?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ISOLASI+DAN+IDENTIFIKASI+SENYAWA+METABOLIT+SEKUNDER%0D%0ADARI+KULIT+BATANG+TUMBUHAN+TURI+MERAH%0D%0A(Sesbania+grandiflora+L.+Pers.)+SERTA+UJI+AKTIVITAS+ANTIOKSIDAN&rft.creator=Hidayatul+Mufidah%2C+1417011055&rft.subject=+&rft.description=Red+turi+(S.+grandiflora)+is+one+species+of+the+Fabaceae%E2%80%99s+family.+This+studies+aim%0D%0Aare+to+isolate+and+identify+chemical+compound+from+ethyl+acetate+extract+of+red%0D%0Aturi+(S.+grandiflora)+stem+bark+which+is+from+Purwodadi%2C+Central+Lampung+and%0D%0Aantioxidant+activity+assay.+Purification+of+obtained+were+followed+by+successive%0D%0Aprocess+consist+of+vacuum+liquid+chromatography+and+column+chromatography%0D%0Awhich+was+guided+by+thin+layer+chromatography+and+melting+point+assay.%0D%0AIdentification+of+purified+were+determined+based+on+1H-NMR+spectroscopic%0D%0Aanalysis+and+compared+to+the+references.+The+studies+have+showed+a+steroid+group%0D%0Acompound+that+had+been+successfully+isolated%2C+that+is+yellowish+white+crystal+solid%0D%0A(m.p.+151-154oC).+Based+on+the+analysis+result%2C+it%E2%80%99s+known+that+the+compounds%0D%0Aare+the+mixture+of+%CE%B2-stigmasterol+and+%CE%B2-sitosterol+as+much+3.7+mg.+The%0D%0Aantioxidant+activity+assay+of+the+compounds+mixture+of+%CE%B2-stigmasterol+and+%CE%B2-+sitosterol+on+DPPH+had+a+strong+antioxidant+activity+level+with+IC50+values+of%0D%0A16.13+%C2%B5g%2FmL.+Keyword+%3A+S.+grandiflora%2C+%CE%B2-stigmasterol+and+%CE%B2-sitosterol%2C+antioxidant%2C+DPPH%0D%0A%0D%0ATuri+merah+(S.+grandiflora)+merupakan+salah+satu+spesies+dari+famili+Fabaceae.%0D%0APenelitian+ini+bertujuan+untuk+mengisolasi+dan+mengidentifikasi+senyawa+kimia%0D%0Adari+ekstrak+etil+asetat+kulit+batang+turi+merah+(S.+grandiflora)+yang+berasal+dari%0D%0Adesa+Purwodadi%2C+Lampung+Tengah+serta+uji+aktivitas+antioksidan.+Pemurnian%0D%0Asenyawa+menggunakan+metode+kromatografi+cair+vakum+dan+kromatografi+kolom%0D%0Ayang+dipandu+dengan+kromatografi+lapis+tipis+dan+pengukuran+titik+leleh.+Identifikasi+senyawa+ditentukan+berdasarkan+analisis+spektroskopi+1H-NMR+serta%0D%0Adibandingkan+dengan+referensi.+Hasil+penelitian+menunjukkan+terdapat+senyawa%0D%0Agolongan+steroid+yang+berhasil+diisolasi+yaitu+padatan+kristal+berwarna+putih%0D%0Akekuningan+dengan+titik+leleh+151-154oC.+Berdasarkan+hasil+analisis+data%2C%0D%0Asenyawa+yang+diperoleh+merupakan+campuran+antara+%CE%B2-stigmasterol+dan+%CE%B2-+sitosterol+sebanyak+3%2C7+mg.+Uji+aktivitas+antioksidan+senyawa+campuran+%CE%B2-+stigmasterol+dan+%CE%B2-sitosterol+terhadap+DPPH+memiliki+tingkat+aktivitas%0D%0Aantioksidan+kategori+kuat+dengan+nilai+IC50+16%2C13+%CE%BCg%2FmL.+Kata+kunci+%3A+S.+grandiflora%2C+%CE%B2-stigmasterol+dan+%CE%B2-sitosterol%2C+antioksidan%2C+DPPH.&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55695%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55695%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55695%2F3%2F3.%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Hidayatul+Mufidah%2C+1417011055++(2019)+ISOLASI+DAN+IDENTIFIKASI+SENYAWA+METABOLIT+SEKUNDER+DARI+KULIT+BATANG+TUMBUHAN+TURI+MERAH+(Sesbania+grandiflora+L.+Pers.)+SERTA+UJI+AKTIVITAS+ANTIOKSIDAN.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F55695%2F