?url_ver=Z39.88-2004&rft_id=1814071004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGGUNAAN+UV-VIS+SPEKTROSKOPI+DAN+METODE+KEMOMETRIKA+UNTUK+MENGIDENTIFIKASI+PEMALSUAN+MADU+MONOFLORA+(Acacia+mangium)+LEBAH+TANPA+SENGAT+(Heterotrigona+itama)+DENGAN+BAHAN+PEMANIS+HFCS-55%0D%0A%0D%0A&rft.creator=ANNISY+SYAHIDA+AULIA+MAHBU+BILAH+%2C+1814071004&rft.subject=607+Pendidikan%2C+riset%2C+topik+terkait&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Sebagai+madu+premium%2C+madu+monoflora+dari+lebah+tanpa+sengat+Heterotrigona+itama+adalah+produk+yang+memiliki+resiko+pemalsuan+yang+tinggi.+Salah+satu+bentuk+pemalsuan+madu+yaitu+mencampurnya+dengan+bahan+pemanis+buatan%2C+namun+tertulis+sebagai+madu+murni+pada+label.+Untuk+mengantisipasinya+maka+penting+untuk+memiliki+sistem+autentikasi+sehingga+dapat+memberikan+hak+keaslian+produk+bagi+konsumen+dan+produsen+mendapatkan+kepercayaan+dari+konsumen.+Penelitian+ini+memanfaatkan+spektroskopi+UV-visible+dan+metode+kemometrika+untuk+mengidentifikasi+pemalsuan+madu+lebah+Heterotrigona+itama+dari+nektar+Acacia+mangium+yang+dicampur+HFCS-55.+Sampel+madu+H.+itama+murni+(MI)+berjumlah+20+sampel+dan+madu+campuran+(MC)+berjumlah+120+sampel.++Data+spektra+diukur+pada+rentang+panjang+gelombang+190-1100+nm%2C+interval+1+nm%2C+dan+menggunakan+mode+absorbansi.+%0D%0AData+spektra+original+ditransformasi+dengan+beberapa+kombinasi+dari+lima+jenis+pretreatment+yaitu+smoothing+moving+average%2C+multiplicative+scatter+correction+(MSC)%2C+standard+normal+variate+(SNV)%2C+normalize%2C+dan+Savitzky-Golay.+Model+SIMCA+yang+menggunakan+data+hasil+pretreatment+MSC+%2B+smooting+moving+average+5+segment+mampu+mengklasifikasi+seluruh+sampel+dengan+benar+dan+memberikan+nilai+sempurna+dengan+akurasi+100%25%2C+sensitivitas+100%25%2C+spesifisitas+100%25%2C+dan+nilai+error+0%25.+Sedangkan+nilai+PC+kumulatif+dari+analisis+PCA+menunjukkan+bahwa+99%25+varian+data+dapat+dijelaskan+dengan+baik.+Visualisasi+score+plot+menampilkan+pola+sampel+MI+dan+MC+yang+dapat+dibedakan+dengan+nyata.+Pada+plot+x-loading+terindikasi+puncak+gelombang+pada+288+nm+dan+290+nm%2C+keduanya+berkorelasi+dengan+absorbansi+dari+flavonoid+dan+asam+fenolik.+Hal+tersebut+sesuai+dengan+hasil+penelitian+pendahulu%2C+yang+membuktikan+bahwa+madu+menggandung+lebih+dari+150+senyawa+polifenol+yang+mengandung+flavonoid%2C+fenolik+acid%2C+katekin%2C+dan+turunan+asam+sinamik.+Sedangkan+flavonoid+adalah+golongan+yang+mendominasi+dalam+senyawa+fenolik.+Saran+dari+penulis+adalah+untuk+melakukan+penelitian+lanjutan+dengan+senyawa+fenolik+sebagai+target+dalam+klasifikasi.+Selain+itu+dapat+dengan+melibatkan+beragam+jenis+madu+untuk+mengetahui+lebih+banyak+senyawa+penting+yang+berkontribusi+dalam+mengkarakterisasi+madu.%0D%0AKata+kunci%3A+Spektroskopi+UV-Vis%2C+SIMCA%2C+monoflora%2C+kemometrika%2C+identifikasi+pemalsuan%0D%0A%0D%0AAs+premium+honey%2C+monoflora+honey+from+the+stingless+bee+Heterotrigona+itama+is+a+product+that+has+a+high+risk+of+adulteration.+One+form+of+adulteration+of+honey+is+to+mix+it+with+artificial+sweeteners%2C+but+it+is+written+as+pure+honey+on+the+label.+To+anticipate+this%2C+it+is+important+to+have+an+authentication+system+so+that+it+can+give+consumers+the+right+to+product+authenticity+and+producers+to+gain+the+trust+of+consumers.+This+study+utilized+UV-Visible+spectroscopy+and+chemometric+methods+to+identify+adulteration+of+Heterotrigona+itama+bee+honey+from+Acacia+mangium+nectar+mixed+with+HFCS-55.+There+were+20+samples+of+pure+H.+itama+honey+(MI)+and+120+samples+of+mixed+honey+(MC).+Spectral+data+were+measured+in+the+wavelength+range+190-1100+nm%2C+1+nm+interval%2C+and+using+absorbance+mode.%0D%0AThe+original+spectral+data+were+transformed+by+several+combinations+of+five+types+of+pretreatment%2C+namely+smoothing+moving+average%2C+multiplicative+scatter+correction+(MSC)%2C+standard+normal+variate+(SNV)%2C+normalize%2C+and+Savitzky-Golay.+The+SIMCA+model+using+MSC+%2B+smoothing+moving+average+5+segment+pretreatment+data+was+able+to+classify+all+samples+correctly+and+gave+perfect+scores+with+100%25+accuracy%2C+100%25+sensitivity%2C+100%25+specificity%2C+and+0%25+error+value.+While+the+cumulative+PC+value+from+PCA+analysis+shows+that+99%25+of+the+data+variance+can+be+explained+well.+The+score+plot+visualization+shows+the+MI+and+MC+sample+patterns+that+can+be+distinguished+significantly.+The+x-loading+plot+indicated+wave+peaks+at+288+nm+and+290+nm%2C+both+correlated+with+the+absorbance+of+flavonoids+and+phenolic+acids.+This+is+by+the+results+of+previous+studies%2C+which+proved+that+honey+contains+more+than+150+polyphenolic+compounds+containing+flavonoids%2C+phenolic+acids%2C+catechins%2C+and+cinnamic+acid+derivatives.+While+flavonoids+are+the+dominant+group+in+phenolic+compounds.+The+suggestion+from+the+author+is+to+carry+out+further+research+with+phenolic+compounds+as+targets+in+the+classification.+Another+suggestion+is+to+involve+various+types+of+honey+to+find+out+more+important+compounds+that+contribute+to+the+characterization+of+honey.%0D%0AKeywords%3A+UV-Vis+spectroscopy%2C+SIMCA%2C+monoflora%2C+chemometrics%2C+identification+of+adulteration%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2022-04-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62845%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62845%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62845%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ANNISY+SYAHIDA+AULIA+MAHBU+BILAH+%2C+1814071004++(2022)+PENGGUNAAN+UV-VIS+SPEKTROSKOPI+DAN+METODE+KEMOMETRIKA+UNTUK+MENGIDENTIFIKASI+PEMALSUAN+MADU+MONOFLORA+(Acacia+mangium)+LEBAH+TANPA+SENGAT+(Heterotrigona+itama)+DENGAN+BAHAN+PEMANIS+HFCS-55.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F62845%2F