Article

Yulia, Meinilwita and Suhandy, Diding (2021) Quantification of Corn Adulteration in Wet and Dry-Processed Peaberry Ground Roasted Coffees by UV–Vis Spectroscopy and Chemometrics. Molecules, 26 (20). p. 6091. ISSN 1420-3049

Suhandy, Diding and Yulia, Meinilwita and Kusumiyati, Kusumiyati and Suharyatun, Siti and Waluyo, Sri (2021) Investigasi pengaruh pengenceran sampel madu pada proses klasifikasi madu menggunakan uv spectroscopy dan kemometrika. Jurnal Teknologi & Industri Hasil Pertanian, 26 (2). pp. 72-82. ISSN 1410-3044

Suhandy, Diding and Yulia, Meinilwita (2021) UJI KEASLIAN MADU LEBAH HUTAN APIS DORSATA DARI NEKTAR UNIFLORA ACACIA MANGIUM MENGGUNAKAN SPEKTROSKOPI ULTRAVIOLET DAN KEMOMETRIKA. Jurnal Teknologi Pertanian, 22 (1). pp. 25-34. ISSN 2528-2794

Kuncoro, Sapto and Yulia, Meinilwita and Suhandy, Diding (2021) APLIKASI UV SPECTROSCOPY DAN METODE SIMCA UNTUK KLASIFIKASI KOPI LIBERIKA TUNGKAL JAMBI DAN KOPI LIBERIKA PROBOLINGGO. Jurnal Teknik Pertanian Lampung, 10 (1). pp. 49-56. ISSN 2302-559X

Suhandy, Diding and Yulia, Meinilwita (2021) The Use of UV Spectroscopy and SIMCA for the Authentication of Indonesian Honeys According to Botanical, Entomological and Geographical Origins. Molecules, 26 (4). p. 915. ISSN 1420-3049

Suhandy, Diding and Yulia, Meinilwita (2021) Classification of Lampung robusta Specialty Coffee According to Differences in Cherry Processing Methods Using UV Spectroscopy and Chemometrics. Agriculture, 11 (2). p. 109. ISSN 2077-0472

Suhandy, Diding and Yulia, Meinilwita (2021) THE USE OF ULTRAVIOLET (UV) SPECTROSCOPY AND CHEMOMETRICS TO QUANTIFY THE PERCENTAGES OF ADULTERATION IN KALOSI GROUND ROASTED SPECIALTY COFFEE. Journal of Engineering Science and Technology, 16 (1). pp. 350-364. ISSN 1823-4690

Suhandy, Diding and Yulia, Meinilwita (2021) Uji Keaslian Kopi Bubuk Spesialti Arabika Gayo Aceh Menggunakan Spektroskopi UV dan Kemometrika. AGRITECH, 41 (1). pp. 58-70. ISSN 0216-0455

Suhandy, Diding and Yulia, Meinilwita (2020) Klasifikasi Madu Berdasarkan Jenis Lebah (Apis dorsata versus Apis mellifera) Menggunakan Spektroskopi Ultraviolet dan Kemometrika. JIPI Jurnal Ilmu Pertanian Indonesia, 25 (4). pp. 564-573. ISSN 0853-4217

Yulia, Meinilwita and Suhandy, Diding (2019) Authentication of organic Lampung robusta ground roasted coffee by UV-visible spectroscopy and PLS-DA method. Journal of Physics: Conference Series, 1341. pp. 1-7. ISSN Print : 1742-6588 Online : 1742-6596

Suhandy, Diding and Yulia, Meinilwita (2019) Klasifikasi Kopi Bubuk Spesialti Kalosi dan Toraja Menggunakan UVVisible Spectroscopy dan Metode PLS-DA. JIPI Jurnal Ilmu Pertanian Indonesia, 24 (1). pp. 73-81. ISSN 0853-4217

Suhandy, Diding and Yulia, Meinilwita (2019) The development of classification model of peaberry and civet ground roasted coffee using UV-visible spectroscopy and two different compensation methods. Journal of Physics: Conference Series, 1341. pp. 1-7. ISSN Print : 1742-6588 Online : 1742-6596

Suhandy, Diding and Supriyanti, Eny and Yulia, Meinilwita and Waluyo, Sri (2018) PENGGUNAAN TEKNOLOGI UV-Vis SPECTROSCOPY UNTUK MEMBEDAKAN JENIS KOPI BUBUK ARABIKA GAYO WINE DAN KOPI BUBUK ARABIKA GAYO BIASA. Jurnal Teknik Pertanian Lampung, 7 (3). pp. 123-132. ISSN 2302-559X

Suhandy, Diding and Yulia, Meinilwita and Waluyo, Sri and sugianti, cicih (2017) UJI PENGGUNAAN METODE DISCRIMINANT PARTIAL LEAST SQUARES (DPLS) DAN DATA SPEKTRA DI DAERAH ULTRAVIOLET-CAHAYA TAMPAK UNTUK PENGGOLONGAN KOPI LUWAK. Jurnal Keteknikan Pertanian (JTEP), 5 (3). pp. 195-200. ISSN 2407-0475

Suhandy, Diding and Yulia, Meinilwita and Ogawa, Yuichi and Kondo, Naoshi (2017) Diskriminasi Kopi Lanang Menggunakan UV-Visible Spectroscopy dan Metode SIMCA. AGRITECH, 37 (4). pp. 471-476. ISSN 0216-0455

Waluyo, Sri and Handayani, Fipit Novi and Suhandy, Diding and Rahmawati, Winda and Sugianti, Cicih and Yulia, Meinilwita (2017) ANALISIS SPEKTRUM UV-VIS UNTUK MENGUJI KEMURNIAN KOPI LUWAK. Jurnal Teknik Pertanian Lampung, 6 (2). pp. 73-80. ISSN 2302-559X

Suhandy, Diding and Yulia, Meinilwita (2017) The Quantification of Adulteration in Arabica Coffee using UV-Visible Spectroscopy in Combination with Two Different PLS Regressions. Aceh International Journal of Science and Technology (AIJST), 6 (2). pp. 59-67. ISSN 2088-9860

Yulia, Meinilwita and Iriani, Riri and Suhandy, Diding and Waluyo, Sri and Sugianti, Cicih (2017) Studi Penggunaan Uv-Vis Spectroscopy Dan Kemometrika Untuk Mengidentifikasi Pemalsuan Kopi Arabika Dan Robusta Secara Cepat. Jurnal Teknik Pertanian Lampung, 6 (1). pp. 43-52. ISSN 2302-559X

Suhandy, Diding and Yulia, Meinilwita (2017) Peaberry coffee discrimination using UV-visible spectroscopy combined with SIMCA and PLS-DA. International Journal of Food Properties. ISSN 1094-2912 (In Press)

Suhandy, Diding and Yulia, Meinilwita (2017) The Use of Partial Least Square Regression and Spectral Data in UV-Visible Region for Quantification of Adulteration in Indonesian Palm Civet Coffee. International Journal of Food Science. pp. 1-7. ISSN 2356-7015

Sugianti, Cicih and Apratiwi, Novi and Suhandy, Diding and Telaumbanua, Mareli and Waluyo, Sri and Yulia, Meinilwita (2016) STUDIES ON THE USE OF UV-VIS SPECTROSCOPY FOR IDENTIFICATION OF BLENDING OF CIVET COFFEE WITH ARABICA COFFEE. Jurnal Teknik Pertanian Lampung, 5 (3). pp. 167-176. ISSN 2302-559X

Conference or Workshop Item

Suhandy, Diding and Yulia, Meinilwita (2021) Authentication of Six Indonesian Ground Roasted Specialty Coffees According to Variety and Geographical Origin using NIR Spectroscopy with Integrating Sphere. In: ICoSITeR2020, 23-25 October 2020, South Lampung, Indonesia.

Yulia, Meinilwita and Ningtyas, Kurnia Rimadhanti and Kuncoro, Sapto and Suhandy, Diding (2021) A Discrimination of Dry and Wet Processing Lampung Robusta Coffee using UV Spectroscopy and PLS-DA. In: ICoSITeR2020, 23-25 October 2020, South Lampung, Indonesia.

Suhandy, Diding and Yulia, Meinilwita (2021) Using UV-Visible spectroscopy coupled with linear discrimination analysis to discriminate between monofloral and multifloral honey from Indonesia. In: The International Conference on Chemical Science and Technology (ICCST) 2021, 8 September 2020, Medan North Sumatera.

Suhandy, Diding and Yulia, Meinilwita and Kuroki, Shinichiro and Nakano, Kohei (2021) The potential application of portable spectrometer equipped with integrating sphere and PLS-DA method to authenticate Indonesian specialty coffee. In: The International Conference on Chemical Science and Technology (ICCST) 2021, 8 September 2020, Medan North Sumatera.

Yulia, Meinilwita and Suhandy, Diding (2021) The qualitative and quantitative analysis of adulteration in specialty coffee from Tanggamus lampung using UV-visible spectroscopy and chemometrics. In: The International Conference on Chemical Science and Technology (ICCST) 2021, 8 September 2020, Medan North Sumatera.

Yulia, Meinilwita and Suhandy, Diding (2021) Simple analytical method based on UV-visible spectroscopy coupled with SIMCA method for authentication of Lampung robusta coffee with geographic indications (GIs). In: ICASMI 2020, 3 September 2020, Bandar Lampung.

Suhandy, Diding and Yulia, Meinilwita and Kuroki, Shinichiro and Nakano, Kohei (2021) The Use of SIMCA Method and NIR Spectroscopy with Hand-Held Spectrometers Equipped with Integrating Sphere for Classification of Two Different Indonesian Specialty Coffees. In: ICASMI 2020, 3-4 September 2020, Bandar Lampung.

Suhandy, Diding and Yulia, Meinilwita (2020) Unsupervised classification of three specialty coffees from Java based on principal component analysis and UV-visible spectroscopy. In: International Conference on Science, Infrastructure Technology and Regional Development 2019 25-26 October 2019, South Lampung, Indonesia, 25-26 October 2019, South Lampung, Indonesia.

Yulia, Meinilwita and Suhandy, Diding (2020) The potential application of UV-visible spectroscopy and chemometrics for discrimination of Lampung robusta coffee with different fermentations. In: International Conference on Science, Infrastructure Technology and Regional Development 2019 25-26 October 2019, South Lampung, Indonesia, 25-26 October 2019, South Lampung, Indonesia.

Yulia, Meinilwita and Suhandy, Diding (2019) The Feasibility of Geographical Origin Discrimination of Lampung Robusta Coffee Using UV-Visible Spectroscopy and Chemometric Methods. In: International Conference on Science, Infrastructure Technology and Regional Development, 19–20 October 2018, Institut Teknologi Sumatera campus, Lampung Selatan, Indonesia.

Suhandy, Diding and Yulia, Meinilwita (2019) The Measurement of Luwak Content in Coffee Blends Using UV-Visible Spectroscopy Combined with Support Vector Machine Regression (SVMR). In: International Conference on Science, Infrastructure Technology and Regional Development (ICoSITeR) 2018, 19-20 October 2018, Bandar Lampung, Indonesia.

Suhandy, Diding and Yulia, Meinilwita (2019) Potential application of UV-visible spectroscopy and PLS-DA method to discriminate Indonesian CTC black tea according to grade levels. In: International Conference on Science, Infrastructure Technology and Regional Development, 19–20 October 2018, Institut Teknologi Sumatera campus, Lampung Selatan, Indonesia.

Suhandy, Diding and Yulia, Meinilwita (2019) The authentication of peaberry and civet ground roasted robusta coffee using UV-visible spectroscopy and PLS-DA method with two different particle sizes. In: International Conference on Science, Technology, Infrastructure and Regional Development (ICoSITeR), 19-20 Oktober 2018, ITERA (Institut Teknologi Sumatera).

Suhandy, Diding and Yulia, Meinilwita (2018) The Current Status of Authentication of Indonesian Specialty Coffees Using UV-Visible Spectroscopy and Chemometrics. In: IC-GU 12 UGSAS-GU, 3-4 Desember 2018, Fakultas Pertanian Universitas Lampung.

Suhandy, Diding and Yulia, Meinilwita and Suzuki, Tetsuhito and Ogawa, Yuichi and Kondo, Naoshi (2018) RIGHT-ANGLE FLUORESCENCE SPECTROSCOPY COUPLED WITH PLS-DA FOR DISCRIMINATION OF INDONESIAN PALM CIVET COFFEE. In: ISAE International Seminar 2017, 9-12 August 2017, Bandar Lampung.

Suhandy, Diding and Yulia, Meinilwita (2018) SIMULTANEOUS DETERMINATION OF L-ASCORBIC ACID AND GLUCOSE IN MIXTURE SOLUTION USING FTIR-ATR TERAHERTZ SPECTROSCOPY COMBINED WITH PLS2 REGRESSION. In: ISAE International Seminar 2017, 9-12 August 2017, Bandar Lampung.

Yulia, Meinilwita and Suhandy, Diding (2017) Indonesian palm civet coffee discrimination using UV-visible spectroscopy and several chemometrics methods. In: International Symposium on Bioinformatics, Chemometrics and Metabolomics 18 October 2016, Bogor, Indonesia, 18 October 2016, Bogor, Indonesia.

Yulia, Meinilwita and Suhandy, Diding and Suzuki, Tetsuhito and Ogawa, Yuichi and Kondo, Naoshi (2017) L-ASCORBIC ACID DETERMINATION USING FTIR-ATR TERAHERTZ SPECTROSCOPY COMBINED WITH PLS2 REGRESSION. In: ISAE International Seminar 2017, 9-12 August 2017, Bandar Lampung.

Yulia, Meinilwita and Suhandy, Diding and Waluyo, Sri and Sugianti, Cicih (2016) Detection and Quantification of Adulteration in Luwak Coffee Through Ultraviolet-Visible Spectroscopy Combined with Chemometrics Method. In: UISFS The USR International Seminar on Food Security, August 23-24, 2016, Bandar Lampung, Indonesia.

Suhandy, Diding and Yulia, Meinilwita (2016) A Method to Compensate the Influence of Different Particle Size of Coffee Powder in NIR Calibration Model Performance. In: The 1st International Conference on the Role of Agricultural Engineering for Sustainable Agriculture Production, 13-14 December 2016, Bogor, Indonesia.

Yulia, Meinilwita and Suhandy, Diding (2016) Potensi Penggunaan UV-Visible Spectroscopy dan PLS-DA untuk Membedakan Kopi Luwak dan Bukan Luwak. In: Seminar Nasional Pengembangan Teknologi Pertanian Politeknik Negeri Lampung, 08 September 2016, Politeknik Negeri Lampung.

Suhandy, Diding and Yulia, Meinilwita and Novita, Dwi Dian and Oktora, Arion and Fitri, Yuni Kurnia (2016) The Potential Application of Using lnformation from Absorbance Spectra in UV‐ Vis Region for Prediction of ShelfLife in Loca1 0range Fruits During storage. In: Seminar Nasional Tempe, 28 Mei 2016, Bandar Lampung, Indonesia.

Suhandy, Diding and Yulia, Meinilwita and Waluyo, Sri and Sugianti, Cicih and Iriani, Riri and Handayani, Fipit Novi and Apratiwi, Novi (2016) The Potential Use of Ultraviolet-Visible Spectroscopy and Soft Independent Modelling of Class Analogies (SIMCA) for Classification of Indonesian Palm Civet Coffee (Kopi Luwak). In: UISFS The USR International Seminar on Food Security, August 23-24, 2016, Bandar Lampung, Indonesia.

Suhandy, Diding and Novita, Dwi Dian and Yulia, Meinilwita and Oktora, Arion and Fitri, Yuni Kurnia (2016) Shelf Life Prediction of Local Oranges Using Spectral Information in UV-Vis-NIR Region Combined With PLS Regression. In: UISFC International Seminar Food Secure, 23-24 August 2016, Bandar Lampung.

Suhandy, Diding and Waluyo, Sri and Sugianti, Cicih and Yulia, Meinilwita and Iriani, Riri and Handayani, Fipit Novi and Apratiwi, Novi (2016) The Use of UV-Vis-NIR Spectroscopy and Chemometrics for Identification of Adulteration in Ground Roasted Arabica Coffees -Investigation on the Influence of Particle Size on Spectral Analysis-. In: Seminar Nasional Tempe, 28 Mei 2016, Bandar Lampung, Indonesia.

Suhandy, Diding and Tusi, Ahmad and Novianto, Iwan and Yulia, Meinilwita (2015) Analisis Hubungan Tingkat Pemberian Air Irigasi terhadap Nilai Leaf Water Potential dan Kandungan Padatan Terlarut pada Tanaman Melon(Cucumis melo L). In: Seminar Nasional Sains & Teknologi VI, 3 November 2015, Bandar Lampung.

Suhandy, Diding and Yulia, Meinilwita and Kuncoro, Sapto and Rinaldo, Wahyu and KONDO, Naoshi and OGAWA, Yuichi (2010) The Measurement of Soluble Solids Content in Snake Fruit (Salacca Edulis Reinw) cv. Pondoh Using A Portable Spectrometer. In: 3rd IFAC Conference in Modelling and Control in Agriculture, Horticulture and Post-Harvest Processing - Agricontrol, 6-8 September 2010, Kyoto.

Patent

LPPM Universitas Lampung (2021) Metode Pengujian Keaslian Kopi Bubuk Luwak Menggunakan UV-Visible Spectroscopy dan Kemometrika. IDP000080391.

Other

Suhandy, Diding and Yulia, Meinilwita (2022) Sertifikat Hak Cipta Buku Uji Keaslian Madu Dengan Teknologi UV-Visible Spectroscopy : Dari Benchtop Ke Portabel. Dirjen KI RI.

Suhandy, Diding and Yulia, Meinilwita (2022) Sertifikat hak cipta buku referensi kopi robusta Lampung. Dirjen KI RI.

Yulia, Meinilwita and Ningtyas, Kurnia Rimadhanti and Suharyatun, Siti and Rahmawati, Winda and Suhandy, Diding (2022) Similirity: UV spectroscopy for discrimination of two arabica coffee cultivars in West Java Indonesia: a feasibility study. IOP Conference Series: Earth and Environmental Science.

Suhandy, Diding and Yulia, Meinilwita (2021) Bukti Sertifikat Hak Cipta Buku Autentikasi Madu Menggunakan Teknologi UV-Visible Spectroscopy. Dirjen KI RI.

Suhandy, Diding and Yulia, Meinilwita (2021) Authentication of Six Indonesian Ground Roasted Specialty Coffees According to Variety and Geographical Origin using NIR Spectroscopy with Integrating Sphere. IOP Publishing.

Yulia, Meinilwita and Ningtyas, Kurnia Rimadhanti and Kuncoro, Sapto and Suhandy, Diding (2021) A Discrimination of Dry and Wet Processing Lampung Robusta Coffee using UV Spectroscopy and PLS-DA. IOP Publishing.

Suhandy, Diding and Yulia, Meinilwita (2021) Bukti kehadiran ICAPHP 2021. ICAPHP2021. (Unpublished)

Suhandy, Diding and Yulia, Meinilwita (2021) UJI KEASLIAN MADU LEBAH HUTAN APIS DORSATA DARI NEKTAR UNIFLORA ACACIA MANGIUM MENGGUNAKAN SPEKTROSKOPI ULTRAVIOLET DAN KEMOMETRIKA. Fakultas Teknologi Pertanian Universitas Brawijaya, Jurnal Teknologi Pertanian JTP.

Kuncoro, Sapto and Yulia, Meinilwita and Suhandy, Diding (2021) APLIKASI UV SPECTROSCOPY DAN METODE SIMCA UNTUK KLASIFIKASI KOPI LIBERIKA TUNGKAL JAMBI DAN KOPI LIBERIKA PROBOLINGGO. Jurusan Teknik Pertanian Fakultas Pertanian Unila, Jurnal Teknik Pertanian Lampung.

Suhandy, Diding and Yulia, Meinilwita (2021) Classification of Lampung robusta Specialty Coffee According to Differences in Cherry Processing Methods Using UV Spectroscopy and Chemometrics. MDPI AG, Agriculture (MDPI).

Suhandy, Diding and Yulia, Meinilwita (2021) THE USE OF ULTRAVIOLET (UV) SPECTROSCOPY AND CHEMOMETRICS TO QUANTIFY THE PERCENTAGES OF ADULTERATION IN KALOSI GROUND ROASTED SPECIALTY COFFEE. Taylor's University, JESTEC.

Suhandy, Diding and Yulia, Meinilwita (2021) Uji Keaslian Kopi Bubuk Spesialti Arabika Gayo Aceh Menggunakan Spektroskopi UV dan Kemometrika. Fakultas Teknologi Pertanian UGM, AGRITECH.

Suhandy, Diding and Yulia, Meinilwita (2021) The Use of UV Spectroscopy and SIMCA for the Authentication of Indonesian Honeys According to Botanical, Entomological and Geographical Origins. MDPI AG, Molecules.

Yulia, Meinilwita (2021) Bukti kehadiran presentasi seminar internasional IPBFFTC2021. IPBFFTC2021. (Unpublished)

Suhandy, Diding and Yulia, Meinilwita and Kusumiyati, Kusumiyati and Suharyatun, Siti and Waluyo, Sri (2021) Investigasi pengaruh pengenceran sampel madu pada proses klasifikasi madu menggunakan uv spectroscopy dan kemometrika. Department of Agricultural Product Technology, Faculty of Agriculture, cooperated with Association of Indonesian Food Technologist (PATPI).

Yulia, Meinilwita and Suhandy, Diding (2021) LoA AESAP2021 Meinilwita Yulia dan Diding Suhandy. AESAP2021. (Unpublished)

Yulia, Meinilwita and Suhandy, Diding (2021) Simple analytical method based on UV-visible spectroscopy coupled with SIMCA method for authentication of Lampung robusta coffee with geographic indications (GIs). IOP Publishing, Journal of Physics: Conference Series.

Suhandy, Diding and Yulia, Meinilwita (2021) Tutorial Analisis Data Spektra Menggunakan The Unscrambler® Edisi ke-2. Graha Ilmu.

Suhandy, Diding and Yulia, Meinilwita and Kuroki, Shinichiro and Nakano, Kohei (2021) The Use of SIMCA Method and NIR Spectroscopy with Hand-Held Spectrometers Equipped with Integrating Sphere for Classification of Two Different Indonesian Specialty Coffees. IOP Publishing, Journal of Physics: Conference Series.

Suhandy, Diding and Yulia, Meinilwita (2021) Using UV-Visible spectroscopy coupled with linear discrimination analysis to discriminate between monofloral and multifloral honey from Indonesia. AIP Publishing, AIP Conference Proceedings.

Suhandy, Diding and Yulia, Meinilwita and Kuroki, Shinichiro and Nakano, Kohei (2021) The potential application of portable spectrometer equipped with integrating sphere and PLS-DA method to authenticate Indonesian specialty coffee. AIP Publishing, AIP Conference Proceedings.

Yulia, Meinilwita and Suhandy, Diding (2021) The qualitative and quantitative analysis of adulteration in specialty coffee from Tanggamus lampung using UV-visible spectroscopy and chemometrics. AIP Publishing, AIP Conference Proceedings.

Suhandy, Diding and Yulia, Meinilwita (2020) Klasifikasi Madu Berdasarkan Jenis Lebah (Apis dorsataversus Apis mellifera) Menggunakan Spektroskopi Ultraviolet dan Kemometrika. LPPM IPB, JIPI.

Suhandy, Diding and Yulia, Meinilwita (2020) Teknologi Near Infrared Spectroscopy Portabel Untuk Kuantifikasi Atribut Mutu Buah-Buahan. Graha Ilmu.

Suhandy, Diding and Yulia, Meinilwita (2020) Unsupervised classification of three specialty coffees from Java based on principal component analysis and UV-visible spectroscopy. IOP Publishing, IOP Conf. Series: Earth and Environmental Science.

Yulia, Meinilwita and Suhandy, Diding (2020) The potential application of UV-visible spectroscopy and chemometrics for discrimination of Lampung robusta coffee with different fermentations. IOP Publishing, IOP Conf. Series: Earth and Environmental Science.

Suhandy, Diding and Yulia, Meinilwita (2019) Klasifikasi Kopi Bubuk Spesialti Kalosi dan Toraja Menggunakan UV-Visible Spectroscopydan Metode PLS-DA. LPPM IPB, JIPI.

Yulia, Meinilwita and Suhandy, Diding (2019) The Feasibility of Geographical Origin Discrimination of Lampung Robusta Coffee Using UV-Visible Spectroscopy and Chemometric Methods. IOP Publishing, IOP Conf. Series: Earth and Environmental Science.

Suhandy, Diding and Yulia, Meinilwita (2019) Pengantar Ilmu Spektroskopi Untuk Pertanian. Graha Ilmu.

Suhandy, Diding and Yulia, Meinilwita (2019) Potential application of UV-visible spectroscopy and PLS-DA method to discriminate Indonesian CTC black tea according to grade levels. IOP Publishing, IOP Conf. Series: Earth and Environmental Science.

Suhandy, Diding and Yulia, Meinilwita and Kusumiyati, Kusumiyati (2019) The authentication of peaberry and civet ground roasted robusta coffee using UV-visible spectroscopy and PLS-DA method with two different particle sizes. IOP Publishing, IOP Conf. Series: Earth and Environmental Science.

Suhandy, Diding and Supriyanti, Eny and Yulia, Meinilwita and Waluyo, Sri (2018) PENGGUNAAN TEKNOLOGI UV-Vis SPECTROSCOPY UNTUK MEMBEDAKAN JENIS KOPI BUBUK ARABIKA GAYO WINE DAN KOPI BUBUK ARABIKA GAYO BIASA. Jurusan Teknik Pertanian Fakultas Pertanian Unila, Jurnal Teknik Pertanian Lampung.

Yulia, Meinilwita and Suhandy, Diding (2018) Identification of fresh and expired ground roasted robusta coffee using UV-visible spectroscopy and chemometrics. EDP Sciences, MATEC Web of Conferences.

Suhandy, Diding and Yulia, Meinilwita (2018) The classification of arabica gayo wine coffee using UV-visible spectroscopy and PCA-DA method. EDP Sciences, MATEC Web of Conferences.

Suhandy, Diding and Yulia, Meinilwita and Waluyo, Sri and sugianti, cicih (2017) Uji Penggunaan Metode Discriminant Partial Least Squares (DPLS) dan Data Spektra di Daerah Ultraviolet-Cahaya Tampak untuk Penggolongan Kopi Luwak. PERTETA, JTEP Jurnal Keteknikan Pertanian.

Suhandy, Diding and Yulia, Meinilwita and Ogawa, Yuichi and Kondo, Naoshi (2017) Diskriminasi Kopi Lanang Menggunakan UV-Visible Spectroscopy dan Metode SIMCA. Fakultas Teknologi Pertanian UGM, AGRITECH.

Suhandy, Diding and Yulia, Meinilwita (2017) Peaberry coffee discrimination using UV-visible spectroscopy combined with SIMCA and PLS-DA. Taylor & Francis, International Journal of Food Properties.

Yulia, Meinilwita and Suhandy, Diding Bukti Hasil Cek Similarity Untuk Publikasi Yulia and Suhandy 2021 Molecules. MDPI AG.

Suhandy, Diding and Yulia, Meinilwita Penilaian Sejawat: Buku Uji Keaslian Kopi Spesialti Indonesia Menggunakan UV-Visible Spectroscopy dan Metode Kemometrika. Graha Ilmu.