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Agus Arip Munawar
Department Of Agricultural Engineering, Syiah Kuala University, Aceh
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Veterinary Other

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Journal : Jurnal Teknologi Pertanian

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PREDIKSI VITAMIN C, TOTAL ASAM TERTITRASI, DAN TOTAL PADATAN TERLARUT PADA BUAH MANGGA MENGGUNAKAN NEAR-INFRARED REFLECTANCE SPECTROSCOPY Kusumiyati Kusumiyati; Agus Arip Munawar; Diding Suhandy
Jurnal Teknologi Pertanian Vol. 21 No. 3 (2020)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (618.463 KB) | DOI: 10.21776/ub.jtp.2020.021.03.1

Abstract

ABSTRAK Buah mangga memiliki kandungan nutrisi yang bermanfaat bagi kesehatan. Komoditas ini tersedia di pasar dalam berbagai jenis kulitvar, diantaranya cengkir, kweni, kent dan palmer. Tujuan penelitian ini adalah memprediksi kualitas internal buah mangga yaitu vitamin C, total asam tertitrasi, total padatan terlarut (TPT) menggunakan near-infrared reflectance spectroscopy (NIRS). Spektra diffuse reflectance yang diperoleh dari hasil akuisisi spektra dikoreksi dengan pra-pengolahan spektra metode orthogonal signal correction (OSC), dan turunan pertama savitzky-golay (dg1). Hasil penelitian menjelaskan bahwa vitamin C, total asam tertitrasi, dan TPT dapat diprediksi dengan baik menggunakan NIRS. Pra-pengolahan spektra memberikan pengaruh terhadap akurasi pendugaan kualitas internal buah mangga. Spektra dg1 memperoleh nilai R2 kalibrasi tertinggi pada ketiga parameter kualitas yaitu 0,98 (vitamin C), 0,87 (total asam tertitrasi), dan 0,96 (TPT). Namun, pada pendugaan vitamin C dan total padatan terlarut, spektra dg1 menampilkan nilai konsisten yang rendah yaitu sebesar 56% dan 63%. Pra-pengolahan spektra OSC mampu mereduksi jumlah faktor pada spektra original. Model kalibrasi terbaik pendugaan vitamin C dan total padatan terlarut diperoleh oleh spektra original, sedangkan pendugaan total asam tertitrasi ditunjukkan oleh spektra dg1 Kata kunci: Analisis Multivariat; Kalibrasi; Kemometrika; Nondestruktif; Validasi ABSTRACT Mango fruit contains a lot of beneficial nutrition for health. This commodity is available at the market in various cultivars, including cengkir, kweni, kent, and palmer. The purpose of the research was to predict the internal quality of mango such as vitamin C, titratable acidity, soluble solid content using near-infrared reflectance spectroscopy (NIRS). Diffuse reflectance spectra acquired from spectra acquisition were corrected using spectra pre-processing methods of orthogonal signal correction (OSC) and first derivative savitzky-golay (dg1). The results explained that vitamin C, titratable acidity, and SSC were able to be properly predicted using NIRS. Spectra pre-processing gave effect to the accuracy of internal quality prediction of mango. Dg1 spectra obtained the highest calibration R2 in the three quality parameters of 0.98 (vitamin c), 0.87 (titratable acidity), and 0.96 (SSC). However, in vitamin c and SSC prediction, dg1 spectra yielded low consistent values of 56% and 63%. Besides, OSC spectra pre-processing was able to reduce the number of factors in the original spectra. The best calibration model for predicting vitamin c and total dissolved solids was achieved by the original spectra, while the prediction of titratable acidity was shown by dg1 spectra Keywords: Calibration; Chemometrics; Multivariate Analysis; Nondestructive; Validation
Co-Authors . Ichwana ., Jauharlina Abuijal Muhammad Rifaldi Agussabti Agussabti Annisa Azzahra Aulia Ifnu Akbar Br Padang, Sheila Saharani Cut Dahlia Iskandar Darwin Darwin Desi Nanda Sari Devianti Devianti Devianti Devianti Devianti Devianti Devianti Devianti Dewi Sri Jayanti Dian Sri Bintang Hasiholan Manihuruk Diding Suhandy Diswandi Nurba, Diswandi Dwi Anindea Putri Endamin Endamin Fachruddin Fachruddin Fitria Nisak Fredinan Yulianda Giar Pramanda Putra Hairatun Hairatun Hasanuddin Hasanuddin Hayati Zahra Hesti Meilina Ichwana Ichwana Ichwana Ramli Ichwana Ramli Indera Sakti Nasution Ine Elisa Putri Ine Elisa Putri Intan Ratna Juwita Irfan Maibriadi Khairul Abdi Ruslana Khairul Abdi Ruslana Kiman Siregar Kusumiyati Masdar Masdar Mohd Nazar Isza Putra Muaida Alfia Mubarak Hulda Muhammad Ikhram Muhammad Ikhsan Sulaiman Muhammad Zikri Pratama Munanda Irawan Murtahar Murtahar Muslem Muslem Mustaqimah Mustaqimah Najla Mumtazmi Nasrul Arahman Nur Alfah Puji Meihani Qurratul Zulmi Raida Agustina Raida Agustina Raida Agustina Ramayanty Bulan Ratna Ratna Ratna Ratna Ratna Ratna Ridwan Ridwan rina aulia barus Rina Aulia Barus Riska Nurul Saputri Rita Khathir Rita Zahara Salman Rivaldi Solly Aryza Sri Aprilia Sri Purnama Sari Sufardi Sufardi Suswita Sari Syahrul Ramadhan Syaubari syaubari Tasya, Yulia Teuku Hafidh Tyas Al Khalis Yesi Ardiani Yovita Amanda Yuda Hadiwijaya Yusmanizar Yusmanizar Yusril Agus Putra Yuswar Yunus Z Zainuddin Zainuddin, Z Zikrul Khalid Zulfahrizal Zulfahrizal Zulfahrizal Zulfahrizal Zulfahrizal Zulfahrizal Zulfahrizal Zulfahrizal zulfahrizal zulfahrizal Zulkifli Nasution