Khong Heng Yen
Khong Heng Yen
Professor, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM) Sarawak
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TitleCited byYear
Chemical compositions, antioxidant and antimicrobial activities of essential oils of Piper caninum Blume
WMNHW Salleh, F Ahmad, KH Yen, HM Sirat
International journal of molecular sciences 12 (11), 7720-7731, 2011
412011
Chemical compositions and biological activities of the essential oils of Beilschmiedia madang Blume (Lauraceae)
WMNHW Salleh, F Ahmad, KH Yen
Archives of pharmacal research 38 (4), 485-493, 2015
27*2015
Chemical Compositions, Antioxidant and Antimicrobial Activity of the Essential Oils of Piper officinarum (Piperaceae)
WMNHW Salleh, F Ahmad, KH Yen, HM Sirat
Natural Product Communications 7 (12), 1934578X1200701229, 2012
222012
Chemical composition and biological activities of essential oil of Beilschmiedia pulverulenta
WMNHW Salleh, F Ahmad, KH Yen, RM Zulkifli
Pharmaceutical biology 54 (2), 322-330, 2016
172016
Anticholinesterase and antityrosinase activities of ten Piper species from Malaysia
WMNHW Salleh, NA Hashim, F Ahmad, KH Yen
Advanced pharmaceutical bulletin 4 (Suppl 2), 527, 2014
162014
Malaysianol B, an oligostilbenoid derivative from Dryobalanops lanceolata
A Wibowo, N Ahmat, AS Hamzah, ALM Low, SAS Mohamad, HY Khong, ...
Fitoterapia 83 (8), 1569-1575, 2012
152012
Chemical compositions and biological activities of the essential oils of Beilschmiedia madang Blume (Lauraceae)
SWMNH Wan, A Farediah, YK Heng
Archives of Pharmacal Research 38 (4), 485-493, 2015
112015
New bioactive natural products from Launaea nudicaulis
M Saleem, S Parveen, N Riaz, MN Tahir, M Ashraf, I Afzal, MS Ali, A Malik, ...
Phytochemistry letters 5 (4), 793-799, 2012
112012
Comparative study of the essential oils of three Beilschmiedia species and their biological activities
WMNHW Salleh, F Ahmad, HY Khong, R Mohamed Zulkifli
International Journal of Food Science & Technology 51 (1), 240-249, 2016
102016
Antioxidant and Anticholinesterase Activities of Essential Oils of Cinnamomum Griffithii and C. Macrocarpum
WMNHW Salleh, F Ahmad, KH Yen
Natural product communications 10 (8), 1934578X1501000838, 2015
102015
The pyranoxanthone inophyllin A induces oxidative stress mediated-apoptosis in Jurkat T lymphoblastic leukemia cells
KM Chan, R Hamzah, AA Rahaman, VYM Jong, HY Khong, NF Rajab, ...
Food and chemical toxicology 50 (8), 2916-2922, 2012
102012
Chemical constituents from Piper caninum and antibacterial activity
W Salleh, F Ahmad, KH Yen
Journal of Applied Pharmaceutical Science 5 (06), 020-025, 2015
92015
Antioxidant, anti-inflammatory, and cytotoxic activities of Garcinia nervosa (Clusiaceae)
NMU Seruji, HY Khong, CJ Kutoi
Journal of Chemistry 2013, 2013
92013
Chemical compositions and antimicrobial activity of the essential oils of Piper abbreviatum, P. erecticaule and P. lanatum (Piperaceae).
WMS Wan, F Ahmad, KH Yen
Natural product communications 9 (12), 1795-1798, 2014
82014
Chemical Compositions and Antimicrobial Activity of the Essential Oils of Hornstedtia havilandii (Zingiberaceae)
SE Hashim, HM Sirat, KH Yen
Natural product communications 9 (1), 1934578X1400900133, 2014
82014
Madangones A and B: Two new neolignans from the stem bark of Beilschmiedia madang and their bioactivities
WMNHW Salleh, F Ahmad, KH Yen, RM Zulkifli, SD Sarker
Phytochemistry letters 15, 168-173, 2016
72016
Antidiabetic and antihypercholesterolemic activities of Citrus sinensis peel: In vivo study
H Muhtadi, T Azizah, A Suhendi, KH Yen
National Journal of Physiology, Pharmacy and Pharmacology 5 (5), 382-385, 2015
72015
Identification and biological activity of secondary metabolites from Dryobalanops beccarii
A Wibowo, N Ahmat, AS Hamzah, FA Latif, JS Norrizah, HY Khong, ...
Phytochemistry Letters 9, 117-122, 2014
72014
Chemical composition of Piper stylosum Miq. and Piper ribesioides Wall. essential oils, and their antioxidant, antimicrobial and tyrosinase inhibition activities
WMNHW Salleh, F Ahmad, HY Khong
Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromáticas 13 …, 2014
72014
Anticholinesterase and anti-inflammatory constituents from Beilschmiedia pulverulenta Kosterm
WMNHW Salleh, F Ahmad, KH Yen, RM Zulkifli
Natural Product Sciences 22 (4), 225-230, 2016
62016
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