Analisis Aktivitas Dari Jamur Endofit Yang Terdapat Dalam Tumbuhan Bakau Avicennia Marina Di Tasik Ria Minahasa

Endofit dapat diartikan sebagai mikroba yang hidup berkoloni dalam jaringan internal tumbuhan tanpa menyebabkan efek yang merugikan secara langsung pada tumbuhan tersebut. Organisme endofitik memiliki potensi yang sangat besar untuk dieksploitasi dan menghasilkan produk alami baru yang bermanfaat di bidang kedokteran, pertanian, dan industri. Pada sisi yang lain kebutuhan terhadap obat-obatan baru yang membantu umat manusia melawan pelbagai penyakit tidak pernah berhenti, hal ini disebabkan adanya resistensi bakteri, infeksi virus, insidensi infeksi jamur, berbagai jenis tumor, infeksi parasit dan protozoa, di dalam populasi dunia sekarang ini sebagai akibat ketidakmampuan kita untuk mengatasi tidak hanya problematika kesehatan. Indonesia sebagai daerah tropis dengan keanekaragaman hayati yang cukup besar, di lain pihak, perlawanan endofit di ekosistem daerah tropis melawan organisme patogen dan predator cukup besar, sumber daya yang terbatas dan tekanan seleksi alam sangat tinggi. Hal ini menimbulkan kemungkinan besar bahwa endofit di daerah tropis seperti di negara kita merupakan sumber struktur senyawa baru dengan aktivitas biologis yang menarik untuk dikembangkan sebagai bahan obat baru. Penelitian ini merupakan penelitian untuk mencari kandidat obat-obatan baru yang difokuskan pada kandidat bahan obat yang memiliki potensi antibakteri dan antikanker. Tumbuhan bakau Avicennia marina diambil dari Pantai Tasik Ria. Jamur endofit diisolasi hingga diperoleh 2 isolat galur murni Aspergillus sp. dan Acremonium sp. Kedua isolat kemudian diuji aktivitasnya terhadap bakteri patogen Staphylococcus aureus dan Escherichia coli dengan menggunakan metode ko-kultivasi. Acremonium sp. memiliki aktivitas antibakteri yang lebih kuat dibandingkan dengan jamur Aspergillus sp. terhadap bakteri S. aureus, sedangkan Aspergillus sp. menunjukkan aktivitas antibakteri yang tinggi terhadap bakteri E. coli

Analisis Senyawa Antibiotik Dari Jamur Simbion Yang Terdapat Dalam Ascidians Didemnum Molle Di Sekitar Perairan Bunaken-Sulawesi Utara

Endosymbiont can be interpreted as microbes that live in colonies in the internal tissues of other higher organisms without causing adverse effects directly on the its host. Endosymbiont organisms have a huge potential to be exploited as a new natural products that are useful in medicine, agriculture, and industry. This research is focused on the antibacterial potential. Ascidians Didemnum moll speciments were collected from Manado waters. The fungal isolates were purified followed by screening their antibacterial activity towards Staphylococcus aureus and Pseudomonas aeruginosa. In this study we isolated 3 fungal specimens Acremonium sp. (ADMB-1, 2 and 3). Three isolates showed potential antibacterial activity. Together with the fungal isolates, we also isolated Bacillus galacosidilyticus from the same host. This bacterial isolate also show antibacterial potency

Uji Daya Hambat Ekstrak Etanol Daun Srikaya (Annona Squamosa) Terhadap Pertumbuhan Bakteri Escherichia Coli Dan Staphylococcus Aureus

: Srikaya leaf contains terpenoid, polyphenol, alkaloid, and flavonoid that can potentially be an antibacterial. This study was aimed to obtain the potency of srikaya leaf extract against Staphylococcus aureus (ATCC25923) and Escherichia coli (ATCC11229). This was an experimental laboratory study using the Kirby-Bauer modified well diffusion technique in the Phytochemistry and Microbiology Laboratory of MIPA Faculty at Sam Ratulangi University. Srikaya leaf extract was obtained by using ethanol maceration technique. The concentrations of the extract were as follows: 50%, 25%, and 12.5%. Ciprofloxacin was used as the positive control while CMC as the negative one. The results showed that CMC did not have any inhibition zone around the well. Ciprofloxacin showed the largest mean diameters of inhibition zones: 35.78 mm against E.coli and 36.55 mm against S.aureus. The mean diameters of inhibition zones of Srikaya leaf extract 50% were 9.13 mm against E.coli and 13.78 mm against S.aureus. The mean diameters of inhibition zones of Srikaya leaf extract 25% were 7.8 mm against E.coli and 13.55 mm agaisnt S.aureus. Meanwhile, the mean diameters of inhibition zones of srikaya leaf extract 12.5% were 7.05 mm against E.coli and 11.31mm agaimst S.aureus. Conclusion: Srikaya leaf extract could potentially inhibit the growth of S.aureus and E.coli. The srikaya leaf extract could inhibit S.aureus more effectively than E.coli

Uji Daya Hambat Jamur Endofit Rimpang Lengkuas (Alpinia Galanga L.) Terhadap Pertumbuhan Bakteri Escherichia Coli Dan Staphylococcus Aureus

: Endophytic fungi could be used as an alternative antibiotic because it produced bioactive compounds, which are developed as basic ingredients for medicine such as antibiotic, antioxcide, anticancer. Endophytic fungi can be isolated from Rhizome of Alpinia galanga L. which is abundant in Indonesia. The aim of this study was to find the inhibiting zone of endophytic fungi rhizome of Alpinia galanga L. to the growth of Staphylococcus aueus and Escherichia coli. This was an experimental laboratory study using modified Kirby-Bauer well diffusion technique in Marine Pharmaceutical and Biology Molecular laboratory of FPIK faculty in Sam Ratulangi University. Endophytic fungi were produced by Rhizome of Alpinia galanga L. which are cultured in carbohydrate-rich media. Then, it produced various fungi isolate, which is being used for testing its bioactiy to Staphylococcus aureus and Escherichia coli. The results showed that only 2 isolates of endophytic fungi that have inhibitory and the range of the average value of inhibition zone endophytic fungi rhizome of Alpinia galanga L. against Staphylococcus aureus 19 mm to 21.3 mm, while the Escherichia coli 21.3 mm to 22.3 mm. Conclusion: Endophytic fungi Rhizome of Alpinia galanga L. could inhibit the bacterial growth of Staphylococcus aureus and Escherichia coli

Uji Efektivitas Ekstrak Melati (Jasminum Sambac) Pada Penyembuhan Luka Insisi Kelinci (Oryctolagus Cuniculus)

: Flowers and leaves of jasmine (Jasminum sambac) have chemical substances that contain phytoconstituents such as alkaloids, glycosides, saponins, terpenoids and flavonoids. Flavonoid, an antioxidant, plays some importnat roles in wound healing due to their antibacterial effect. This study aimed to determine the effectiveness of jasmine leaf extract on incision wound healing in rabbits. This was an experimental study using three rabbits as test subjects. Wounds of 0.3 cm depth, 5 cm length, and 0.5 cm widened at both ends of the wound were made on the right and left sides of the back. Incised wound on the left side was treated with jasmine leaf extract ointment meanwhile the wound on the right side was untreated and was covered only with sterile gauze. Wounds were observed for two weeks to evaluate the changes of macroscopical length. The results showed that wounds treated with jasmine leaf extract ointment shrank and their edges united with the surrounding tissues faster than the untreated wounds. Conclusion: Jasmine leaf extract ointment accelerated incised wound healing in rabbits

ANALISIS SENYAWA ANTIBIOTIK DARI JAMUR SIMBION YANG TERDAPAT DALAM ASCIDIANS Didemnum molle DI SEKITAR PERAIRAN BUNAKEN-SULAWESI UTARA

Endosymbiont can be interpreted as microbes that live in colonies in the internal tissues of other higher organisms without causing adverse effects directly on the its host. Endosymbiont organisms have a huge potential to be exploited as a new natural products that are useful in medicine, agriculture, and industry. This research is focused on the antibacterial potential. Ascidians Didemnum moll speciments were collected from Manado waters. The fungal isolates were purified followed by screening their antibacterial activity towards Staphylococcus aureus and Pseudomonas aeruginosa. In this study we isolated 3 fungal specimens Acremonium sp. (ADMB-1, 2 and 3). Three isolates showed potential antibacterial activity. Together with the fungal isolates, we also isolated Bacillus galacosidilyticus from the same host. This bacterial isolate also show antibacterial potency