Jurnal
Uji Aktivitas Ekstrak Daun Gatal (Laportea decumanum (Roxb.) Kuntze) Sebagai Antioksidan
AVOGADRO · Vol. 3 No. 1 (2019)
- ISSN
- 2579-9630
- Published
- 2019-07-24
- Publisher
- Universitas Cenderawasih
- Language
- eng
Abstract
Tumbuhan daun gatal Laportea decumanum (Roxb.) Kuntze termasuk dalam famili Urticaceae merupakan tanaman endemik Papua. Tumbuhan daun gatal (yabi) digunakan masayarakat Kampung Wollo, Distrik Wollo, Kabupaten Jayawijaya untuk menghilangkan pegal-pegal. Penelitian ini bertujuan mengetahui aktivitas daun gatal sebagai antioksidan.Metode ekstraksi daun gatal adalah maserasi dengan pelarut metanol p.a. Rendemen ekstrak yaitu 5,75%. Uji fitokimia ekstrak daun gatal mengandung flavonoid, tanin, dan saponin. Partisi dilakukan dengan pelarut nonpolar (n-heksan) dan semi polar (etil asetat). Tujuan partisi adalah memisahkan komponen kimia pada ekstrak daun gatal dalam pelarut yang berbeda kepolaran. Rendemen fraksi nonpolar sebanyak 0,208% dan fraksi polar 0,254%.Uji aktivitas antioksidan daun gatal menggunakan metode DPPH (1,1-difenil-2-pikrihidrazil). Penentuan aktivitas antioksidan dengan nilai IC50, yaitu kemampuan suatu larutan untuk mengurangi 50% aktivitas radikal bebas. Nilai IC50 ekstrak metanol total adalah 90,31 ppm, fraksi nonpolar 208,76 ppm, dan fraksi polar 34,61 ppm. Kata kunci: Daun gatal, Uji Aktivitas Antioksidan, DPPH
Collaboration network of the authors
40 authors · 88 co-authorship links · showing the 40 most connected
Hover or tap a name to highlight its co-authors. Double-click to open the author's page.
- Universitas Halu Oleo
- Affiliation unknown
- Different organisations
- Same organisation
- Affiliation unknown
- Thicker line = more joint articles · bigger circle = more articles
Show as table
| Co-author | Organisation | Joint articles |
|---|---|---|
| Agnes Eri Maryuni | Affiliation unknown | 4 |
| VIRMAN VIRMAN | Affiliation unknown | 3 |
| Auldry F. Walukow | Affiliation unknown | 2 |
| Tiurlina Siregar | Affiliation unknown | 2 |
| Alowisya Futwembun | Affiliation unknown | 2 |
| Verena Agustini | Affiliation unknown | 2 |
| Lodwyk N. Krimadi | Affiliation unknown | 2 |
| Supeno Supeno | Affiliation unknown | 2 |
| Yuliana R. Yabansabra | Affiliation unknown | 2 |
| Jefri F.N. Maurits | Affiliation unknown | 1 |
| Audry F. Walukow | Affiliation unknown | 1 |
| Basa T. Rumahorbo | Affiliation unknown | 1 |
| Indah D. Setyowati | Affiliation unknown | 1 |
| Novita Medyati | Affiliation unknown | 1 |
| Basa Rumahorbo | Affiliation unknown | 1 |
| SIMON KALEMBEN | Affiliation unknown | 1 |
| Yusuf Bungkang | Affiliation unknown | 1 |
| JERRY CHRISNY MARLA LANGI | Affiliation unknown | 1 |
| ENDAH DWICAHYANI | Affiliation unknown | 1 |
| BLESKADIT CHATERINE DAMAYANTI | Affiliation unknown | 1 |
| Reni Widiawati | Affiliation unknown | 1 |
| Marice Karubaba | Affiliation unknown | 1 |
| Mamberuman M. Inggamer | Affiliation unknown | 1 |
| Rita Donna Hutahaean | Affiliation unknown | 1 |
| Ortis Fredy Waromi | Affiliation unknown | 1 |
| Cheny Adetyaningsih | Affiliation unknown | 1 |
| Natasha Sihite | Affiliation unknown | 1 |
| Diana Abulais | Affiliation unknown | 1 |
| Diana M. Abulais | Affiliation unknown | 1 |
| Martha K. Sefa | Affiliation unknown | 1 |
| Demas R. Yaam | Affiliation unknown | 1 |
| Maklon Warpur | Affiliation unknown | 1 |
| Roy Salinding | Affiliation unknown | 1 |
| Janviter Manalu | Affiliation unknown | 1 |
| Yanti Risal | Affiliation unknown | 1 |
| Chandra Chandra | Universitas Halu Oleo | 1 |
| Frans Asmuruf | Affiliation unknown | 1 |
Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.