?url_ver=Z39.88-2004&rft_id=1918031018&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+EKSTRAKSI+TERHADAP+TOTAL+FENOLIK+DAN%0D%0AAKTIVITAS+ANTIBAKTERI+EKSTRAK+DAUN+SUNGKAI+(Peronema%0D%0Acanescens+Jack)+MENGGUNAKAN+METODE+ULTRASONIC-ASSISTED%0D%0AEXTRACTION&rft.creator=Fredison%2C++.&rft.subject=610+Ilmu+kedokteran%2C+ilmu+pengobatan+dan+ilmu+kesehatan&rft.description=Latar+Belakang%3A+Sungkai+merupakan+tanaman+etnobotani+yang+berasal+dari+Indonesia.+Para+peneliti+telah+membuktikan+bahwa+Sungkai+memiliki+khasiat+sebagai+antibakteri.+Seiring+kemajuan+teknologi%2C+terdapat+variasi+metode+ekstraksi+non-konvensional+yang+lebih+efisien+dan+efektif.+Pada+penelitian+sebelumnya+terbatas+pada+metode+ekstraksi+konvensional+dan+belum+ada+penelitian+yang+menggunakan+metode+ekstraksi+non-konvensional.+Tujuan%3A+Penelitian+ini+bertujuan+untuk+mengetaui+optimasi+ekstraksi+terhadap+total+fenolik+dan+aktivitas+antibakteri+ekstrak+daun+sungkai+(Peronema+canescens+Jack)+menggunakan+metode+Ultrasonic-Assisted+Extraction+(UAE)%3F+Metode%3A+Penelitian+ini+merupakan+penelitian+eksperimental+skala+laboratorium.+Ekstraksi+daun+sungkai+(Peronema+canescens+Jack)+dilakukan+dengan+metode+Ultrasonic-Assisted+Extraction+(UAE).+Selanjutnya%2C+dilakukan+pengukuran+total+fenolik+dengan+metode+Folin-Ciocalteu+dan+uji+aktivitas+antibakteri+dengan+metode+difusi+cakram.+Hasil%3A+Optimasi+ekstraksi+daun+sungkai+(Peronema+canescens+Jack)+menggunakan+metode+Ultrasonic-Assisted+Extraction+(UAE)+terhadap+total+fenolik+didapatkan+pada+sampel+suhu+70oC+dengan+waktu+30+menit+dan+terhadap+aktivitas+antibakteri+didapatkan+pada+sampel+suhu+30oC+dengan+waktu+45+menit.+Simpulan%3A+Terdapat+perbedaan+kadar+total+fenolik+dan+perbedaan+aktivitas+antibakteri+antara+masing-masing+ekstrak+daun+sungkai+(Peronema+canescens+Jack).+%0D%0AKata+Kunci%3A+Antibakteri%2C+Daun+Sungkai%2C+Total+Fenolik%2C+Ultrasonic-Assisted+Extraction+(UAE)%0D%0A%0D%0ABackground%3A+Sungkai+is+an+ethnobotanical+plant+originating+from+Indonesia.+The+researchers+have+proven+that+Sungkai+has+antibacterial+properties.+Previous+studies+limited+it+to+conventional+extraction+methods%2C+and+research+has+not+used+nonconventional+extraction+methods.+In+previous+studies%2C+it+was+limited+to+conventional+extraction+methods%2C+and+there+has+yet+to+be+research+using+non-conventional+extraction+methods.+Purpose%3A+This+study+aims+to+determine+the+extraction+optimization+of+total+phenolic+and+antibacterial+activity+of+sungkai+leaf+extract+(Peronema+canescens+Jack)+using+the+Ultrasonic-Assisted+Extraction+(UAE)+method.+Methods%3A+This+research+is+a+laboratory-scale+experimental+research.+Sungkai+leaf+extraction+(Peronema+canescens+Jack)+was+done+using+the+Ultrasonic-Assisted+Extraction+(UAE)+method.+Furthermore%2C+the+total+phenolic+measurement+was+carried+out+using+the+Folin-Ciocalteu+method+and+the+antibacterial+activity+test+using+the+disc+diffusion+method.+Results%3A+Optimization+of+the+extraction+of+sungkai+leaves+(Peronema+canescens+Jack)+using+the+Ultrasonic-Assisted+Extraction+(UAE)+method+for+total+phenolic+was+obtained+in+samples+at+70oC+for+30+minutes%2C+and+for+antibacterial+activity+was+obtained+for+samples+at+30oC+for+45+minutes.+Conclusion%3A+There+are+differences+in+total+phenolic+levels+and+differences+in+antibacterial+activity+between+each+extract+of+Sungkai+(Peronema+canescens+Jack)+leaves.+%0D%0AKeywords%3A+Antibacterial%2C+Sungkai+Leaf%2C+Total+Phenolic%2C+Ultrasonic-Assisted+Extraction+(UAE)&rft.publisher=FAKULTAS+KEDOKTERAN&rft.date=2023-05-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71712%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71712%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71712%2F3%2FSKRIPSI%2520TANPA%2520PEMBAHASAN.pdf&rft.identifier=++Fredison%2C+.++(2023)+OPTIMASI+EKSTRAKSI+TERHADAP+TOTAL+FENOLIK+DAN+AKTIVITAS+ANTIBAKTERI+EKSTRAK+DAUN+SUNGKAI+(Peronema+canescens+Jack)+MENGGUNAKAN+METODE+ULTRASONIC-ASSISTED+EXTRACTION.++FAKULTAS+KEDOKTERAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F71712%2F