?url_ver=Z39.88-2004&rft_id=1617011052&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+KOMPARATIF+KARAKTERISTIK+KUMARIN+DALAM%0D%0AKUNYIT+(Curcuma+longa+L.)+DARI+BERBAGAI+DAERAH+DENGAN%0D%0AMENGGUNAKAN+KROMATOGRAFI+CAIR+KINERJA+TINGGI+(KCKT)&rft.creator=DAHLIANI+%2C+SILVIA+SIANIPAR&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=%0D%0AStudi+komparatif+senyawa+kumarin+telah+dilakukan+pada+kunyit+(Curcuma+longa%0D%0AL.)+dari+daerah+Yogyakarta%2C+Bali%2C+Lampung%2C+Medan%2C+dan+Semarang%2C+dengan%0D%0Amenggunakan+metode+kromatografi+yakni+Kromatografi+Cair+Kinerja+Tinggi%0D%0A(KCKT).+Penelitian+ini+bertujuan+untuk+mengetahui+keberadaan+senyawa+kumarin%0D%0Ayang+terdapat+dalam+ekstrak+kunyit.+Ekstrak+kunyit+diperoleh+dari+25+g+sampel%0D%0Akunyit+kering+dan+sudah+dihaluskan.+Sampel+diekstraksi+dengan+sohxletasi+pada%0D%0Asuhu+60%C2%B0C%2C+dipekatkan+kembali+dengan+rotary+evaporator%2C+pada+tekanan+281+mbar%0D%0Adan+suhu+40%C2%B0C.+Ekstrak+pekat+ditimbang+sehingga+diperoleh+nilai+rendemen%0D%0Asampel+kunyit+Yogyakarta+5%2C01+%25%2C+Bali+3%2C35+%25%2C+Lampung+2%2C25+%25%2C+Medan+3%2C75%25%2C%0D%0Adan+Semarang+3%2C28+%25.+Identifikasi+senyawa+dilakukan+dengan+uji+Kromatografi%0D%0ALapis+Tipis+(KLT)+dengan+eluen+n-heksan+%3A+etil+asetat+perbandingan+1%3A1+v%2Fv%2C%0D%0Adiperoleh+nilai+R%C6%92+0%2C31+yang+menandakan+keberadaan+senyawa+kumarin.+Analisis%0D%0Akumarin+selanjutnya+dilakukan+menggunakan+KCKT%2C+dengan+eluen+asetonitril+%3A%0D%0Aair+dengan+perbandingan+70%3A30+v%2Fv.+Hasil+uji+KCKT+menurut+penelitian+terdahulu%0D%0Abahwa+waktu+retensi+larutan+standar+kumarin+berada+pada+3%2C689+menit%2C+pada%0D%0Apenelitian+ini+diperoleh+waktu+retensi+senyawa+kumarin+pada+setiap+sampel+kunyit%0D%0A%3A+Yogyakarta+di+3%2C620+menit%3B+Bali+di+3%2C793+menit%3B+Lampung+di+3%2C803+menit%3B%0D%0ASemarang+di+3%2C653+menit+dan+adanya+senyawa+Furanokumarin+dalam+sampel%0D%0AMedan+dengan+waktu+retensi+9%2C229+menit.%0D%0AKata+kunci+%3A+Kunyit+(curcuma+longa+L.)%2C+Kumarin%2C+Kromatografi+Cair+Kinerja%0D%0ATinggi+(KCKT).%0D%0A%0D%0AComparative+studies+of+coumarin+compounds+have+been+carried+out+on+turmeric%0D%0A(Curcuma+longa+L.)+from+Yogyakarta%2C+Bali%2C+Lampung%2C+Medan%2C+and+Semarang%2C%0D%0Ausing+a+chromatographic+method%2C+namely+High+Performance+Liquid%0D%0AChromatography+(HPLC).+This+study+aims+to+determine+the+presence+of+coumarin%0D%0Acompounds+contained+in+turmeric+extract.+Turmeric+extract+was+obtained+from+25%0D%0Ag+of+dry+and+ground+turmeric+samples.+Samples+were+extracted+by+soxhletation+at%0D%0A60%C2%B0C%2C+then+concentrated+again+with+a+rotary+evaporator%2C+at+a+pressure+of+281+mbar%0D%0Aand+a+temperature+of+40%C2%B0C.+The+concentrated+extract+was+weighed+so+that+the+yield%0D%0Avalue+of+the+Yogyakarta+turmeric+sample+was+5.01%25%2C+Bali+3.35%25%2C+Lampung%0D%0A2.25%25%2C+Medan+3.75%25+and+Semarang+3.28%25.+Compound+identification+was+carried%0D%0Aout+by+Thin+Layer+Chromatography+(TLC)+test+with+n-hexane%3A+ethyl+acetate+eluent%0D%0Aratio+of+1%3A1+v%2Fv%2C+an+R%C6%92+value+of+0.31+was+obtained+which+indicated+the+presence+of%0D%0Acoumarin+compounds.+Coumarin+analysis+was+then+carried+out+using+HPLC%2C+with%0D%0Aacetonitrile+%3A+water+eluent+with+a+ratio+of+70%3A30+v%2Fv.+The+results+of+the+HPLC+test%0D%0Aaccording+to+previous+studies+showed+that+the+retention+time+of+the+coumarin%0D%0Astandard+solution+was+3.689+minutes.+In+this+study%2C+the+retention+time+of+coumarin%0D%0Acompounds+was+obtained+for+each+turmeric+sample%3A+Yogyakarta+at+3.620+minutes%3B%0D%0ABali+at+3%2C793+minutes%3B+Lampung+at+3%2C803+minutes%3B+Semarang+in+3.653+minutes+and%0D%0Athe+presence+of+Furanokumarin+compounds+in+the+Medan+sample+with+a+retention%0D%0Atime+of+9.229+minutes.%0D%0AKeywords+%3A+Turmeric+(Curcuma+longa+L.)%2C+Coumarin%2C+High+Performance+Liquid%0D%0AChromatography+(HPLC).&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-01-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F73600%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F73600%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F73600%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++DAHLIANI+%2C+SILVIA+SIANIPAR++(2023)+STUDI+KOMPARATIF+KARAKTERISTIK+KUMARIN+DALAM+KUNYIT+(Curcuma+longa+L.)+DARI+BERBAGAI+DAERAH+DENGAN+MENGGUNAKAN+KROMATOGRAFI+CAIR+KINERJA+TINGGI+(KCKT).++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F73600%2F