Items where Author is "Abdull Razis, Ahmad Faizal"

Zaini, Nur Syamimi and Karim, Roselina and Abdull Razis, Ahmad Faizal and Hamid, Nur Fazila Saulol and Zawawi, Norhasnida (2022) A pilot study of toxicological safety evaluation in acute and subacute (28-day) oral assessments of kenaf seed beverage in rats. Food Research International, 162 (pt. A). art. no. 111988. pp. 1-17. ISSN 0963-9969

Zaini, Nur Syamimi and Karim, Roselina and Abdull Razis, Ahmad Faizal and Zawawi, Norhasnida (2022) Utilizing nutritional and polyphenolic compounds in underutilized plant seeds for health application. Molecules, 27 (20). pp. 1-27. ISSN 1420-3049

Mohd Israfi, Nur Aisyah and Mohd Ali, Muhamad Israq Amir and Manickam, Sivakumar and Sun, Xun and Goh, Bey Hing and Tang, Siah Ying and Ismail, Norsharina and Abdull Razis, Ahmad Faizal and Ch’ng, Soo Ee and Chan, Kim Wei (2022) Essential oils and plant extracts for tropical fruits protection: from farm to table. Frontiers in Plant Science, 13. art. no. 999270. pp. 1-17. ISSN 1664-462X

Butnariu, Monica and Quispe, Cristina and Koirala, Niranjan and Khadka, Sujan and Salgado-Castillo, Carla Marina and Muhammad Akram and Rabia Anum and Yeskaliyeva, Balakyz and Cruz-Martins, Natália and Martorell, Miquel and Kumar, Manoj and Bagiu, Radu Vasile and Abdull Razis, Ahmad Faizal and Sunusi, Usman and Muhammad Kamal, Ramla and Sharifi-Rad, Javad (2022) Bioactive effects of Curcumin in human immunodeficiency virus infection along with the most effective isolation techniques and type of nanoformulations. International Journal of Nanomedicine, 17. 3619 - 3632. ISSN 1176-9114

Iqbal, Shahzad Zafar and Akbar, Mehnaz and Abdull Razis, Ahmad Faizal and Waqas, Muhammad (2022) Assessment of patulin in different cultivars of apples, juices, and distribution in decay portion. International Journal of Environmental Analytical Chemistry, 31. pp. 37-43. ISSN 0306-7319; ESSN: 1029-0397

Butnariu, Monica and Quispe, Cristina and Herrera-Bravo, Jesús and Fernández-Ochoa, Álvaro and Emamzadeh-Yazdi, Simin and Adetunji, Charles Oluwaseun and Memudu, Adejoke Elizabeth and Otlewska, Anna and Bogdan, Paulina and Antolak, Hubert and Tamimi, Katayoun and Baghalpour, Navid and Bakhtiyari, Javad Mahroo and Sen, Surjit and Acharya, Krishnendu and Segura-Carretero, Antonio and Cádiz-Gurrea, María de la Luz and Swee, Hua Erin Lim and Pentea, Marius and Sarac, Ioan and Daştan, Sevgi Durna and Abdull Razis, Ahmad Faizal and Sunusi, Usman and Muhammad Kamal, Ramla and Setzer, William N. and Sharifi-Rad, Javad (2022) A review on Tradescantia: phytochemical constituents, biological activities and health-promoting effects. Frontiers in Bioscience (Landmark Edition), 27 (6). art. no. 197. pp. 1-15. ISSN 2768-6701; ESSN: 2768-6698

Muhammad Kamal, Ramla and Abdull Razis, Ahmad Faizal and Mohd Sukri, Nurul Syafuhah and Perimal, Enoch Kumar and Ahmad, Hafandi and Patrick, Rollin and Djedaini-Pilard, Florence and Mazzon, Emanuela and Rigaud, Sébastien (2022) Beneficial health effects of glucosinolates-derived isothiocyanates on cardiovascular and neurodegenerative diseases. Molecules, 27 (3). art. no. 624. pp. 1-49. ISSN 1420-3049

Ali, Nada Basheir and Abdull Razis, Ahmad Faizal and Ooi, Der Jiun and Chan, Kim Wei and Ismail, Norsharina and Foo, Jhi Biau (2022) Theragnostic applications of mammal and plant-derived extracellular vesicles: latest findings, current technologies, and prospects. Molecules, 27 (12). art. no. 3941. pp. 1-26. ISSN 1420-3049

Usman, Sunusi and Abdull Razis, Ahmad Faizal and Shaari, Khozirah and Azmai Amal, Mohammad Noor and Saad, Mohd Zamri and Mat Isa, Nurulfiza and Nazarudin, Muhammad Farhan (2022) The burden of microplastics pollution and contending policies and regulations. International Journal of Environmental Research and Public Health, 19 (11). art. no. 6773. pp. 1-22. ISSN 1660-4601

Goh, Dirong and Nematbakhsh, Sara and Selamat, Jinap and Pei, Pei Chong and Idris, Lokman Hakim and Nordin, Noordiana and Fatchiyah, Fatchiyah and Abdull Razis, Ahmad Faizal (2021) Omics-based analytical approaches for assessing chicken species and breeds in food authentication. Molecules, 26 (21). art. no. 6502. ISSN 1420-3049

Waqas, Muhammad and Iqbal, Shahzad Zafar and Abdull Razis, Ahmad Faizal and Pervaiz, Wajeeha and Ahmad, Touheed and Usman, Sunusi and Basheir Ali, Nada and Asi, Muhammad Rafique (2021) Occurrence of aflatoxins in edible vegetable seeds and oil samples available in retail markets and estimation of dietary intake in consumers. International Journal of Environmental Research and Public Health, 18 (15). art. no. 8015. pp. 1-12. ISSN 1660-4601

Salehi, Bahare and Quispe, Cristina and Imran, Muhammad and Ul-Haq, Iahtisham and Živković, Jelena and Abu-Reidah, Ibrahim M. and Sen, Surjit and Taheri, Yasaman and Acharya, Krishnendu and Azadi, Hamed and del Mar Contreras, María and Segura-Carretero, Antonio and Mnayer, Dima and Sethi, Gautam and Martorell, Miquel and Abdull Razis, Ahmad Faizal and Sunusi, Usman and Muhammad Kamal, Ramla and Suleria, Hafiz Ansar Rasul Suleria and Sharifi-Rad, Javad (2021) Nigella plants – traditional uses, bioactive phytoconstituents, preclinical and clinical studies. Frontiers in Pharmacology, 12. art. no. 625386. pp. 1-26. ISSN 1663-9812

Nematbakhsh, Sara and Chong, Pei Pei and Selamat, Jinap and Nordin, Noordiana and Idris, Lokman Hakim and Abdull Razis, Ahmad Faizal (2021) Molecular regulation of lipogenesis, adipogenesis and fat deposition in chicken. Genes, 12 (3). art. no. 414. pp. 1-29. ISSN 2073-4425

Iqbal, Muhammad Javed and Quispe, Cristina and Javed, Zeeshan and Haleema Sadia and Qadri, Qamar Raza and Raza, Shahid and Salehi, Bahare and Martins, Natália Cruz and Abdulwanis Mohamed, Zeinab and Jaafaru, Mohammed Sani and Abdull Razis, Ahmad Faizal and Sharifi-Rad, Javad (2021) Nanotechnology-based strategies for berberine delivery system in cancer treatment: pulling strings to keep berberine in power. Frontiers in Molecular Biosciences, 7. art. no. 624494. pp. 1-12. ISSN 2296-889X

Muhialdin, Belal J. and Zawawi, Norhasnida and Abdull Razis, Ahmad Faizal and Bakar, Jamilah and Zarei, Mohammad (2021) Antiviral activity of fermented foods and their probiotics bacteria towards respiratory and alimentary tracts viruses. Food Control, 127. art. no. 108140. pp. 1-11. ISSN 0956-7135

Hamidi, Elliyana Nadia and Hajeb, Parvaneh and Selamat, Jinap and Lee, Soo Yee and Abdull Razis, Ahmad Faizal (2021) Bioaccessibility of Polycyclic Aromatic Hydrocarbons (PAHs) in grilled meat: the effects of meat doneness and fat content. International Journal of Environmental Research and Public Health, 19 (2). art. no. 736. pp. 1-19. ISSN 1661-7827; ESSN: 1660-4601

Nematbakhsh, Sara and Selamat, Jinap and Idris, Lokman Hakim and Abdull Razis, Ahmad Faizal (2021) Chicken authentication and discrimination via live weight, body size, carcass traits and breast muscle fat content clustering as affected by breed and sex varieties in Malaysia. Foods, 10 (7). art. no. 1575. pp. 1-24. ISSN 2304-8158

Islam, Muhammad Torequl and Quispe, Cristina and Islam, Md Amirul and Ali, Eunus S. and Saha, Sushmita and Asha, Umma Hafsa and Mondal, Milon and Abdull Razis, Ahmad Faizal and Sunusi, Usman and Muhammad Kamal, Ramla and Kumar, Manoj and Sharifi-Rad, Javad (2021) Effects of nerol on paracetamol-induced liver damage in Wistar albino rats. Biomedicine and Pharmacotherapy, 140. art. no. 111732. pp. 1-10. ISSN 0753-3322

Rad, Javad Sharifi and Quispe, Cristina and Herrera Bravo, Jesús and Belén, Lisandra Herrera and Kaur, Rajandeep and Kregiel, Dorota and Uprety, Yadav and Beyatli, Ahmet and Yeskaliyeva, Balakyz and Kırkın, Celale and Özçelik, Beraat and Sen, Surjit and Acharya, Krishnendu and Sharopov, Farukh and Martins, Natália Cruz and Kumar, Manoj and Abdull Razis, Ahmad Faizal and Sunusi, Usman and Muhammad Kamal, Ramla and Shaheen, Shabnum and Suleria, Hafiz Ansar Rasul (2021) Glycyrrhiza Genus: enlightening phytochemical components for pharmacological and health-promoting abilities. Oxidative Medicine and Cellular Longevity, 2021 (spec.). art. no. 7571132. pp. 1-20. ISSN 1942-0994

Zulkafflee, Nur Syahirah and Mohd Redzuan, Nurul Adillah and Nematbakhsh, Sara and Selamat, Jinap and Ismail, Mohd Razi and Praveena, Sarva Mangala and Lee, Soo Yee and Abdull Razis, Ahmad Faizal (2021) Heavy metal contamination in Oryza sativa L. at the Eastern Region of Malaysia and its risk assessment. International Journal of Environmental Research and Public Health, 19 (2). art. no. 739. pp. 1-22. ISSN 1660-4601

Fakhlaei, Rafieh and Selamat, Jinap and Abdull Razis, Ahmad Faizal and Sukor, Rashidah and Ahmad, Syahida and Babadi, Arman Amani and Khatib, Alfi (2021) In vivo toxicity evaluation of sugar adulterated heterotrigona itama honey using zebrafish model. Molecules, 26 (20). art. no. 6222. pp. 1-20. ISSN 1431-5165; ESSN: 1420-3049

Abdull Razis, Ahmad Faizal and Shehzad, Muhammed Muzammel and Usman, Sunusi and Basheir Ali, Nada and Iqbal, Shahzad Zafar and Naheed, Nadia and Asi, Muhammad Rafique (2020) Seasonal variation in aflatoxins levels in edible seeds, estimation of its dietary intake and vitamin E levels from Southern Areas of Punjab, Pakistan. International Journal of Environmental Research and Public Health, 17 (23). pp. 1-14. ISSN 1660-4601

Mohamed, Zeinab Abdulwanis and Eliaser, Enas Mohamed and Jaafaru, Mohammed Sani and Nordin, Norshariza and Ioannides, Costas and Abdull Razis, Ahmad Faizal (2020) Neuroprotective effects of 7-geranyloxycinnamic acid from Melicope lunu ankenda leaves. Molecules, 25 (16). pp. 1-17. ISSN 1420-3049

Iqbal, Shahzad Zafar and Usman, Sunusi and Abdull Razis, Ahmad Faizal and Basheir Ali, Nada and Saif, Tahmina and Asi, Muhammad Rafique (2020) Assessment of deoxynivalenol in wheat, corn and its products and estimation of dietary intake. International Journal of Environmental Research and Public Health, 17 (15). art. no. 5602. pp. 1-10. ISSN 1660-4601

Zulkafflee, Nur Syahirah and Mohd Redzuan, Nurul Adillah and Selamat, Jinap and Ismail, Mohd Razi and Praveena, Sarva Mangala and Abdull Razis, Ahmad Faizal (2020) Evaluation of heavy metal contamination in paddy plants at the Northern Region of Malaysia using ICPMS and its risk assessment. Plants, 10 (1). pp. 1-16. ISSN 2223-7747

Che Idris, Che Anishas and Siew, Wai Lin and Abdull Razis, Ahmad Faizal (2020) Hypocholesterolaemic and anti-atherogenic effects of palm-based oils (NoveLin I and NoveLin II) in cholesterol-fed rabbits. International Journal of Environmental Research and Public Health, 17 (9). art. no. 3226. pp. 1-10. ISSN 1661-7827; ESSN: 1660-4601

Arumugam, Asvinidevi and Ibrahim, Muhammad Din and Kntayya, Saie Brindha and Mohd Ain, Nooraini and Iori, Renato and Galletti, Stefania and Ioannides, Costas and Abdull Razis, Ahmad Faizal (2020) Induction of apoptosis by gluconasturtiin-isothiocyanate (GNST-ITC) in human hepatocarcinoma HepG2 cells and human breast adenocarcinoma MCF-7 cells. Molecules, 25 (5). art. no. 1240. pp. 1-16. ISSN 1420-3049

Mohd Jaih, Abdul Afiq and Abdul Rahman, Russly and Abdull Razis, Ahmad Faizal and Ariffin, A. A. and Al-Awaadh, A. and Suleiman, N. (2019) Fatty acid, triacylglycerol composition and antioxidant properties of date seed oil. International Food Research Journal, 26 (2). pp. 517-527. ISSN 1985-4668; ESSN: 2231-7546

Zulkafflee, Nur Syahirah and Mohd Redzuan, Nurul Adillah and Hanafi, Zanjabila and Selamat, Jinap and Ismail, Mohd Razi and Praveena, Sarva Mangala and Abdull Razis, Ahmad Faizal (2019) Heavy metal in paddy soil and its bioavailability in rice using in vitro digestion model for health risk assessment. International Journal of Environmental Research and Public Health, 16 (23). art. no. 4769. pp. 1-12. ISSN 1661-7827; ESSN: 1660-4601

Jaafaru, Mohammed Sani and Nordin, Norshariza and Rosli, Rozita and Shaari, Khozirah and Bako, Hauwa'u Yakubu and Saad, Norazalina and Mohd Noor, Noramaliza and Abdull Razis, Ahmad Faizal (2019) Neuroprotective effects of glucomoringin-isothiocyanate against H₂O₂-Induced cytotoxicity in neuroblastoma (SH-SY5Y) cells. NeuroToxicology, 75. pp. 89-104. ISSN 1872-9711; ESSN: 0161-813X

Mohamed, Zeinab Abdulwanis and Eliaser, Enas Mohamed and Mazzon, Emanuela and Rollin, Patrick and Ee, Gwendoline Cheng Lian and Abdull Razis, Ahmad Faizal (2019) Neuroprotective potential of secondary metabolites from Melicope lunu-ankenda (Rutaceae). Molecules, 24 (17). art. no. 3109. pp. 1-21. ISSN 1420-3049

Muanghorn, Wipawan and Konsue, Nattaya and Sham, Hasan and Othman, Zainon and Mohamed, Faizal and Mohd Noor, Noramaliza and Othman, Norsyafiqah and Mohd Noor Akmal, Nur Shamin Shyamimi and Ahmad Fauzi, Nurulhuda and Packiamuthu Dewaprigam Solomen, Mary Margaret and Abdull Razis, Ahmad Faizal (2018) Effects of gamma irradiation on tropomyosin allergen, proximate composition and mineral elements in giant freshwater prawn (Macrobrachium rosenbergii). Journal of Food Science and Technology, 55 (5). 1960 - 1965. ISSN 0022-1155; ESSN: 0975-8402

Abdull Razis, Ahmad Faizal and Arumugam, Asvinidevi (2018) Apoptosis as a mechanism of the cancer chemopreventive activity of glucosinolates: a review. Asian Pacific Journal of Cancer Prevention, 19 (6). 1439 - 1448. ISSN 1513-7368; ESSN: 2476-762X

Che Idris, Che Anishas and Sundram, Kalyana and Abdull Razis, Ahmad Faizal (2018) Effect of consumption heated oils with or without dietary cholesterol on the cevelopment of atherosclerosis. Nutrients, 10 (10). pp. 1-11. ISSN 2072-6643; ESSN: 2072-6643

Sepahpour, Shabnam and Selamat, Jinap and Khatib, Alfi and Abdul Manap, Mohd Yazid and Abdull Razis, Ahmad Faizal and Hajeb, Parvaneh (2018) Inhibitory effect of mixture herbs/ spices on formation of heterocyclic amines and mutagenic activity of grilled beef. Food Additives and Contaminants Part A-Chemistry Analysis Control Exposure & Risk Assessment, 35 (10). 1911 - 1927. ISSN 1944-0049; ESSN: 1944-0057

Eliaser, Enas Mohamed and Jun, Hui Ho and Mohd. Hashim, Najihah and Rukayadi, Yaya and Cheng, Gwendoline Lian Ee and Abdull Razis, Ahmad Faizal (2018) Phytochemical constituents and biological activities of 3 Melicope lunu-ankenda. Molecules, 23 (10). art. no. 2708. pp. 1-22. ISSN 1420-3049

Sani, Mohammed Jaafaru and Abd Karim, Nurul Ashikin and Mohamad Eliaser, Enas and Rollin, Patrick and Mazzon, Emanuela and Abdull Razis, Ahmad Faizal (2018) Protective effect of glucosinolates hydrolytic products in neurodegenerative diseases (NDDs). Nutrients, 10 (5). pp. 1-15. ISSN 2072-6643; ESSN: 2072-6643

Abd Hamid, Hazrulrizawati and Mutazah, Roziasyahira and M.Yusoff, Mashitah and Abd Karim, Nurul Ashikin and Abdull Razis, Ahmad Faizal (2017) Comparative analysis of antioxidant and antiproliferative activities of Rhodomyrtus tomentosa extracts prepared with various solvents. Food and Chemical Toxicology, 108 (2017). 451 - 457. ISSN 0278-6915; ESSN: 1873-6351

Abd Karim, Nurul Ashikin and Ibrahim, Muhammad Din and Kntayya, Saie Brindha and Rukayadi, Yaya and Abd Hamid, Hazrulizawati and Abdull Razis, Ahmad Faizal (2016) Moringa oleifera Lam: targeting chemoprevention. Asian Pacific Journal of Cancer Prevention, 17 (8). pp. 3675-3686. ISSN 1513-7368; ESSN: 2476-762X

Mohd Noor, Noramaliza and A. J., Maryam and S., Hassan and Wan Abdullah, Wan Saffiey and Tamchek, Nizam and M., Faizal and David, A. B. and Abdull Razis, Ahmad Faizal (2016) Characterization of fabricated optical fiber for food irradiation dosimetry. International Food Research Journal, 23 (5). pp. 2125-2129. ISSN 1985-4668; ESSN: 2231-7546

Iqbal, Shahzad Zafar and Selamat, Jinap and Pirouza, A. A. and Abdull Razis, Ahmad Faizal (2015) Aflatoxin M1 in milk and dairy products, occurrence and recent challenges: a review. Trends in Food Science & Technology, 46 (1). pp. 110-119. ISSN 0924-2244

Packiamuthu Dewaprigam Solomen, Mary Margaret and Selamat, Jinap and Abdull Razis, Ahmad Faizal (2015) Allergens derived from shrimp. International Food Research Journal, 22 (5). pp. 1751-1754. ISSN 1985-4668; ESSN: 2231-7546

Abdull Razis, Ahmad Faizal and Mohd Noor, Noramaliza (2015) Naturally-occurring glucosinolates, glucoraphanin and glucoerucin, are antagonists to aryl hydrocarbon receptor as their chemopreventive potency. Asian Pacific Journal of Cancer Prevention, 16 (14). pp. 5801-5805. ISSN 1513-7368

Abdull Razis, Ahmad Faizal and Selamat, Jinap and Hajeb, Parvaneh and Hamidi, Elliyana Nadia (2015) Polycyclic Aromatic Hydrocarbons (PAHs) and its bioaccessibility in meat: a tool for assessing human cancer risk. Asian Pacific Journal of Cancer Prevention, 17 (1). pp. 15-23. ISSN 1513-7368

Abdull Razis, Ahmad Faizal and Ibrahim, Muhammad Din and Kntayya, Saie Brindha (2014) Health benefits of Moringa oleifera. Asian Pacific Journal of Cancer Prevention, 15 (20). pp. 8571-8576. ISSN 1513-7368

Abdull Razis, Ahmad Faizal and Mohd Noor, Noramaliza and Konsue, Nattaya (2014) Induction of epoxide hydrolase, glucuronosyl transferase and sulfotransferase by phenethyl isothiocyanate in male Wistar albino rats. BioMed Research International, 2014. art. no. 391528. pp. 1-5. ISSN 2314-6133; ESSN: 2314-6141

N. S., Zainin and Lau, K. Y. and Zakaria, M. and Radu, Son and Abdull Razis, Ahmad Faizal and Rukayadi, Yaya (2013) Antibacterial activity of Boesenbergia rotunda (L.) Mansf. A. extract against Escherichia coli. International Food Research Journal, 20 (6). pp. 3319-3323. ISSN 1985-4668; ESSN: 2231-7546

Abdull Razis, Ahmad Faizal and Mohd Noor, Noramaliza (2013) Cruciferous vegetables: dietary phytochemicals for cancer prevention. Asian Pacific Journal of Cancer Prevention, 14 (3). pp. 1565-1570. ISSN 1513-7368

Abdull Razis, Ahmad Faizal and Mohd Noor, Noramaliza (2013) Sulforaphane is superior than glucoraphanin in modulating carcinogen-metabolising enzymes in Hep G2 cells. Asian Pacific Journal of Cancer Prevention, 14 (7). pp. 4235-4238. ISSN 1513-7368

Abdull Razis, Ahmad Faizal and De Nicola, Gina Rosalinda and Pagnotto, Eleonora and Iori, Renato and Ioannides, Costas (2013) A glucosinolate-rich extract of Japanese Daikon perturbs carcinogen-metabolizing enzyme systems in rat, being a potent inducer of hepatic glutathione S-transferase. European Journal of Nutrition, 52 (3). pp. 1279-1285. ISSN 1436-6207: ESSN; 1436-6215

Ismail, Norsharina and Azmi, Nur Hanisah and Mastuki, Siti Nurulhuda and Saad, Norazalina and Abdull Razis, Ahmad Faizal (2019) Antidesma montanum: biochemistry and bioactive compounds. In: Wild Fruits: Composition, Nutritional Value and Products. Springer, Switzerland, 359 - 365. ISBN 9783030318857

Abdull Razis, Ahmad Faizal and Arumugam, Asvinidevi and Konsue, Nattaya (2017) Glucosinolates and isothiocyanates: cancer preventive effects. In: Fruit and Vegetable Phytochemicals: Chemistry and Human Health. John Wiley & Sons, 199 - 210. ISBN 9781119157946; EISBN: 9781119158042

Mohd Jaih, Abdul Afiq and Abdul Rahman, Russly and Abdull Razis, Ahmad Faizal and Ariffin, A. A. and Al-Awaadh, A. and Selamat, Jinap (2017) Supercritical fluid extraction of date seed oil. In: International Food Research Conference (IFRC 2017), 25-27 July 2017, Complex of the Deputy Vice Chancellor (Research and Innovation), Universiti Putra Malaysia. (pp. 117-120).

Mohd Noor, Noramaliza and Jusoh, Mohamad Ashry and Abdull Razis, Ahmad Faizal and Ariffin, Alawiah and Bradley, David Andrew (2014) Flat Ge-doped optical fibres for food irradiation dosimetry. In: National Physics Conference 2014 (PERFIK 2014), 18-19 Nov. 2014, Kuala Lumpur, Malaysia. (pp. 1-6).

Konsue, Nattaya and Abdull Razis, Ahmad Faizal (2014) Phenethyl isothiocyanate suppresses the benzo[a]pyrenemediated rise in hepatic CYP1A1 mRNA. In: 7th General Assembly and International Conference of Asian Pacific Organization for Cancer Prevention, 20-23 Mar. 2014, Taipei, Taiwan. . (Unpublished)

Abdull Razis, Ahmad Faizal and Abdul hamid, Zubaidah aimi Ubi gadong ganti tepung gandum. in Utusan Malaysia, (27 June 2022), p. 18. (Call Number: 2022/06/155)

Abdull Razis, Ahmad Faizal (2007) Cloning and Expression of Recombinant Human Epidermal Growth Factor In Escherichia Coli. Masters thesis, Universiti Putra Malaysia.