?url_ver=Z39.88-2004&rft_id=201701095&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KARAKTERISASI+SENYAWA+BIOAKTIF+FUNGI+ENDOFIT+MANGROVE+Avicennia+marina+DAN+UJI+ANTIVITAS+SEBAGAI+ANTIOKSIDAN&rft.creator=SEKAR+%2C+ARUM+KINASIH&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Peningkatan+jumlah+kadar+radikal+bebas+di+dalam+tubuh+akan+menyebabkan+penurunan+kekebalan+tubuh+manusia+dan+meningkatkan+keparahan+beberapa+penyakit+karena+stres+oksidatif+yang+dialami+oleh+sel.+Penelitian+ini+bertujuan+untuk+memperoleh+senyawa+bioaktif+yang+berasal+dari+fungi+endofit+mangrove+yang+berpotensi+sebagai+antioksidan.+Isolat+fungi+endofit+mangrove+diuji+aktivitas+antioksidan+dengan+metode+DPPH+dan+karakterisasi+senyawa+menggunakan+FT-IR+dan+LC-MS%2FMS.+Fungi+endofit+mangrove+diremajakan+menggunakan+media+PDA.+Kultivasi+menggunakan+3+media+berbeda+berupa+kulit+udang%2C+kentang%2C+dan+kedelai.+Kultur+diekstraksi+menggunakan+etil+asetat.+Ekstrak+kasar+diuji+bioautografi+kontak.+Fraksinasi+dilakukan+dengan+kromatografi+kolom+dan+diuji+aktivitas+antioksidan+dengan+spektrofotometer+UV-Vis+pada+%CE%BB+517nm.+Fraksi+aktif+dikarakterisasi+menggunakan+FT-IR+dan+LC-MS%2FMS.+Isolat+fungi+endofit+yang+telah+diremajakan+merujuk+pada+genus+Aspergillus+sp.+Ekstrak+fungi+endofit+mangrove+21DB-EKD+memiliki+nilai+IC50+25%2C63+ppm+yang+menunjukkan+aktivitas+antioksidan+kuat.+Karakteristik+senyawa+21DB-EKD+menunjukkan+adanya+senyawa+alkaloid+dengan+struktur+dasar+indol+dan+terdapat+beberapa+gugus+fungsi+seperti+gugus+C-O%2C+C-H%2C+C%3DC%2C+C%3DO%2C+C-N%2C+dan+N-H.%0D%0A%0D%0AKata+kunci+%3A+Fungi+endofit+mangrove%2C+antioksidan%2C+DPPH%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIncreased+levels+of+free+radicals+in+the+body+will+cause+a+decrease+in+human+immunity+and+increase+the+severity+of+several+diseases+due+to+oxidative+stress+experienced+by+cells.+This+study+aims+to+obtain+bioactive+compounds+derived+from+mangrove+endophytic+fungi+that+have+potential+as+antioxidants.+Mangrove+endophytic+fungi+isolates+were+tested+for+antioxidant+activity+using+DPPH+method+and+compound+characterization+using+FT-IR+and+LC-MS%2FMS.+Mangrove+endophytic+fungi+were+maintenance+using+PDA+media.+Cultivation+used+the+3+media%3A+shrimp+skin%2C+potato%2C+and+soybean.+Cultures+were+extracted+using+ethyl+acetate.+The+crude+extract+was+tested+for+contact+bioautography.+Fractionation+was+performed+by+column+chromatography+and+tested+for+antioxidant+activity+by+UV-Vis+spectrophotometry+at+%CE%BB+517nm.+Active+fractions+were+characterized+using+FT-IR+and+LC-MS%2FMS.+The+rejuvenated+endophytic+fungal+isolate+refers+to+the+genus+Aspergillus+sp.+Mangrove+endophytic+fungal+extract+21DB-EKD+has+an+IC50+value+of+25.63+ppm%2C+indicating+strong+antioxidant+activity.+The+characteristics+of+compound+21DB-EKD+showed+the+presence+of+alkaloid+compounds+with+indole+basic+structure+and+there+are+several+functional+groups+such+as+C-O%2C+C-H%2C+C%3DC%2C+C%3DO%2C+C-N%2C+and+N-H+groups.%0D%0A%0D%0AKeyword+%3A+Mangrove+endophytic+fungi%2C+Antioxidant%2C+DPPH&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2025-04-30&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88369%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88369%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F88369%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++SEKAR+%2C+ARUM+KINASIH++(2025)+KARAKTERISASI+SENYAWA+BIOAKTIF+FUNGI+ENDOFIT+MANGROVE+Avicennia+marina+DAN+UJI+ANTIVITAS+SEBAGAI+ANTIOKSIDAN.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F88369%2F