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Kayea assamica

Table of Contents

Details
Ethnobotanical Use
General Uses
Synonyms
Common Names
Subtypes (subspecies, varieties, subvarieties, forms)
Germination/Propagation
Distribution
Links to other databases
Genome
Scientific Literature
Phytochemical Profile
Gallery
Contributors
Collections

Details Top

Internal ID UUID68f8fb12587f5110114164
Scientific name Kayea assamica
Authority Prain
First published in Indian Forester 27: 62 (1902)

Ethnobotanical Use Top

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General Uses Top

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Wood and fiber:
Kayea assamica produces a heavy, durable hardwood used locally for construction, structural timbers, poles, posts, and, where resources are available, furniture. The heartwood is typically brown with silica deposits and an oily feel, contributing to its moisture resistance and decay durability in exposed conditions. In the region of occurrence, it is valued for rural construction and load-bearing components in buildings and bridges.

Industrial and craft applications:
The species is utilized for utility poles, marine piles and planks, and heavy-duty interior components. Its density and abrasion resistance make it suitable for industrial flooring and platforming, though commercial scale remains limited. Its natural oiliness can serve as a slight polishing aid during planing, and the wood may be used in craftwork for turned objects when available.

Properties relevant to use:
The wood’s high density and silica content, moderate to high hardness, and natural durability support its use in structural, marine, and heavy-duty applications. Its mechanical performance matches moderate-strength hardwoods, while the oily feel and moisture resistance reduce swelling and check formation under exposure. ASTM and IS classification guidelines for hardwood structural timbers can be applied for grading and quality assurance.

Sustainability and sourcing:
Natural populations in northeastern India and adjacent regions are limited and patchy, with reported slow regeneration following harvesting. Selective logging and planting schemes are recommended to maintain supply and ecosystem integrity. Species-level trade data remain scarce, indicating a need for standardized logging and grading codes for transparent supply chains.

Synonyms Top

Scientific name Authority First published in
Kayea acuminatissima Merr. Philipp. J. Sci. 30: 84 (1926)
Mesua acuminatissima (Merr.) Kosterm. Reinwardtia 7: 426 (1969)
Mesua assamica (Prain) Kosterm. Reinwardtia 7: 426 (1969)

Common names Top

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Subspecies (abbr. subsp./ssp.) Top

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Varieties (abbr. var.) Top

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Subvarieties (abbr. subvar.) Top

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Forms (abbr. f.) Top

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Germination/Propagation Top

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Distribution (via POWO/KEW) Top

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Links to other databases Top

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Database ID/link to page
Tropicos 50001472
KEW urn:lsid:ipni.org:names:428818-1
The Plant List tro-50001472
NCBI Taxonomy 2662340
IPNI 428818-1
iNaturalist 185965
GBIF 3712257
Open Tree Of Life 6099113
World Flora Online wfo-0001219663
Tropicos 50001469
KEW urn:lsid:ipni.org:names:428674-1
NCBI Taxonomy 1882250
IPNI 428674-1
GBIF 3714492

Genomes (via NCBI) Top

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

Scientific Literature Top

Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!
If you wish to see all the related articles click here.
Title Authors Publication Released IDs
The role of Nrf2 in the pathogenesis and treatment of ulcerative colitis Peng S, Shen L, Yu X, Zhang L, Xu K, Xia Y, Zha L, Wu J, Luo H Front Immunol 05-Jun-2023
PMCID:PMC10285877
doi:10.3389/fimmu.2023.1200111
PMID:37359553
Effects of Medicinal Plants and Phytochemicals in Nrf2 Pathways during Inflammatory Bowel Diseases and Related Colorectal Cancer: A Comprehensive Review Laurindo LF, de Maio MC, Minniti G, de Góes Corrêa N, Barbalho SM, Quesada K, Guiguer EL, Sloan KP, Detregiachi CR, Araújo AC, de Alvares Goulart R Metabolites 07-Feb-2023
PMCID:PMC9966918
doi:10.3390/metabo13020243
PMID:36837862
Pharmacological Effects of Grifolin: Focusing on Anticancer Mechanisms Bouyahya A, El Allam A, Zeouk I, Taha D, Zengin G, Goh BH, Catauro M, Montesano D, El Omari N Molecules 03-Jan-2022
PMCID:PMC8746472
doi:10.3390/molecules27010284
PMID:35011516
Status and consolidated list of threatened medicinal plants of India Gowthami R, Sharma N, Pandey R, Agrawal A Genet Resour Crop Evol 25-May-2021
PMCID:PMC8148398
doi:10.1007/s10722-021-01199-0
PMID:34054223
Chemical Constituents from Ethanoic Extracts of the Aerial Parts of Leea aequata L., a Traditional Folk Medicine of Myanmar Tun NL, Hu DB, Xia MY, Zhang DD, Yang J, Oo TN, Wang YH, Yang XF Nat Prod Bioprospect 07-May-2019
PMCID:PMC6538738
doi:10.1007/s13659-019-0209-y
PMID:31065939
Geophysical upheavals and evolutionary diversification of plant species in the Himalaya Manish K, Pandit MK PeerJ 07-Nov-2018
PMCID:PMC6228543
doi:10.7717/peerj.5919
PMID:30425898
Kayeassamin A Isolated from the Flower of Mammea siamensis Triggers Apoptosis by Activating Caspase-3/-8 in HL-60 Human Leukemia Cells Uto T, Tung NH, Thongjankaew P, Lhieochaiphant S, Shoyama Y Pharmacognosy Res 01-Oct-2016
PMCID:PMC5004513
doi:10.4103/0974-8490.188884
PMID:27695262
Novel anticancer agents, kayeassamins C-I from the flower of Kayea assamica of Myanmar. Win NN, Awale S, Esumi H, Tezuka Y, Kadota S Bioorg Med Chem 15-Sep-2008
doi:10.1016/J.BMC.2008.07.091
PMID:18725180
Biologically Active Alkylated Coumarins from Kayea assamica. Kyung‐Hee Lee, Hee‐Byung Chai, Pamela A. Tamez, John M. Pezzuto, Geoffrey A. Cordell, Khin Khin Win, Maung Thin‐Wa Wiley 28-Jul-2005
doi:10.1002/CHIN.200402240
Biologically active alkylated coumarins from Kayea assamica. Lee KH, Chai HB, Tamez PA, Pezzuto JM, Cordell GA, Win KK, Tin-Wa M Phytochemistry 01-Sep-2003
doi:10.1016/S0031-9422(03)00243-7
PMID:12943771
An alkylated coumarin from Kayea assamica Manobjyoti Bordoloi, Srinivasa Mohan, Nabin C. Barua, Subhas C. Dutta, Raj K. Mathur, Anil C. Ghosh Elsevier BV 23-Apr-2003
doi:10.1016/S0031-9422(96)00616-4

Phytochemical Profile Top

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Below are displayed the proven (via scientific papers) natural compounds!
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Name PubChem ID Canonical SMILES MW Found in Proof
> Lipids and lipid-like molecules / Prenol lipids / Terpene lactones
6-Butanoyl-8-(3,7-dimethylocta-2,6-dienyl)-5,7-dihydroxy-4-(1-hydroxypropyl)chromen-2-one 163031257 Click to see CCCC(=O)C1=C(C2=C(C(=C1O)CC=C(C)CCC=C(C)C)OC(=O)C=C2C(CC)O)O 442.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8-(3,7-Dimethylocta-2,6-dienyl)-5,7-dihydroxy-4-(1-hydroxypropyl)-6-(2-methylbutanoyl)chromen-2-one 75071117 Click to see CCC(C)C(=O)C1=C(C2=C(C(=C1O)CC=C(C)CCC=C(C)C)OC(=O)C=C2C(CC)O)O 456.60 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8-(3,7-Dimethylocta-2,6-dienyl)-5,7-dihydroxy-4-(1-hydroxypropyl)-6-(3-methylbutanoyl)chromen-2-one 74394426 Click to see 456.60 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8-[(2E)-3,7-dimethylocta-2,6-dienyl]-5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-6-[(2R)-2-methylbutanoyl]chromen-2-one 163189708 Click to see 456.60 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8-Butanoyl-6-(3,7-dimethylocta-2,6-dienyl)-5,7-dihydroxy-4-(1-hydroxypropyl)chromen-2-one 163082684 Click to see 442.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
Kayeassamin A 25070689 Click to see 442.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
kayeassamin B 25070690 Click to see CCCC(=O)C1=C(C2=C(C(=C1O)CC=C(C)CCC=C(C)C)OC(=O)C=C2C(CC)O)O 442.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
kayeassamin D 25141329 Click to see 456.60 unknown https://doi.org/10.1016/J.BMC.2008.07.091
> Organoheterocyclic compounds / Benzopyrans / 1-benzopyrans / Xanthones
2-Hydroxyxanthone 74708 Click to see 212.20 unknown https://doi.org/10.1002/CHIN.200402240
https://doi.org/10.1016/S0031-9422(03)00243-7
5-Hydroxy-1-methoxyxanthone 479656 Click to see COC1=CC=CC2=C1C(=O)C3=C(O2)C(=CC=C3)O 242.23 unknown https://doi.org/10.1002/CHIN.200402240
https://doi.org/10.1016/S0031-9422(03)00243-7
Euxanthone 5281631 Click to see 228.20 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
https://doi.org/10.1002/CHIN.200402240
> Phenylpropanoids and polyketides / Coumarins and derivatives
(7S)-10-butanoyl-11-hydroxy-7-methyl-12-(3-methylbut-2-enyl)-2,8-dioxatricyclo[7.3.1.05,13]trideca-1(13),4,9,11-tetraen-3-one 162894458 Click to see 356.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
kayeassamin H 44546199 Click to see 356.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
> Phenylpropanoids and polyketides / Coumarins and derivatives / Furanocoumarins / Angular furanocoumarins
(8S)-6-butanoyl-5-hydroxy-8-(2-hydroxypropan-2-yl)-4-propyl-8,9-dihydrofuro[2,3-h]chromen-2-one 162945170 Click to see 374.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8,9-Dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-6-(1-oxobutyl)-4-propyl-2H-furo(2,3-h)-1-benzopyran-2-one 44546135 Click to see 374.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
> Phenylpropanoids and polyketides / Coumarins and derivatives / Hydroxycoumarins / 7-hydroxycoumarins
5,7-Dihydroxy-4-(1-hydroxypropyl)-6-(2-methylbutanoyl)-8-(3-methylbut-2-enyl)chromen-2-one 75047710 Click to see 388.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
5,7-Dihydroxy-4-(1-hydroxypropyl)-8-(3-methyl-2-butenyl)-6-(3-methyl-1-oxobutyl)-2 h-1-benzopyran-2-one 74394428 Click to see CCC(C1=CC(=O)OC2=C1C(=C(C(=C2CC=C(C)C)O)C(=O)CC(C)C)O)O 388.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
5,7-Dihydroxy-4-(1-hydroxypropyl)-8-(3-methylbutanoyl)-6-(3-methylbut-2-enyl)chromen-2-one 21575650 Click to see CCC(C1=CC(=O)OC2=C1C(=C(C(=C2C(=O)CC(C)C)O)CC=C(C)C)O)O 388.50 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
https://doi.org/10.1016/J.BMC.2008.07.091
5,7-dihydroxy-4-[(1R)-1-hydroxypropyl]-8-[(2R)-2-methylbutanoyl]-6-(3-methylbut-2-enyl)chromen-2-one 162917372 Click to see CCC(C)C(=O)C1=C(C(=C(C2=C1OC(=O)C=C2C(CC)O)O)CC=C(C)C)O 388.50 unknown https://doi.org/10.1016/S0031-9422(96)00616-4
5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-6-(3-methylbut-2-enyl)-8-(2-methylpropanoyl)chromen-2-one 162866517 Click to see 374.40 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-6-[(2R)-2-methylbutanoyl]-8-(3-methylbut-2-enyl)chromen-2-one 163188110 Click to see 388.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-8-(2-methylbutanoyl)-6-(3-methylbut-2-enyl)chromen-2-one 10023167 Click to see 388.50 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-8-(3-methylbutanoyl)-6-(3-methylbut-2-enyl)chromen-2-one 9977572 Click to see 388.50 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
https://doi.org/10.1016/J.BMC.2008.07.091
5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-8-[(2R)-2-methylbutanoyl]-6-(3-methylbut-2-enyl)chromen-2-one 5323588 Click to see 388.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
https://doi.org/10.1016/S0031-9422(03)00243-7
https://doi.org/10.1002/CHIN.200402240
5,7-Dihydroxy-4-[1-(hydroxy)propyl]-6-(3-methyl-2-butenyl)-8-(2-methyl-1-oxobutyl)-2 h-1-benzopyran-2-one 10500479 Click to see 388.50 unknown https://doi.org/10.1016/S0031-9422(96)00616-4
https://doi.org/10.1016/S0031-9422(03)00243-7
https://doi.org/10.1016/J.BMC.2008.07.091
6-Butanoyl-5,7-dihydroxy-4-(1-hydroxypropyl)-8-(3-methylbut-2-enyl)chromen-2-one 74394427 Click to see CCCC(=O)C1=C(C2=C(C(=C1O)CC=C(C)C)OC(=O)C=C2C(CC)O)O 374.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8-Butanoyl-5,7-dihydroxy-4-(1-hydroxypropyl)-6-(3-methylbut-2-enyl)chromen-2-one 21575649 Click to see 374.40 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
8-butanoyl-5,7-dihydroxy-4-[(1S)-1-hydroxypropyl]-6-(3-methylbut-2-enyl)chromen-2-one 10429493 Click to see 374.40 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
Kayeassamin E 25141330 Click to see 374.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
Kayeassamin G 25141331 Click to see 388.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
Mammea B/AC 44546134 Click to see 358.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
> Phenylpropanoids and polyketides / Coumarins and derivatives / Pyranocoumarins / Angular pyranocoumarins
(2R)-6-butanoyl-5-hydroxy-10-[(1S)-1-hydroxypropyl]-2-methyl-2-(4-methylpent-3-enyl)pyrano[2,3-f]chromen-8-one 163048888 Click to see 440.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
10-butanoyl-5-hydroxy-4-[(1S)-1-hydroxypropyl]-8,8-dimethylpyrano[2,3-h]chromen-2-one 101760261 Click to see 372.40 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
5-Hydroxy-10-(1-hydroxypropyl)-2,2-dimethyl-6-(3-methylbutanoyl)pyrano[2,3-f]chromen-8-one 75071148 Click to see 386.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
5-hydroxy-10-[(1S)-1-hydroxypropyl]-2,2-dimethyl-6-(3-methylbutanoyl)pyrano[2,3-f]chromen-8-one 44563593 Click to see 386.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
6-Butanoyl-5-hydroxy-10-(1-hydroxypropyl)-2-methyl-2-(4-methylpent-3-enyl)pyrano[2,3-f]chromen-8-one 75071126 Click to see CCCC(=O)C1=C2C(=C3C(=C1O)C=CC(O3)(C)CCC=C(C)C)C(=CC(=O)O2)C(CC)O 440.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
> Phenylpropanoids and polyketides / Coumarins and derivatives / Pyranocoumarins / Linear pyranocoumarins
10-Butanoyl-5-hydroxy-6-(1-hydroxypropyl)-2,2-dimethylpyrano[3,2-g]chromen-8-one 21575651 Click to see 372.40 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
10-butanoyl-5-hydroxy-6-[(1S)-1-hydroxypropyl]-2,2-dimethylpyrano[3,2-g]chromen-8-one 11111501 Click to see 372.40 unknown https://doi.org/10.1016/S0031-9422(03)00243-7
> Phenylpropanoids and polyketides / Neoflavonoids / Prenylated neoflavonoids
(8S)-5-hydroxy-8-(1-hydroxy-1-methyl-ethyl)-6-(3-methylbutanoyl)-4-phenyl-8,9-dihydrofuro[2,3-h]chromen-2-one 6483323 Click to see 422.50 unknown https://doi.org/10.1016/S0031-9422(96)00616-4
6-Butyryl-5-hydroxy-4-phenylseselin 44257540 Click to see 390.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
8-Butanoyl-5,7-dihydroxy-6-(3-methylbut-2-enyl)-4-phenylchromen-2-one 15407042 Click to see 392.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
Cyclomammeisin 21592420 Click to see CC(C)CC(=O)C1=C2C(=C3C(=C1O)C(=CC(=O)O3)C4=CC=CC=C4)CC(O2)C(C)(C)O 422.50 unknown https://doi.org/10.1016/S0031-9422(96)00616-4
Mammea A/AC 44546137 Click to see CCCC(=O)C1=C(C2=C(C(=C1O)CC=C(C)C)OC(=O)C=C2C3=CC=CC=C3)O 392.40 unknown https://doi.org/10.1016/J.BMC.2008.07.091
Mammeigin 5319255 Click to see CC(C)CC(=O)C1=C2C(=C3C(=C1O)C(=CC(=O)O3)C4=CC=CC=C4)C=CC(O2)(C)C 404.50 unknown https://doi.org/10.1016/J.BMC.2008.07.091
Mammeisin 5281419 Click to see CC(C)CC(=O)C1=C(C2=C(C(=C1O)CC=C(C)C)OC(=O)C=C2C3=CC=CC=C3)O 406.50 unknown https://doi.org/10.1016/S0031-9422(96)00616-4

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