacterial and anxiolytic.
The ShyobunoneAntimicrobial and anti-spasmodic
4. Toxicological Concerns: Research on animals has linked β-asarone to genotoxic and carcinogenic consequences.
Internal use of high-β-asarone formulations is restricted by European and American legislation.
Internal use of high-β-asarone formulations is restricted by European and American legislation.
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