?url_ver=Z39.88-2004&rft_id=1714051016&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+MODIFIKASI+PATI+JAGUNG+DENGAN+METODE+FREE%0D%0ARADICAL+GRAFTING+(FRG)+MENGGUNAKAN+ASAM+GALAT%0D%0ATERHADAP+SIFAT+ANTIOKSIDAN+PATI+JAGUNG&rft.creator=Thias+Wulandari+%2C+1714051016&rft.subject=000+Ilmu+komputer%2C+informasi+dan+pekerjaan+umum&rft.subject=001+Ilmu+pengetahuan&rft.description=ABSTRACT%0D%0AEffect+of+Corn+Starch+Modification+by+Free+Radical+Grafting+(FRG)+Method%0D%0AUsing+Gallic+Acid+on+Antioxidant+Properties+of+Corn+Starch%0D%0ABy%0D%0ATHIAS+WULANDARI%0D%0APeople+with+DM+are+at+risk+of+oxidative+stress+that+can+damage+cells+in+the+body.%0D%0AGallic+acid+as+one+of+the+antioxidant+source+compounds+that+can+be+conjugated+to%0D%0Astarch+by+free+radical+grafting+(FRG)+method.+This+study+aims+to+determine+the%0D%0Aeffect+of+gallic+acid+concentration+and+the+best+formulation+of+gallic+acid+and+corn%0D%0Astarch+using+free+radical+grafting+that+produces+starch+with+high+antioxidant%0D%0Aactivity.+This+study+consisted+of+the+conjugate+process+of+corn+starch+and+gallic%0D%0Aacid+with+free+radical+grafting+and+then+total+phenol+and+antioxidant+activity+tests.%0D%0AThe+research+was+arranged+in+a+non-factorial+Randomized+Complete+Block+Design%0D%0A(RCBD).+The+study+used+5+treatments+with+the+addition+of+gallic+acid%0D%0Aconcentrations+P1+(0%25)%3B+P2+(0.5%25)%3B+P3+(1%25)%3B+P4+(1.5%25)%2C+P5+(2%25)+and+4+replicates.%0D%0AThe+grafting+results+were+analyzed+for+total+phenolics%2C+DPPH+and+meat+system%0D%0A(TBARS).+The+data+obtained+were+tested+for+data+homogeneity%2C+analyzed+for%0D%0Avariance%2C+and+then+conducted+further+tests+of+the+Least+Significant+Difference%0D%0A(LSD)+at+a+significant+level+of+5%25.+The+results+showed+that+starch-gallic+acid%0D%0Aconjugate+had+higher+antioxidant+activity+than+regular+starch.+The+best+treatment%0D%0Awas+P5+(2%25+starch-gallic+acid+conjugate+weight+of+starch)+with+a+total+phenol%0D%0Avalue+of+62.97+ppm+GAE%2C+antioxidant+activity+of+DPPH+method+of+31.52%25+and%0D%0Ameat+system+of+74.87%25.%0D%0AKeywords%3A+free+radical+grafting%2C+corn+starch%2C+gallic+acid%2C+DPPH%2C+meat+system%0D%0A(TBARS)%0D%0A%0D%0APenderita+DM+rentan+mengalami+keadaan+stres+oksidatif+yang+dapat+merusak+sel%0D%0Apada+tubuh.+Asam+galat+sebagai+salah+satu+senyawa+sumber+antioksidan+yang%0D%0Adapat+dikonjugasikan+pada+pati+dengan+metode+free+radical+grafting+(FRG).%0D%0APenelitian+ini+bertujuan+untuk+mengetahui+pengaruh+konsentrasi+asam+galat+serta%0D%0Aformulasi+asam+galat+dan+pati+jagung+terbaik+menggunakan+free+radical+grafting%0D%0Ayang+menghasilkan+pati+dengan+aktivitas+antioksidan+tinggi.+Penelitian+ini+terdiri%0D%0Adari%2C+tahapan+proses+konjugat+pati+jagung+dan+asam+galat+dengan+free+radical%0D%0Agrafting+kemudian+dilakukan+uji+aktivitas+total+fenol+dan+antioksidan.+Penelitian%0D%0Adisusun+dalam+Rancangan+Acak+Kelompok+Lengkap+(RAKL)+non+faktorial.%0D%0APenelitian+menggunakan+5+perlakuan+dengan+penambahan+asam+galat%0D%0Akonsentrasi+P1+(0%25)%3B+P2+(0%2C5%25)%3B+P3+(1%25)%3B+P4+(1%2C5%25)%2C+P5+(2%25)+dan+4+ulangan.%0D%0AHasil+grafting+dianalisis+total+fenol%2C+DPPH+dan+meat+system+(TBARS).+Data%0D%0Ayang+diperoleh+diuji+kehomogenan+data%2C+dianalisis+ragam%2C+kemudian+dilakukan%0D%0Auji+lanjut+Beda+Nyata+Terkecil+(BNT)+pada+taraf+nyata+5%25.+Hasil+penelitian%0D%0Amenunjukkan+bahwa+konjugat+pati-asam+galat+memiliki+aktivitas+antioksidan%0D%0Alebih+tinggi+dibanding+pati+biasa.+Perlakuan+terbaik+terdapat+pada+perlakuan+P5%0D%0A(konjugat+pati-asam+galat+2%25+pada+berat+pati)+dengan+nilai+total+fenol+62%2C97+ppm%0D%0AGAE%2C+aktivitas+antioksidan+metode+DPPH+31%2C52%25+dan+meat+system+74%2C87%25.%0D%0AKata+kunci+%3A+free+radical+grafting%2C+pati+jagung%2C+asam+galat%2C+DPPH%2C+meat+system%0D%0A(TBARS)&rft.publisher=FAKULTAS+PERTANIAN++&rft.date=2022-12-22&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F69553%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F69553%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F69553%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Thias+Wulandari+%2C+1714051016++(2022)+PENGARUH+MODIFIKASI+PATI+JAGUNG+DENGAN+METODE+FREE+RADICAL+GRAFTING+(FRG)+MENGGUNAKAN+ASAM+GALAT+TERHADAP+SIFAT+ANTIOKSIDAN+PATI+JAGUNG.++FAKULTAS+PERTANIAN+%2C+UNIVERSITAS+LAMPUNG.++++(Submitted)++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F69553%2F