?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGGUNAAN+UV-VIS+SPECTROSCOPY++DAN+METODE+SIMCA+UNTUK+DISKRIMINASI+TIGA++KOPI+BUBUK+ARABIKA+SPESIALTI+DI+PULAU+JAWA+%0D%0A&rft.creator=ERICK+DESRIANTO+MUNTHE%2C+1314071018&rft.subject=Pertanian+(+Umum+)&rft.subject=Budidaya+tanaman&rft.description=Indonesia+memiliki+beberapa+daerah+penghasil+kopi+spesialti+yang+sudah+terindikasi+geografis.+Beberapa+kopi+spesialti+di+Indonesia+yaitu+kopi+arabika+Java+Preanger%2C+kopi+arabika+Sindoro-Sumbing+dan+kopi+arabika+Java+Ijen-Raung.++Pencampuran+kopi+spesialti+sering+kali+dilakukan+dengan+menggunakan+kopi+kualitas+rendah+untuk+mendapat+keuntungan+yang+lebih+besar.+Pencampuran+kopi+dilakukan+pada+kopi+sebelum+disangrai%2C+kopi+setelah+disangrai+dan+kopi+bubuk.+Pada+kopi+sebelum+disangrai+dan+kopi+setelah+disangrai+dapat+dibedakan+dari+warna+dan+bentuk%2C+tetapi+setelah+kopi+sudah+diolah+menjadi+bubuk+proses+indentifikasi+menjadi+lebih+sulit+untuk+dilakukan.+Maka+penelitian+ini+dilakukan+untuk+mengidentifikasi+tiga+jenis+kopi+spesialti+dari+pulau+jawa+menggunakan+UV-Vis+Spectroscopy+dan+software+The+Unscrambler+versi+9.2+dengan+metode+soft+independent+modelling+of+class+analogy+(SIMCA).%0D%0APengujian+dilakukan+pada+bubuk+kopi+berukuran+0%2C297+milimeter+(mesh+50)+dengan+berat+1+gram+pada+setiap+sampelnya.+Sampel+kopi+1+gram+diekstraksi+menggunakan+aquades+sebanyak+50+ml+dengan+suhu+90-98oC.+Kemudian+dihomogenisasi%2C+disaring+menggunakan+kertas+saring%2C+pengenceran+dengan+perbandingan+1+ml+sampel+ekstraksi+kopi+dengan+20+ml+aquades%2C+dan+diambil+data+absorbansinya+menggunakan+UV-Vis+Spektroscopy+dan+didapatkan+data+berupa+data+absorbansi+pada+panjang+gelombang+190+%E2%80%93+1100+nm.%0D%0AHasil+klasifikasi+menunjukkan+bahwa+metode+PCA+mampu+membedakan+kopi+arabika+Java+Preanger%2C+kopi+arabika+Sindoro-Sumbing+dan+kopi+arabika+Java+Ijen-Raung.+Hasil+analisis+PCA+terbaik+diperoleh+untuk+tipe+spektra+standard+normal+variate+(SNV)+dan+panjang+gelombang+250+-+450+nm.++Pada+pengembangan+model+Standard+normal+variate+(SNV)+menghasilkan+nilai+PC1+sebesar+87%25+dan+PC2+sebesar+8%25.+Sedangkan+untuk+klasifikasi+SIMCA+menggunakan+sampel+prediksi+diperoleh+nilai+akurasi+(AC)+sebesar+100%25%2C+nilai+sensitivitas+(S)+sebesar+100%25%2C+nilai+spesifisitas+(SP)+sebesar+100%25%2C+dan+nilai+error+(FP)+sebesar+0%25.%0D%0A%0D%0AKata+Kunci+%3A+Kopi+Arabika+Java+Preanger%2C++Kopi+Arabika+Sindoro-Sumbing%2C+Kopi+Arabika+Java+Ijen-Raung%2C+Kopi+Spesialti%2C+SIMCA%2C+UV-Vis+spectroscopy%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIndonesia+has+several+specialty+coffee+producing+region+that+have+been+indicated+geographically.+Some+specialty+coffees+in+Indonesia+are+arabica+coffee+Java+Preanger%2C+arabica+coffee+Sindoro-Sumbing+and+arabica+coffee+Java+Ijen-Raung.+Mixing+specialty+coffee+is+often+done+by+using+low+quality+coffees+to+make+a+bigger+profit.+Mixing+coffee+is+done+on+unroasted+coffee+bean%2C+roasted+coffee+bean+and+ground+coffee.+In+unroasted+coffee+and+roasted+coffee+bean+can+be+distinguished+each+other+from+color+and+shape%2C+but+for+ground+roasted+coffee%2C+the+identification+process+becomes+more+difficult+to+do.+For+this+reason%2C++research+was+conducted+to+identify+three+types+of+specialty+coffees+from+Java+island+using+UV-Vis+Spectroscopy+and+The+Unscrambler+software+version+9.2+with+soft+independent+modelling+method+of+class+analogy+(SIMCA).%0D%0AThe+test+was+performed+on+a+0%2C297+millimeter+(mesh+50)+coffee+powder+weighing+1+gram+in+each+sample.+1+gram+of+coffee+sample+was+extracted+using+50+ml+aquades+with+temperature+90-98oC.+The+extrated+samples+were+homogenized+and+filtered+using+filter+paper+and+it+was+diluted+with+a+ratio+of+1+ml+sample+of+coffee+extraction+with+20+ml+of+aquades%2C+and+the+spektral+were+taken+using+UV-Vis+Spectrometer+in+the+range+of+190+-+1100+nm.%0D%0A%0D%0AClassification+results+show+that+PCA+methods+are+able+to+differentiate+Java+Preanger++arabica+coffee%2C+Sindoro-Sumbing+arabica+coffee+and+arabica+coffee+Java+Ijen-Raung.+The+best+PCA+analysis+results+were+obtained+for+normal+standard+variate+(SNV)+spectra+type+and+250+-+450+nm+wavelength.+In+the+development+of+normal+standard+variate+(SNV)+model%2C+PC1+value+was+87%25+and+PC2+8%25.+As+for+SIMCA+classification+using+prediction+sample+resulted+100%25+accuracy+value+(AC)%2C+100%25+sensitivity+(S)%2C+100%25+specificity+(SP)%2C+and+0%25+error+value+(FP)+is+respectively.%0D%0A%0D%0A%0D%0AKeywords%3AArabica+Coffee+Java+Preanger%2C+Arabica+Coffee+Sindoro-Sumbing%2C+Arabica+Coffee+Java+Ijen-Raung%2C+Specialty+Coffee%2C+SIMCA%2C+UV-Vis+Spectroscopy&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2018-06-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32399%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32399%2F19%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32399%2F20%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ERICK+DESRIANTO+MUNTHE%2C+1314071018++(2018)+PENGGUNAAN+UV-VIS+SPECTROSCOPY+DAN+METODE+SIMCA+UNTUK+DISKRIMINASI+TIGA+KOPI+BUBUK+ARABIKA+SPESIALTI+DI+PULAU+JAWA.++UNIVERSITAS+LAMPUNG%2C+FAKULTAS+PERTANIAN.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F32399%2F