1. Yaacob, J., N. Abdul Halim, S. Ashokhan, H. Ali and R. Othman, 2019. Distribution of carotenoids and vitamin A activity in aerial organs of selected underutilized Malaysian “ulam” or traditional vegetables (Averrhoa carambola, Manihot esculenta and Ipomoea batatas). Pigment Resin Technol., 48: 148-155.
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2. Othman, R., N.A.M. Amin, A.E. Abu Bakar, N.A. Fadzillah and N. Mahmad, 2019. Carotenoid pigments of red, green and brown macroalgae species as potential active pharmaceutical ingredients. J. Pharm. Nutr. Sci., 9: 14-19.
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3. Othman, R., M. Abdurasid, N. Mahmad and N.A. Fadzillah, 2019. Alkaline-based curcumin extraction from selected zingiberaceae for antimicrobial and antioxidant activities. Pigment Resin Technol., 48: 293-300.
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4. Mahmud, M., S. Ramasamy, R. Othman, R. Abdullah and J.S. Yaacob, 2019. Effect of vermicompost application on bioactive properties and antioxidant potential of MD2 pineapple fruits. Agronomy, Vol. 9, No. 2. 10.3390/agronomy9020097.
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5. Fadzillah, N.A., R. Othman, N.M. Hassan, A.E. Abu Bakar, N.H. Noh and N. Mahmad, 2019. Bioactivity and stability studies of betalain-containing extracts from Beta vulgaris L. J. Pharm. Nutr. Sci., 9: 81-86.
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6. Fadzillah, N.A., A. Rohman, A. Ismail, Y.N. Abdul Manaf and A.S. Rosman et al., 2019. Chemometrics analysis combined with GC-MS and NMR spectroscopy analysis of fatty acids as a means of discriminating butterfat adulteration. J. Pharm. Nutr. Sci., 9: 87-94.
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7. Ashokhan, S., S. Ramasamy, S. Karsani, R. Othman and J. Yaacob, 2019. Analysis of bioactive pigments in coloured callus of Azadirachta indica for possible use as functional natural colourants. Pigment Resin Technol., 48: 9-19.
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8. Sallehudin, N.J., R.A. Raus, M. Mustapa, R. Othman and M. Mel, 2018. Screening of lutein content in several fresh-water microalgae. Int. Food Res. J., 25: 2307-2312.
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9. Othman, R., N.H. Noh, F.A. Hatta and M.A. Jamaludin, 2018. Natural carotenoid pigments of 6 chlorophyta freshwater green algae species. J. Pharm. Nutr. Sci., 8: 1-5.
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10. Othman, R., N.A. Amin, M.S.A. Sani, N.A. Fadzillah and M.A. Jamaludin, 2018. Carotenoid and chlorophyll profiles in five species of Malaysian seaweed as potential Halal Active Pharmaceutical Ingredient (API). Int. J. Adv. Sci. Eng. Inform. Technol., 8: 1610-1616.
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11. Othman, R., A.E. Abu Bakar, N. Mahmad and N. Shahidan, 2018. Chromaticity stability of beta-carotene from pumpkin (Cucurbita moschata). Int. J. Eng. Technol., 7: 145-148.
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12. Mahmad, N., R. Taha, R. Othman, S. Abdullah, N. Anuar, H. Elias and N. Rawi, 2018. Anthocyanin as potential source for antimicrobial activity in Clitoria ternatea L. and Dioscorea alata L. Pigment Resin Technol., 47: 490-495.
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13. Ismail, A., N. Shahidan, R. Othman and N. Mat, 2018. Carotenoid content and Retinol Activity Equivalents (RAE) of seven varieties of Mas Cotek (Ficus deltoidea) leaf extracts. Int. J. Eng. Technol., 7: 158-163.
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14. Irna, C., I. Jaswir, R. Othman and D.N. Jimat, 2018. Optimization of high-pressure processing in extraction of astaxanthin from Penaeus monodon carapace using response surface methodology. J. Food Process Eng., Vol. 41, No. 8. 10.1111/jfpe.12880.
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15. Irna, C., I. Jaswir, R. Othman and D.N. Jimat, 2018. Comparison between high-pressure processing and chemical extraction: Astaxanthin yield from six species of shrimp carapace. J. Dietary Suppl., 15: 805-813.
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16. Husin, S.Z., M. Mahmud, S. Ramasamy, R. Othman and J.S. Yaacob, 2018. Effect of seedling size and flowering time on fruit quality, secondary metabolite production and bioactivity of pineapple [Ananas comosus (L.) Merr. var. 'Yankee'] fruits. Malays. J. Fundam. Applied Sci., 14: 102-108.
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17. Elias, H., R.M. Taha, N. Hasbullah, R. Othman, N. Mahmad, A. Saleh and S. Abdullah, 2018. Detection and quantification of natural pigments extracted from callus of Echinocereus cinerascens. Pigment Resin Technol., 47: 464-469.
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18. Din, S.A.M., R. Othman and N.N.H.N. Yahya, 2018. Metals in respirable and inhalable dust at educational institutions. Plann. Malaysia J., 16: 21-29.
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19. Din, S.A.M., N.N.H.N. Yahya and R. Othman, 2018. Metal exposure in respirable and inhalable dust by the locality of coal-fired power plant. Plann. Malaysia J., 16: 30-38.
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20. Din, S.A.M., N.B.M. Husin and R. Othman, 2018. Inhalable and respirable dust concentration of soiled stone, metal and ceramic artefact inside National Museum Malaysia. Plann. Malaysia J., 16: 293-303.
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21. Anuar, N., R.M. Taha, N. Mahmad and R. Othman, 2018. Identification of crocin, crocetin and zeaxanthin in Crocus sativus grown under controlled environment in Malaysia. Pigment Resin Technol., 47: 502-506.
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22. Ali, H., S.A. Karsani, R. Othman and J.S. Yaacob, 2018. Production of coloured callus in Orthosiphon stamineus Benth and antioxidant properties of the extracted pigments. Pigment Resin Technol., 47: 196-207.
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23. Ismail, A., N. Norshazila, R. Othman and N. Mat, 2018. Callus induction from leaf explants of Mas Cotek (Ficus deltoidea var. bilobata) treated with 6-Benzylaminopurine (BAP) and 4-amino-3, 5, 6-trichloropicolinic acid (picloram). Int. J. Eng. Technol., 7: 164-167.
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24. Saifuddin, S., R.B. Othman, M.H.A.B.M. Hashim and I.B. Jasmani, 2017. Defining criterias of Shariah compliant hotel rooms. Adv. Sci. Lett., 23: 6304-6308.
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25. Othman, R., S.I. Hasni, Z.M. Baharuddin, K.S.H.Y. Hashim and L.H. Mahamod, 2017. Key indicator tools for shallow slope failure assessment using soil chemical property signatures and soil colour variables. Environ. Sci. Pollut. Res., 24: 22861-22872.
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26. Othman, R., S.F.A.A. Halim, F.A.M. Hatta and M. Aizat, 2017. Carotenoid content and composition in 20 medicinal plant species of traditional Malay midwifery postnatal bath. J. Pharm. Nutr. Sci., 7: 193-197.
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27. Othman, R., S. Kamoona, I. Jaswir, P. Jamal and F.A.M. Hatta, 2017. Stability of carotenoid composition in orange sweet potato (Ipomoea batatas) tuber flesh over three growing seasons and 6 months storage time. J. Pharm. Nutr. Sci., 7: 158-163.
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28. Othman, R., S. Kammona, I. Jaswir, P. Jamal and H. Mohd, 2017. Influence of growing location, harvesting season and post-harvest storage time on carotenoid biosynthesis in orange sweet potato (Ipomoea batatas) tuber flesh. Int. Food Res. J., 24: S488-S495.
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29. Othman, R., S. Kammona, I. Jaswir, P. Jamal and H. Mohd, 2017. Effect of abiotic stress on carotenoids accumulation in orange sweet potato callus under light and dark conditions. Int. Food Res. J., 24: S481-S487.
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30. Othman, R., N. Noh, A.F. Nurrulhidayah, H.A. Hamizah and M.A. Jamaludin, 2017. Determination of natural carotenoid pigments from freshwater green algae as potential Halal food colorants. Int. Food Res. J., 24: S468-S471.
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31. Othman, R., F.A.M. Zaifuddin and N.M. Hassan, 2017. Isolation and purification of β-carotene from Morinda citrifolia as HPLC standard and active pharmaceutical ingredient. J. Pharm. Nutr. Sci., 7: 95-99.
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32. Othman, R., F.A.M. Zaifuddin and N.M. Hassan, 2017. Characterisation of carotenoid and total retinol equivalent content in Ulam and medicinal species as alternative food intervention to combat vitamin A deficiency. J. Pharm. Nutr. Sci., 7: 81-87.
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33. Norshazila, S., R. Othman, I. Jaswir and Z. Yumi, 2017. Effect of abiotic stress on carotenoids accumulation in pumpkin plants under light and dark conditions. Int. Food Res. J., 24: S387-S394.
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34. Norshazila, S., C.N. Koy, O. Rashidi, L.H. Ho, I. Azrina, R.A.N. Zaizuliana and Z. Zarinah, 2017. The effect of time, temperature and solid to solvent ratio on pumpkin carotenoids extracted using food grade solvents. Sains Malaysiana, 46: 231-237.
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35. Nasir, N.M., M. Ibrahim, L.H. Mahamod and R. Othman, 2017. Challenges to implement carrying capacity framework: A case study of Pulau Perhentian Marine Park institutional framework. Plann. Malaysia J., 15: 163-168.
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36. Mahmud, I.A., M.E.S. Mirghani, M.F.R. Alkhatib, F. Yusof, M. Shahabuddin, O. Rashidi and J.I. Daoud, 2017. Nutrients depictions of Barhi date palm (Phoenix dactylifera L.) kernels. Int. Food Res. J., 24: S325-S334.
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37. Jamaludin, M.A., A. Amin, N.A. Fadzlillah, B. Kartika, R. Othman, S. Sani and A. Ramli, 2017. Study on physiochemical properties and the halalness of commercially marketed vinegar in Malaysia. Int. Food Res. J., 24: S428-S435.
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38. Fadzillah, N.A., A. Rohman, R.A. Salleh, I. Amin and M. Shuhaimi et al., 2017. Authentication of butter from lard adulteration using high-resolution of nuclear magnetic resonance spectroscopy and high-performance liquid chromatography. Int. J. Food Prop., 20: 2147-2156.
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39. Din, S.A.M., N.N.H.N. Yahya, R. Othman and A. Abdullah, 2017. Influence of coal-fired power plant combustions toward neighbourhood residents. Adv. Sci. Lett., 23: 6114-6117.
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40. Din, S.A.M., N.N.H.N. Yahya and R. Othman, 2017. Inhalable and respirable dust metal concentration in existing and construction stage of airport infrastructure. Adv. Sci. Lett., 23: 6123-6126.
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41. Din, S.A.M., N.B.M. Husin and R. Othman, 2017. The characterisations of airborne particulates soiling defect towards museum artefacts. Adv. Sci. Lett., 23: 6281-6284.
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42. Baharuddin, Z.M., N. Rusli, L. Ramli, R. Othman and M. Yaman, 2017. The diversity of birds and frogs species at Perdana Botanical Lake Garden, Kuala Lumpur, Malaysia. Adv. Sci. Lett., 23: 6256-6260.
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43. Shazana, A.R., M. Masturah, S.B. Badlishah, O. Rashidi and A. Russly, 2016. Optimisation of supercritical fluid extraction of astaxanthin from Penaeus monodon waste using ethanol-modified carbon dioxide. J. Eng. Sci. Technol., 11: 722-736.
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44. Othman, R., S.Z. Abu Kasim, K.S.H. Hashim and Z.M. Baharuddin, 2016. Evaluation of carbon reduction through integration of vertical and horizontal landscape design for hotel premises. J. Environ. Biol., 37: 1187-1190.
    PubMed  |  
45. Othman, R., S.I. Hasni and Z.M. Baharuddin, 2016. Analysis of heavy metals as a key indicator to predict shallow slope failure. J. Environ. Biol., 37: 1181-1185.
    PubMed  |  
46. Othman, R., N.F.M. Noor, K.S.H.Y. Hashim, M. Yaman, F. Abdullah and S. Suid, 2016. Assessment of urban park landscape setting design towards carbon sequestration rate. Social Sci., 11: 4918-4923.
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47. Jamaludin, M.A., D.M. Hashim, R.A. Rahman, M.A. Ramli, M.Z.A. Majid, R. Othman and A. Amin, 2016. Determination of permissible alcohol and vinegar in Shariah and scientific perspectives. Int. Food Res. J., 23: 2737-2743.
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48. Rashidi, O., M.L.N. Hanie, M.D. Saufi, A.K.S. Zubaidah, M.B. Zainul and H.Y.H.K. Syakirin, 2015. Muslim-friendly's homestay in Malaysia: Issues and challenges. Adv. Sci. Lett., 21: 1655-1657.
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49. Rashidi, O., A.K.S. Zubaidah, H.Y.H.K. Syakirin, M.B. Zainul and H.M. Lukman, 2015. Carbon sequestration rate modelling system for hotel and resort green spaces. Adv. Sci. Lett., 21: 1633-1637.
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50. Othman, R., S.Z.A. Kasim, K.S.H.Y. Hashim, N.H.M. Latiff and L.H. Mahamod, 2015. Rating tools for Shariah compliant hospitality and services: landscape design stage. Adv. Sci. Lett., 21: 1643-1646.
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51. Othman, R., S.Z.A. Kasim, K.S.H.Y. Hashim and N.F.M. Noor, 2015. Novel landscape design model system approach: Monitoring, predicting and calculating carbon sequestration rate for tourism accommodation premises green spaces. J. Teknol., 77: 89-99.
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52. Othman, R., S.S. Saffinee, K.S.H.Y. Hashim, Z.M. Baharuddin, L.H. Mahamod and M. Ibrahim, 2015. Shariah compliant audit checklist for tourism accommodation premises. Adv. Sci. Lett., 21: 1721-1724.
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53. Othman, R., S.F.A. Abdul Halim, K.S.H.Y. Hashim, Z.M. Baharuddin and L.H. Mahamod, 2015. The emergence of Islamic spa concept. Adv. Sci. Lett., 21: 1750-1753.
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54. Othman, R., R.I. Shaharuddin, Z.M. Baharuddin, K.S.H.U. Hashim and M.S.I. Hasni, 2015. Assessment of aquatic ecosystem status using macrophyte species as key tools indicator for heavy metal pollution. J. Teknol., 77: 119-123.
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55. Othman, R., R. Ramya, Z.M. Baharuddin, K.S.H.Y. Hashim and M. Yaman, 2015. Response of Lemna minor and Salninia natans as phyroremediation agents towards Fe, Cu and Zn toxicities via in vivo model system. J. Teknol., 77: 101-109.
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56. Othman, R., R. Ramya, Z.M. Baharuddin, K.S.H.Y. Hashim and M. Yaman, 2015. Ecological indicator agents for inorganic contaminants state monitoring through Sonneratia alba, Avicennia alba and Rhizophora apiculata. J. Teknol., 77: 111-118.
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57. Othman, R., N.H.M. Latiff, I. Tukiman and K.S.H.Y. Hashim, 2015. Effects of altitude and microclimate on the distribution ferns in and urban areas. J. Teknol., 77: 125-131.
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58. Othman, R., F.A.M. Zaifuddin and N.M. Hassan, 2015. Potential sources for lipid soluble food colorants from selected Malaysian traditional vegetables. Malays. J. Anal. Sci., 19: 268-274.
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59. Othman, R., F.A.M. Zaifuddin and N.M. Hassan, 2015. Constitutive, institutive and up-regulation of carotenogenesis regulatory mechanism via in vitro culture model system and elicitors. Malays. J. Anal. Sci., 19: 437-444.
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60. Muhamad, W.N.A.W., R. Othman, R.I. Shaharuddin and M.S. Irani, 2015. Microorganism as plastic biodegradation agent towards sustainable environment. Adv. Environ. Biol., 9: 8-13.
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61. Mahamod, L.H., W.N.A.W. Yahya, W.N.W. Shamsuddin, R. Othman, K.S.H.Y. Hashim and M. Ibrahim, 2015. Islamic tourism: Beyond than just Halal food and a place for prayer. Adv. Sci. Lett., 21: 2085-2088.
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62. Kammona, S., R. Othman, I. Jaswir and P. Jamal, 2015. Characterisation of carotenoid content in diverse local sweet potato (Ipomoea batatas) flesh tubers. Int. J. Pharm. Pharmaceut. Sci., 7: 347-351.
    Direct Link  |  
63. Din, S.A.M., R. Othman, N.N.H.N. Yahya and N. Hanapi, 2015. Inhalable and respirable dust from coal-fired power plant. J. Teknol., 77: 1-6.
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64. Din, S.A.M., N.N.H.N. Yahya and R. Othman, 2015. Sustainable hospital for urban residents. J. Teknol., 77: 13-17.
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65. Baharuddin, Z.M., L. Ramli and R. Othman, 2015. The diversity of amphibian species in urban lake as ecological indicator for healthy aquatic environment. Alam Cipta: Int. J. Sustain. Trop. Des. Res. Pract., 8: 70-76.
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66. Zaifuddin, F.A.M., N.M. Hassan and R. Othman, 2014. Quantification of pro-vitamin a activities and content in 22 selected 'ULAM' species or Malaysian traditional vegetables. Int. J. Pharm. Pharmaceut. Sci., 6: 9-12.
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67. Radzali, S.A., B.S. Baharin, R. Othman, M. Markom and R.A. Rahman, 2014. Co-solvent selection for supercritical fluid extraction of astaxanthin and other carotenoids from Penaeus monodon waste. J. Oleo Sci., 63: 769-777.
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68. Othman, R., N.A.B. Hanifah and R.I. Shaharuddin, 2014. Aquatic plants as phytoindicator for heavy metals contaminant in polluted freshwater bodies. Res. J. Applied Sci., 9: 1225-1229.
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69. Othman, R., F.A.M. Zaifuddin and N.M. Hassan, 2014. Carotenoid biosynthesis regulatory mechanisms in plants. J. Oleo Sci., 63: 753-760.
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70. Othman, R., F.A.M. Hatta and S. Shafiai, 2014. Biomonitoring agent for heavy metals run off from acid sulfate soil of aquaculture industries in Selangor, Malaysia. Res. J. Applied Sci., 9: 1230-1233.
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71. Norshazila, S., J. Irwandi, R. Othman and H.Y.Y. Zuhanis, 2014. Carotenoid content in different locality of pumpkin (Cucurbita moschata) in Malaysia. Int. J. Pharm. Pharmaceut. Sci., 6: 29-32.
    Direct Link  |  
72. Nasir, N.A.M., H. Anuar, M. Mel, R. Othman, N.S. Mohamed, A.F.M. Ithnin and M.K.A. Uyup, 2014. Study of chemical and thermal properties of Kenaf biomass-based Polylactic Acid (PLA). Adv. Environ. Biol., 8: 633-638.
    Direct Link  |  
73. Mahmad, N., R.M. Taha, R. Othman, A. Saleh, N.A. Hasbullah and H. Elias, 2014. Effects of NAA and BAP, double-layered media and light distance on in vitro regeneration of Nelumbo nucifera Gaertn. (lotus), an aquatic edible plant. Scient. World J., Vol. 2014. 10.1155/2014/745148.
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74. Jaswir, I., N. Shahidan, R. Othman, Y.Z.H.Y. Hashim, F. Octavianti and M.N.B. Salleh, 2014. Effects of season and storage period on accumulation of individual carotenoids in pumpkin flesh (Cucurbita moschata). J. Oleo Sci., 63: 761-767.
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75. Ismail, N.I., Y.Z.H.Y. Hashim, P. Jamal, H.M. Salleh and R. Othman, 2014. Ultrasonic-assisted extraction of thiols from garlic bulbs. Adv. Environ. Biol., 8: 725-728.
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76. Hussein, S.M., I. Jaswir, P. Jamal and R. Othman, 2014. Carotenoid stability and quantity of different sweet potato flesh colour over postharvest storage time. Adv. Environ. Biol., 8: 667-671.
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