Table 2.
Summary of the individually reported phytochemicals and their pharmacological significance present in Thymus vulgaris Linn.
Class | Compound Name | IUPAC Name | Pharmacological Activity | Reference |
---|---|---|---|---|
Phenolic compounds | Quinic acid | 6-methoxyquinoline-4-carboxylic acid | Anti-cancer, immunomodulatory, anti-fungal, antioxidant, neuroprotective | [47, 83, 84] |
Rosmaric acid | (2R)-3-(3,4-dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl) prop-2-enoyl] oxypropanoic acid | Anti-alzheimer's, anti-cancer, antidiabetic, antimicrobial, cardioprotective, nephroprotective, anti-ageing, hepatoprotective, anti-inflammatory, anti-allergic, anti-depressant | [85, 86] | |
Caffeic acid | (E)-3-(3,4-dihydroxyphenyl) prop-2-enoic acid | Antioxidant, antimicrobial, anticancer, adipogenetic, lipolytic, anti-alzheimer's, antiviral, antidiabetic, cardioprotective, hepatoprotective, anti-atherosclerotic | [87, 88, 89] | |
p-coumaric acid | (E)-3-(4-hydroxyphenyl) prop-2-enoic acid | Immunomodulatory, anti-inflammatory, antioxidant, gastroprotective, antidiabetic, anti-hyperlipidemia, anti-tyrosinase, anticancer, hepatoprotective | [90, 91, 92] | |
p-hydroxybenzoic acid | 4-hydroxybenzoic acid | Anticancer, antimicrobial, antiviral | [93, 94, 95] | |
Gentisic acid | 2,5-dihydroxybenzoic acid | Anticancer, antioxidant, antimicrobial, cardioprotective, antimicrobial, anti-inflammatory, analgesic, nephroprotective, hepatoprotective, neuroprotective, muscle relaxant | [91,96,97] | |
Syringic acid | 4-hydroxy-3,5-dimethoxybenzoic acid | Anticancer, antioxidant, antidiabetic, anti-inflammatory, neuroprotective, antimicrobial, antiendotoxic, hepatoprotective, anti-osteoporotic | [98, 99] | |
Ferulic acid | (E)-3-(4-hydroxy-3-methoxyphenyl) prop-2-enoic acid | Anticancer, antidiabetic, antioxidant, cardioprotective, neuroprotective, anti-alzheimer's, | [100, 101] | |
Terpenoids | Thymol | 5-methyl-2-propan-2-ylphenol | Antibacterial, antifungal, antispasmodic, antitussive, anxiolytic, neuroprotective, antihypertensive, antioxidant, antihyperlipidemic, anti-inflammatory, immunomodulatory, anti-cancerous, analgesic, growth promoting | [41] |
Carvacrol | 2-methyl-5-propan-2-ylphenol | Antimicrobial, antimutagenic, antitumor, analgesic, anti-inflammatory, antihepatotoxic, antiparasitic, antispasmodic, and hepatoprotective | [32] | |
Geraniol | (2E)-3,7-dimethylocta-2,6-dien-1-ol | Anti-cancerous, anti-inflammatory, antioxidant, hepatoprotective, antimicrobial, cardioprotective, antidiabetic, neuroprotective | [102] | |
Linalool | 3,7-dimethylocta-1,6-dien-3-ol | Sedative, antiviral, anti-inflammatory, antioxidant, anti-nociceptive, analgesic, anesthetic, antimicrobial, anxiolytic, anti-hyperlipidemic, antinoceptive, antidepressive, neuroprotective | [41, 103] | |
ρ-Cymene | 1-methyl-4-propan-2-ylbenzene | Antimicrobial, antinociceptive and anti-inflammatory, antioxidant, anxiolytic, anticancer, vasorelaxant, immunomodulatory, antinoceptive | [104, 105, 106] | |
γ-terpinene | 1-methyl-4-propan-2-ylcyclohexa-1,4-diene | Antibacterial, antioxidant, anti-inflammatory, antinociceptive. | [107, 108, 109] | |
Limonene | 1-methyl-4-(1-methylethenyl)-cyclohexene | Antibacterial, antifungal, anti-inflammatory, antinociceptive, antioxidant, | [110, 111] | |
β-Caryophyllene | (1R,4E,9S)-4,11,11-trimethyl-8-methylidenebicyclo [7.2.0] undec-4-ene | Antimicrobial, cardioprotective, hepatoprotective, gastroprotective, neuroprotective, nephroprotective, antioxidant, anti-inflammatory, immunomodulatory | [48] | |
β-Pinene | 6,6-dimethyl-2-methylidenebicyclo [3.1.1] heptane | Anti-cancerous, antimicrobial, antioxidant, anti-inflammatory, analgesic, cytogenetic, gastroprotective, anxiolytic, cytoprotective, anticonvulsant, neuroprotective | [49] | |
α-Terpineol | 2-(4-methylcyclohex-3-en-1-yl) propan-2-ol | Anti-cancerous, antioxidant, antinociceptive, anticonvoluscent, gastroprotective, cardioprotective, antihypertensive, sedative | [112] | |
Flavonoids | Apigenin | 5,7-dihydroxy-2-(4-hydroxyphenyl) chromen-4-one | Antidiabetic, anti-cancerous, antidepressive, anti-insomnia, anti-amnesia, anti-alzheimer's, antiviral | [113] |
Luteolin | 2-(3,4-dihydroxyphenyl)-5,7-dihydroxychromen-4-one | Anti-alzheimer's, anti-cancerous | [114, 115] | |
Cirsimaritin | 5-hydroxy-2-(4-hydroxyphenyl)-6,7-dimethoxychromen-4-one | Antioxidant, anti-inflammatory, antimicrobial, antidiabetic, anticancer, neuroprotective, cardiovascular, hepatoprotective | [116] | |
Xanthomicrol | 5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxychromen-4-one | Anti-inflammatory, anti-spasmodic, anti-platelet, anti-cancerous effects | [117, 118] |