?url_ver=Z39.88-2004&rft_id=1817011061&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=VALIDASI+METODE+UJI+AKTIVITAS+ANTIOKSIDAN+MENGGUNAKAN+METODE+FRAP+(Ferric+Reducing+Antioxidant+Power)+SECARA+SPEKTROFOTOMETRI+UV-VIS+SERTA+UJI+AKTIVITAS+ANTIOKSIDAN+PADA+KULIT+BUAH+KAKAO+DAN+KULIT+BUAH+NANAS&rft.creator=Khoiriyah+%2C+Dea+Setyana&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pada+penelitian+ini+telah+dilakukan+validasi+metode+dan+uji+aktivitas+antioksidan+pada+kulit+buah+kakao+dan+kulit+buah+nanas.+Aktivitas+antioksidan+kulit+buah+diuji+dengan+menggunakan+metode+FRAP+(Ferric+Reducing+Antioxidant+Power)+secara+Spektrofotometri+UV-Vis+pada+panjang+gelombang+691+nm.+Nilai+IC50+beserta+estimasi+ketidakpastian+uji+aktivitas+antioksidan+pada+sampel+kulit+kakao+dan+kulit+nanas+berturut-turut+adalah+33%2C076+%C2%B1+1%2C4480+ppm+dan+39%2C066+%C2%B1+1%2C6702+ppm.+Perbandingan+antara+ketidakpastian+dengan+nilai+hasil+uji+yaitu+sebesar+4%2C4%25+pada+kulit+buah+kakao+dan+pada+kulit+nanas+sebesar+4%2C3%25.+Asam+askorbat+digunakan+sebagai+larutan+standar.+Validasi+metode+dilakukan+dengan+parameter+presisi%2C+akurasi%2C+linearitas%2C+limit+deteksi%2C+dan+limit+kuantitasi%2C+serta+penentuan+nilai+ketidakpastian+pengukuran+dilakukan+untuk+memastikan+hasil+pengujian.+Hasil+penelitian+menunjukkan+bahwa+metode+yang+digunakan+dalam+penelitian+ini+memenuhi+persyaratan+sehingga+dapat+digunakan+untuk+pengujian+rutin+di+laboratorium.%0D%0A%0D%0AKata+kunci%3A+Antioksidan%2C+FRAP%2C+kulit+buah+kakao%2C+kulit+buah+nanas%2C+dan+spektrofotometri+UV-Vis.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AThis+study+has+validated+the+activity+test+method+and+tested+the+antioxidant+activity+of+cocoa+fruit+peel+and+pineapple+fruit+peel.+The+antioxidant+activity+of+fruit+peels+was+evaluated+using+the+FRAP+(Ferric+Reducing+Antioxidant+Power)+method+by+UV-Vis+Spectrophotometry+at+a+maximum+wavelength+of+691+nm.+The+IC50+value+along+with+the+estimated+uncertainty+of+the+antioxidant+activity+test+on+cocoa+peel+and+pineapple+peel+samples+was+33.076+%C2%B1+1.4480+ppm+and+39.066+%C2%B1+1.6702+ppm%2C+respectively.+The+comparison+between+the+uncertainty+and+the+test+result+value+is+4.4%25+for+cocoa+pods+and+4.3%25+for+pineapple+peels.+The+method+validation+was+carried+out+with+the+parameters+of+precision%2C+accuracy%2C+linearity%2C+limit+of+detection%2C+and+limit+of+quantitation%2C+and+the+determination+of+measurement+uncertainty+value+was+conducted+to+ensure+the+test+results.+The+results+showed+that+the+method+used+in+this+study+meets+the+requirements+so+that+it+can+be+used+for+routine+testing+in+the+laboratory.%0D%0A%0D%0AKey+words%3A+Antioxidants%2C+FRAP%2C+cocoa+fruit+peel%2C+pineapple+fruit+peel%2C+and+UV-Vis+spectrophotometry.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2023-05-24&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71874%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71874%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F71874%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Khoiriyah+%2C+Dea+Setyana++(2023)+VALIDASI+METODE+UJI+AKTIVITAS+ANTIOKSIDAN+MENGGUNAKAN+METODE+FRAP+(Ferric+Reducing+Antioxidant+Power)+SECARA+SPEKTROFOTOMETRI+UV-VIS+SERTA+UJI+AKTIVITAS+ANTIOKSIDAN+PADA+KULIT+BUAH+KAKAO+DAN+KULIT+BUAH+NANAS.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F71874%2F