Search Results - "Liew, Sook Yee"

Inhibition and Larvicidal Activity of Phenylpropanoids from Piper sarmentosum on Acetylcholinesterase against Mosquito Vectors and Their Binding Mode of Interaction by Hematpoor, Arshia, Liew, Sook Yee, Chong, Wei Lim, Azirun, Mohd Sofian, Lee, Vannajan Sanghiran, Awang, Khalijah

“…Aedes aegypti, Aedes albopictus and Culex quinquefasciatus are vectors of dengue fever and West Nile virus diseases. This study was conducted to determine the…”
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Cholinesterase inhibitory activity of isoquinoline alkaloids from three Cryptocarya species (Lauraceae) by Wan Othman, Wan Nurul Nazneem, Liew, Sook Yee, Khaw, Kooi Yeong, Murugaiyah, Vikneswaran, Litaudon, Marc, Awang, Khalijah

“…[Display omitted] Alzheimer’s disease is the most common form of dementia among older adults. Acetylcholinesterase and butyrylcholinesterase are two enzymes…”
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N -Methyl Costaricine and Costaricine, Two Potent Butyrylcholinesterase Inhibitors from Alseodaphne pendulifolia Gamb by Husna Hasnan, Muhammad Hafiz, Sivasothy, Yasodha, Khaw, Kooi Yeong, Nafiah, Mohd Azlan, Hazni, Hazrina, Litaudon, Marc, Wan Ruzali, Wan Adriyani, Liew, Sook Yee, Awang, Khalijah

“…Studies have been conducted over the last decade to identify secondary metabolites from plants, in particular those from the class of alkaloids, for the…”
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A New Compound from Tradescantia spathacea Leaves by Lim, Bryan Chi Wah, Tan, Siow-Ping, Keng, Xin-Yi, Ng, Win-Nie, Loh, Khye Er, Nafiah, Mohd Azlan, Liew, Sook Yee

“…The analysis of the constituents of the leaves of Tradescantia spathacea yielded one new phenolic compound, named 3,6-di- tert -butyl-5-ethylphenol ( 1 ),…”
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Phenylpropanoids isolated from Piper sarmentosum Roxb. induce apoptosis in breast cancer cells through reactive oxygen species and mitochondrial-dependent pathways by Hematpoor, Arshia, Paydar, Mohammadjavad, Liew, Sook Yee, Sivasothy, Yasodha, Mohebali, Nooshin, Looi, Chung Yeng, Wong, Won Fen, Azirun, Mohd Sofian, Awang, Khalijah

“…The aim of the present study is to isolate bioactive compounds from the roots of Piper sarmentosum and examine the mechanism of action using human breast…”
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Plant Terpenoids as the Promising Source of Cholinesterase Inhibitors for Anti-AD Therapy by Lai Shi Min, Shereen, Liew, Sook Yee, Chear, Nelson Jeng Yeou, Goh, Bey Hing, Tan, Wen-Nee, Khaw, Kooi Yeong

“…Plant-derived terpenes are the prolific source of modern drugs such as taxol, chloroquine and artemisinin, which are widely used to treat cancer and malaria…”
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Natural indole butyrylcholinesterase inhibitors from Nauclea officinalis by Liew, Sook Yee, Khaw, Kooi Yeong, Murugaiyah, Vikneswaran, Looi, Chung Yeng, Wong, Yi Li, Mustafa, Mohd Rais, Litaudon, Marc, Awang, Khalijah

“…Nine monoterpenoid indole alkaloids; naucletine (1), angustidine (2), nauclefine (3), angustine (4), naucline (5), angustoline (6), harmane (7),…”
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Subditine, a new monoterpenoid indole alkaloid from bark of Nauclea subdita (Korth.) Steud. induces apoptosis in human prostate cancer cells by Liew, Sook Yee, Looi, Chung Yeng, Paydar, Mohammadjavad, Cheah, Foo Kit, Leong, Kok Hoong, Wong, Won Fen, Mustafa, Mohd Rais, Litaudon, Marc, Awang, Khalijah

“…In this study, a new apoptotic monoterpenoid indole alkaloid, subditine (1), and four known compounds were isolated from the bark of Nauclea subdita. Complete…”
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Natural cholinesterase inhibitors from Myristica cinnamomea King by Abdul Wahab, Siti Mariam, Sivasothy, Yasodha, Liew, Sook Yee, Litaudon, Marc, Mohamad, Jamaludin, Awang, Khalijah

“…[Display omitted] A new acylphenol, malabaricone E (1) together with the known malabaricones A-C (2–4), maingayones A and B (5 and 6) and maingayic acid B (7)…”
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Hyaluronidase Inhibitory Activity of Pentacylic Triterpenoids from Prismatomeris tetrandra (Roxb.) K. Schum: Isolation, Synthesis and QSAR Study by Abdullah, Nor Hayati, Thomas, Noel Francis, Sivasothy, Yasodha, Lee, Vannajan Sanghiran, Liew, Sook Yee, Noorbatcha, Ibrahim Ali, Awang, Khalijah

“…The mammalian hyaluronidase degrades hyaluronic acid by the cleavage of the β-1,4-glycosidic bond furnishing a tetrasaccharide molecule as the main product…”
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Naucline, a new indole alkaloid from the bark of Nauclea officinalis by Liew, Sook Yee, Mukhtar, Mat Ropi, Hadi, A Hamid A, Awang, Khalijah, Mustafa, Mohd Rais, Zaima, Kazumasa, Morita, Hiroshi, Litaudon, Marc

“…A new indole alkaloid, naucline (1) together with four known alkaloids, angustine (2), angustidine (3), nauclefine (4) and naucletine (5), were isolated from…”
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Chemical constituents from Mesua lepidota T. Anderson and their chemotaxonomic significance by Leong, Sow Tein, Liew, Sook Yee, Gapil Tiamas, Shelly, Hazni, Hazrina, Awang, Khalijah

“…The phytochemical investigation on Mesua lepidota T. Anderson led to the identification of eight Mammea coumarins [lepidotols A-B (1–2), lepidotol E (3),…”
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Insecticidal activity and the mechanism of action of three phenylpropanoids isolated from the roots of Piper sarmentosum Roxb by Hematpoor, Arshia, Liew, Sook Yee, Azirun, Mohd Sofian, Awang, Khalijah

“…Hexane, dichloromethane and methanol extracts of the roots of Piper sarmentosum Roxb. were screened for toxicity towards Sitophilus oryzae (L.), Rhyzopertha…”
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Phytochemical constituents from the stem barks of Goniothalamus tapis Miq by Kim, Rosalind Pei Theng, Liew, Sook Yee, Awang, Khalijah

“…Phytochemical investigation on the stem bark of Goniothalamus tapis Miq. led to the isolation of seven known styryl-lactones, 3-acetyl-isoaltholactone (1),…”
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Chemical constituents from Cyathostemma wrayi king and their chemophenetic significance by Sulaiman, Syazreen Nadia, Othman, Muhamad Aqmal, Md Din, Mohd Fadzli, Awang, Khalijah, Zahari, Azeana, Liew, Sook Yee

“…The phytochemical studies on the bark of Cyathostemma wrayi King resulted in the identification of ten alkaloids consisting of four oxoaporphines; lysicamine…”
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Anti-cholinesterase profile of Murraya koenigii (L.) Spreng essential oil and its chemical constituents by Wee, Ai Sze, Thew, Hin Yee, Liew, Sook Yee, Tan, Wen Nee, Khaw, Kooi Yeong

“…Traditionally, Murraya koenigii (L.) Spreng has been used as an ingredient in medicinal formulations. Several studies have reported on the potential of M…”
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Targeted Isolation of Antiviral Labdane Diterpenes from the Bark of Neo-uvaria foetida (Annonaceae) using LC-MS/MS-Based Molecular Networking by Sukumaran, S. Yaallini, Herrscher, Charline, Rasol, Nurulfazlina Edayah, Othman, Muhamad Aqmal, Liew, Sook Yee, Ismail, Nor Hadiani, Séron, Karin, Litaudon, Marc, Awang, Khalijah, El Kalamouni, Chaker, Apel, Cécile, Zahari, Azeana

“…In the search of new inhibitors for human coronavirus (HCoV), we screened extracts of endemic Annonaceae plants on an assay using a cellular model of Huh-7…”
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Morphinan Alkaloids from the Leaves of Alphonsea cylindrica and Their Antibacterial Properties by Cho, Kin-Hau, Tan, Siow-Ping, Tan, Hui-Yin, Liew, Sook Yee, Nafiah, Mohd Azlan

“…A phytochemical study has been carried out on CH Cl extract of leaves, resulting in the isolation of three new morphinan alkaloids. They are kinomenine (1: ),…”
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Secondary metabolites from the barks of Garcinia griffithii T. Anderson (Clusiaceae) and their chemophenetic significance by Othman, Noor Aimi, Liew, Sook Yee, Khaw, Kooi Yeong, Ablat, Abdulwali, Karsani, Saiful Anuar, Leong, Kok Hoong, Blanchard, Patricia, Derbré, Severine, Awang, Khalijah

“…A total of thirteen compounds consisting of nine xanthones; cowagarcinone C (1), doitunggarcinone C (2), nigrolineaxanthone E (3), nigrolineaxanthone Q (4),…”
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IN/I-Methyl Costaricine and Costaricine, Two Potent Butyrylcholinesterase Inhibitors from IAlseodaphne pendulifolia/I Gamb by Husna Hasnan, Muhammad Hafiz, Sivasothy, Yasodha, Khaw, Kooi Yeong, Nafiah, Mohd Azlan, Hazni, Hazrina, Litaudon, Marc, Wan Ruzali, Wan Adriyani, Liew, Sook Yee, Awang, Khalijah

“…Studies have been conducted over the last decade to identify secondary metabolites from plants, in particular those from the class of alkaloids, for the…”
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