Browsing by Author "Rukayadi, Yaya"
Now showing items 1-18 of 18
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Activity of panduratin a isolated from Kaemferia pandurata Roxb. against multi-species oral biofilms in vitro
Yanti | Rukayadi, Yaya | Lee, Kwan-Hyoung | Hwang, Jae-Kwan (2009)The formation of dental biofilm caused by oral bacteria on tooth surfaces is the primary step leading to oral diseases. This study was performed to investigate the preventive and reducing effects of panduratin A, isolated ... -
Analisis profil DNA genom sejumlah isolat Xanthomonas campestris pv. glycines dengan menggunakan elektrophoresis gel Medan berpulsa (pulsed-field gel electrophoresis)
Rukayadi, Yaya | Suwanto, Antonius | Tjahjono, Budi | Sukartono, Maggy Thenawidjaja (1995)Penyakit bisul bakteri merupakan salah satu dari tiga penyakit bakterial pada tanaman kedelai di Indonesia yang belum dapat ditanggulangi dengan baik, sehingga menjadi salah satu sebab utama rendahnya produksi kedelai di ... -
Challenges and opportunities in applying temulawak (Curcuma xanthorrhiza Roxb.) for industrial oral care product
Hwang, Jae-Kwan | Rukayadi, Yaya (2006)Curcuma xanthorrhiza Roxb., commonly known as temulawak or java turmeric, is an indigenous plant from Java, Bali, and Mollucas, Indonesia. It has been used by Indonesian ancestors for food, medicinal purposes, and as a ... -
Characteristics of thermostable chitinase enzymes from the indonesian Bacillus sp.13.26
Yuli, Purwani E. | Suhartono, Maggy Thenawidjaja | Rukayadi, Yaya | Jae Kwan Hwang | Yu Ryang Pyun (2004)A chitinase producing bacteria was screened and isolated from Tompaso hot spring in North Sulawesi Indonesia. The gram positive spore forming rod shaped bacteria was identified as Bacillus sp. 13.26 through sequence analysis ... -
Effect of coating the wells of a polystyrene microtiter plate with xanthorrhizol on the biofilm formation of Streptococcus mutans
Rukayadi, Yaya | Jae Kwan Hwang (2005)Colonization on the surface of tooth by Streptococcus mutans is an important step in the initiation of dental plaque. Polystyrene microtiter plates have been employed to study bacterial colonization and biofilm formation ... -
The Effects of Xanthorrhizol on the Morphology of Candida Cells Examined by Scanning Electron Microscopy
Rukayadi, Yaya | Hwang, Jae-Kwan (2007)The effects of xanthorrhizol, a natural anticandidal agent isolated from the rhizome of temulawak or java turmeric (Curcuma xanthorrhiza Roxb.) on the morphology of four human pathogenic Candida species, i.e., C. albicans, ... -
In Vitro Activities of Panduratin A against Clinical Staphylococcus Strains
Rukayadi, Yaya | Kwanghyung Lee | Sunghwa Han | Dongeun Yong | Jae-Kwan Hwang (2009)In vitro antistaphylococcal activities of panduratin A, a natural chalcone compound isolated from Kaempferia pandurata Roxb, were compared to those of commonly used antimicrobials against clinical staphylococcal isolates. ... -
In vitro anti-biofilm activity of macelignan isolated from Myristica fragrans Houtt. against oral primary colonizer bacteria
Yanti | Rukayadi, Yaya | Kyu-Hoi Kim | Jae-Kwan Hwang (2007)In early dental plaque formation, oral primary colonizers such as Streptococcus mutans, Streptococcus sanguis and Actinomyces viscosus are initially attached to the pellicle-coated tooth surface to form a biofilm. The study ... -
In vitro anticandidal activity of xanthorrhizol isolated from Curcuma xanthorrhiza Roxb
Rukayadi, Yaya | Dongeun Yong | Jae-Kwan Hwang (2006)Objectives: Xanthorrhizol, isolated from the methanol extract of Curcuma xanthorrhiza Roxb., was investigated for its anticandidal activity using six Candida species. Methods: The in vitro susceptibility tests for ... -
In Vitro antimycotic activity of xanthorrhizol isolated from Curcuma xanthorrhiza Roxb. against opportunistic filamentous fungi
Rukayadi, Yaya (2006)Xanthorrhizol was isolated from the rhizome of Curcuma xanthorrhiza (Zingiberaceae) and its in vitro activity against opportunistic filamentous fungi was evaluated using the NCCLS (M38-A) standard method. Xanthorrhizol was ... -
Khamir Probiotik dan Prebiotik Mannan-Oligosakarida untuk Mengendalikan Salmonella Typhimurium secara In Vivo
Wulan, Rahayu | Meryandini, Anja | Astuti, Rika Indri | Estuningsih, Sri | Rukayadi, Yaya (2025)Salmonella Typhimurium (ST) dapat menyebabkan infeksi pada saluran pencernaan manusia yang mengakibatkan gastroenteritis ringan hingga akut yang ditandai dengan diare, infeksi sistemik, bahkan kematian. Pengendalian ST ... -
Konstruksi Peta Genetik Parsial dan Karakterisasi Sintasan Epifitik Muatan Non - Patogenik dari Xanthomonas axonopodis (campestris) pv. glycines YR32
Rukayadi, Yaya | Suwanto, Antonius | Tjahjono, Budi | Suhartono, Maggy T. | Widjajakusuma, Reviany | Guhardja, Edi (1998)Xanthomonas axonopodis (campestris) pv. glycines (Xag) merupakan penyebab penyakit bisul bakteri pada kedelai. Penyakit bisul bakteri dapat menurunkan produksi kedelai dan sampai sekarang masih belum tertangani. Untuk ... -
Konstruksi Plasmid yang Mengandung Situs PacI dan PmeI untuk Transposon. Mutagenesis pada Xanthomonas campestris
Rukayadi, Yaya | Suwanto, Antonius | Tjahjono, Budi (1998)Mechanism of pathogenicity in Xanthomonas campestr2s pv. glycines (Xcg) is poorly understood. One of the reasons is the lack of information about the complete genome structure as well as the physical and genetic map of ... -
Konstruksi Plasmid yang Mengandung Situs PacI dan PmeI untuk Transposon. Mutagenesis pada Xanthomonas campestris
Rukayadi, Yaya | Suwanto, Antonius | Tjahjono, Budi (1998)Mechanism of pathogenicity in Xanthomonas campestr2s pv. glycines (Xcg) is poorly understood. One of the reasons is the lack of information about the complete genome structure as well as the physical and genetic map of ... -
Kontruksi Plasmid yang Mengandung Situs PacI dan PmeI untuk Transposon Mutagenesis pada Xanthomonas campestris
Rukayadi, Yaya | Suwanto, Antonius | Tjahjono, Budi (1998)Mechanism of pathogenicity in Xanthomonas campestr2s pv. glycines (Xcg) is poorly understood. One of the reasons is the lack of information about the complete genome structure as well as the physical and genetic map of ... -
Potensi Aktinomiset Selulolitik dan Xilanolitik untuk Degradasi Kulit Buah Kopi Robusta (Coffea canephora Pierre A. Froehner) dalam Upaya Peningkatan Perolehan Senyawa Polifenol
Putri, Eka | Meryandini, Anja | Titi, Titi Candra | Rukayadi, Yaya (2022-07)Polifenol merupakan metabolit sekunder dan senyawa bioaktif yang berperan penting dalam bidang biofarmasi dan kesehatan. Pencarian sumber polifenol alami perlu terus dilakukan dalam upaya mendapatkan komponen kimia dengan ... -
Seleksi dan Identifikasi Khamir Asal Fermentasi Kakao (Theobroma cacao L.) sebagai Kandidat Probiotik Potensial
Wulan, Rahayu | Meryandini, Anja | Astuti, Rika Indri | Rukayadi, Yaya (2021)Saat ini probiotik menjadi perhatian seiring dengan penerapan gaya hidup sehat di masyarakat. Probiotik banyak dikembangkan dalam bidang industri pangan fungsional, suplemen diet, dan obat-obatan. Probiotik dapat mencegah ... -
Survival and Epiphytic Fitness of a Nonpathogenic Mutant of Xanthomonas campestris pv. Glycines
Rukayadi, Yaya | Suwanto, Antonius | Tjahjono, Budi | Harling, Bob (2000)Xantliomonas campestris pv. glycines is the causal agent of bacterial pustule disease of soybeans. The objective of this work was to construct a nonpathogenic mutant derived from the pathogenic wild-type strain YR32 and ...
