2024

Sim, D., Tan, I., Lim, L. L. P., Lau, E., & Hameed, B. (2024). Synthesis of tapioca starch/palm oil encapsulated urea-impregnated biochar derived from peppercorn waste as a sustainable controlled-release fertilizer. Waste Management, 173, pp 51–61. https://doi.org/10.1016/j.wasman.2023.11.006

2023

Sulok, K. M. T., Ganie, A. T. H., Ee, K. P., Mee, W. C., Shang, C. Y., Mercer, Z. J. A., Haruna, A. O., & Suhaili, A. (2023). Foliar Spectral Signature Analysis of Three Pepper (Piper nigrum L.) Cultivars in Malaysia. Journal of Tropical Plant Physiology, 15(1), p 11. https://doi.org/10.56999/jtpp.2023.15.1.26

2022

Khew, C. Y., Koh, C. M. M., Chen, Y. S., Sim, S. L., & Mercer, Z. J. A. (2022). The current knowledge of black pepper breeding in Malaysia for future crop improvement. Scientia Horticulturae, 300, p111074.

https://doi.org/10.1016/j.scienta.2022.111074

Khew, C. Y., Koh, C. M. M., Hwang, S., S. (2022). A review on the main compound of Black pepper (Piper nigrum), Piperine, in diabetes management: How the everyday spice could improve insulin sensitivity? https://scholar.google.com/citations?view_op=view_citation&hl=en&user=Wq5aWeIAAAAJ&citation_for_view=Wq5aWeIAAAAJ:kNdYIx-mwKoC

Angela, T. H. G (2022). Nitrogen deficiency effects on chlorophyll content, normalized difference vegetation index (NDVI) and foliar spectral reflectance properties if Piper nigrum L. Conference proceeding.

2021

Khew, C. Y., Teow, Y. Q., Lau, E. T., Hwang, S. S. & Bong, C. H. (2021). Evaluation of deep learning for image-based black pepper disease and nutrient deficiency classification. 2nd International Conference on Artificial Intelligence and Data Sciences (AiDAS). https://scholar.google.com/citations?view_op=view_citation&hl=en&user=Wq5aWeIAAAAJ&citation_for_view=Wq5aWeIAAAAJ:MXK_kJrjxJIC

Sulok, K. M. T., Ahmed, O. H., Khew, C. Y. (2021). Use of organic soil amendments to improve soil health and yield of immature pepper (Piper nigrum L.). Org. Agr., 11, pp 145–161. https://doi.org/10.1007/s13165-020-00340-0

Sulok, K. M. T.,  Ahmed, O. H., Khew, C. Y.,  Zehnder, J. A. M., Jalloh, M. B., Musah, A. A. & Abdu, A. (2021). Chemical and Biological Characteristics of Organic Amendments Produced from Selected Agro-Wastes with Potential for Sustaining Soil Health: A Laboratory Assessment. Sustainability, 13, p 4919. https://doi.org/10.3390/su13094919

Sulok, K. M. T., Ahmed, O. H., Khew, C. Y.,  Zehnder, J. A. M., Lai, P. S., Jalloh, M. B., Musah, A. A., Awang, A. & Abdu, A. (2021). Effects of Organic Amendments Produced from Agro-Wastes on Sandy Soil Properties and Black Pepper Morpho-Physiology and Yield. Agronomy, 11, p 1738. https://doi.org/10.3390/agronomy11091738

Ling, J. J. (2021). Development of DEET-free mosquito repellent from pepper waste. Bridging Traditional Knowledge & Natural Products Innovations Towards Wellness and Shared Prosperity. Forest Research Institute Malaysia 2021. https://www.frim.gov.my/publication/maps_tk

Wong, C. M. & Ling, J. J. (2021). Chemical standardisation and quantification of piperine from black peppercorns extract for product development. Bridging Traditional Knowledge & Natural Products Innovations Towards Wellness and Shared Prosperity. Forest Research Institute Malaysia 2021. https://www.frim.gov.my/publication/maps_tk

Angela, T. H. G., Wong, C. M., Wan, A. & Genevie, S. S. (2021). Evaluation of planting media for mass production and yield of tuba roots. Bridging Traditional Knowledge & Natural Products Innovations Towards Wellness and Shared Prosperity. Forest Research Institute Malaysia 2021. https://www.frim.gov.my/publication/maps_tk

2020

Lau, E. T., Tani, A., Khew, C. Y., Chua, Y. Q., & Hwang, S. S. (2020). Plant growth-promoting bacteria as potential bio-inoculants and biocontrol agents to promote black pepper plant cultivation. Microbiological Research, 240, p 126549. https://doi.org/10.1016/j.micres.2020.126549

Lau, E. T., Khew, C. Y & Hwang, S. S. (2020). Transcriptomic analysis of pepper plants provides insights into host responses to Fusarium solani infestation. Journal of biotechnology, 314, p 53 – 62. https://scholar.google.com/citations?view_op=view_citation&hl=en&user=Wq5aWeIAAAAJ&citation_for_view=Wq5aWeIAAAAJ:YsMSGLbcyi4C

Chen, Y. S. & Cheksum, S. T. (2020). Analysis of qualitative and quantitative trait variability among black pepper (Piper nigrum L.) cultivars in Malaysia. Pertanika Journal of Science & Technology, 43(3). http://www.pertanika.upm.edu.my/pjst/browse/regular-issue?article=JTAS-1943-2019

Chen, Y. S., & Tawan, C. (2020). Botany, diversity, and distribution of black pepper (Piper nigrum L.) cultivars in Malaysia. Borneo Journal of Resource Science and Technology, 10(1), p 10–23. https://doi.org/10.33736/bjrst.1566.2020

Chen, Y. S. (2020). Phenotypic, taxonomy, phytochemical and physiological characterization of black pepper (Piper nigrum L.) cultivars in Malaysia. PhD thesis, Universiti Malaysia Sarawak (UNIMAS). https://ir.unimas.my/id/eprint/31415/

Khew, C. Y., Mori, I. C. & Matsuura, T. (2020). Hormonal and transcriptional analyses of fruit development and ripening in different varieties of black pepper (Piper nigrum). J Plant Res, 133, pp 73–94 . https://doi.org/10.1007/s10265-019-01156-0.

Khew, C. Y., Harikrishna, J. A., Wee, W. Y., Lau, E. T., & Hwang, S. S. (2020). Transcriptional sequencing and gene expression analysis of various genes in fruit development of three different black pepper (Piper Nigrum L.) varieties. International Journal of Genomics, p 1-18.https://doi.org/10.1155/2020/1540915

Sulok, K. M. T., Ahmed, O. H., Khew, C. Y., Lai, P. S., Zehnder, J. A. M., & Wasli, M. E. (2020). Effects of Organic Soil Amendments on Photosynthetic Traits of Black Pepper (Piper nigrum L.) in an Alluvial Soil. Applied and Environmental Soil Science, p 1–13. https://doi.org/10.1155/2020/8880162

2019

Khew, C. Y. (2019). A molecular study of fruit development in black pepper (Piper nigrum L.). PhD thesis, Swinburne University of Technology. http://hdl.handle.net/1959.3/455770

Lau, E. T. (2019). The studies of defence-related transcriptome and potential biocontrol strategies in black pepper (Piper nigrum L.). PhD thesis, Swinburne University of Technology. http://hdl.handle.net/1959.3/452893

Sulok, K. M. T., Haruna, A. O., Chen, Y. S., & Zehnder, J, A. M. (2019). Leaf stomatal density and distribution in black pepper under field conditions. Journal of Tropical Plant Physiology, 11(1), pp 24 –31. https://www.cabdirect.org/cabdirect/abstract/20203297050

2018

Chen, Y. S., Dayod, M., & Tawan, C. (2018). Phenetic analysis of cultivated black pepper (Piper nigrum L.) in Malaysia. International Journal of Agronomy, pp 1–11. https://doi.org/10.1155/2018/3894924

Chen, Y. S., Dayod, M., & Tawan, C. (2018). Anther dehiscence, pollen viability and stigma receptivitystudy on cultivars of black pepper (Piper nigrum L.). Pertanika Journal of Tropical Agricultural Science, 41(2).

 Adam, A., Kho, P. E., Sahari, N., Angela, T., Chen, Y. S., Sulok, K. M. T., Kamarudin, S. and Mohamad, H. (2018). DR.LADA: Diagnosing black pepper pest and diseases with decision tree. International Journal on Advanced Science, Engineering and Information Technology, 8(4-2), pp 1584-1590.

Khew, C. Y., Sulok, K. M. T., Chen, Y. S., Wong, C. M., Zehnder, J. A. M. &  Aniza, S. N. (2018). Kenaf-Based Composite Posts as Alternative Supports for Black Pepper (Piper nigrum L.). Pertanika Journal of Tropical Agricultural Science, 41(1).

Sulok, K. M. T., Ahmed, O. H., Khew, C. Y., & Zehnder, J. A. M. (2018). Introducing natural farming in black pepper (Piper nigrum L.) cultivation. International Journal of Agronomy, pp 1 – 6. https://doi.org/10.1155/2018/9312537

Wong, C. M., Jing, L., Neilsen, P. M., & Hwang, S. S. (2018). Bioassay-guided fractionation of wound healing active compounds from Piper nigrum L. berries extract in Malaysia. Pharmaceutical and Biosciences Journal, pp 19–27. https://doi.org/10.20510/ukjpb/6/i4/175597

2017

Angela, T. H. G., Wong, C. M., Sang, J. & Wan, A. (2018). Evaluation of neem oil pesticide against scale insects (Hemiptera: Diaspididae) of Piper nigrum L. Malaysian Society of Plant Physiology, 25 (1), pp 212-216.

Augustine, J. B. (2017). Pepper based food products from green pepper berries. Procceding conference 2017.

Kho, P. E. & Chen, Y. S. (2017). Novel farming innovation for high production of black pepper (Piper nigrum L.) planting materials. Journal of Agricultural Science and Technology, 7(5). https://doi.org/10.17265/2161-6264/2017.05.001

Kho, P. E., Sim, S. L. and Khalid, N. (2017) Somatic embryogenesis and plant regeneration in black pepper (Piper nigrum L.). Proceeding of the International Conference on Recent Trends In Biotechnology and Biodiversity Conservation For Sustainable Development, Le Meridien Hotel, Kota Kinabalu, Sabah, Malaysia, 26-29 September 2017. p. 40          

Angela, T. H. G. (2017). Evaluation of Derris elliptica extract on black pepper pests. Proceedings of International Conference On Recent Trends In Biotechnology And Biodiversity Conservation For Sustainable Development. Le Meridien Hotel, Kota Kinabalu, Sabah, Malaysia.26-29 September 2017, p.46.

2014

Chen, Y. S. & Kho, P. E. (2014). Innovation on pepper (Piper nigrum L.) farming to ensure high production of planting materials. International Conference on Plant Physiology 2014. https://www.researchgate.net/publication/377413086_Innovation_on_Pepper_Piper_nigrum_L_Farming_to_Ensure_High_Production_of_Planting_Materials#fullTextFileContent

Sulok K. M. T., Zainudin S. R., Jarroop Z., Chen, Y. S. & Lanying F. (2014). Effect of leguminous cover crop (Calopogonium mucunoides desv.) on leaf N, chlorophyll content and gas exchange rate of black pepper (Piper nigrum L.). Journal Tropical Plant Physiology, 6, pp 50-56.

Wong, C. M., & Jing, L. (2014). In vitro study of wound healing potential in black pepper (Piper nigrum L.). Pharmaceutical and Biosciences Journal, pp 5 -9. https://doi.org/10.20510/ukjpb/2/i4/91104

2013

Nurasyikin, A. R. (2013). Chemical Composition and Antimicrobial Activity of Purified Piper nigrum Oil. The Proceeding of The 26th Regional Symposium of Malaysia Analytical Sciences.

2012

Lau, E. T., San, H. S., Eng, L., & Det, P. A. (2012). Cloning and characterization of Resistance Gene Analogues (RGAs) from Piper nigrum L. cv. Semongok Aman and Piper colubrinum L. APCBEE Procedia, 4, pp 215–219. https://doi.org/10.1016/j.apcbee.2012.11.036

Chen, Y. S & Tawan, C. S., Det, P. A. & Sim, S. L. (2012).  A study on pollen viability of Piper colubrinum Link. Journal of Agricultural Science and Technology,2, pp. 1177-1183. ISSN 1939-1250

Chen, Y. S. (2011). A study on interspecific hybridization between piper nigrum and piper colubrinum. Masters thesis, Universiti Malaysia Sarawak, (UNIMAS)

Nurasyikin, A. R., Norashikin, I, A, R., Zainab, N., Vannessa, L., & Mohamad, K. N. B. (2012). Green production of eco magical pepper crystals. The Proceeding of The 4th Tropical Natural Resources Through Innovations, Technologies and Practices. ISBN: 978-967-5418-273.