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Journal : sains dan matematika

Geographical classification of Java Tea (Orthosiphon stamineus) from Java Island by FTIR Spectroscopy Combined with Canonical Variate Analysis Mohamad Rafi; Edy Djauhari Purwakusumah; Taopik Ridwan; Baba Barus; Atang Sutandi; Latifah Kosim Darusman
JURNAL SAINS DAN MATEMATIKA Volume 23 Issue 1 Year 2015
Publisher : JURNAL SAINS DAN MATEMATIKA

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Abstract

FTIR spectroscopy combined with canonical variate analysis was used for differentiation of java tea (Orthosiphon stamineus) according to their geographical origin. FTIR spectra of all java tea samples were acquired in the mid infrared region (wavenumber range 4000-400 cm-1). Preprocessing signal of FTIR spectra has been carried out prior to canonical variate analysis by standard normal variate. Combination of FTIR spectra in the region 1800-900 cm-1with canonical variate analysis has the power to differentiate java tea samples in terms of geographical origin. The developed method could be used for identification of geographical origin of java tea based on the samples used in this study.
Co-Authors A. Wahyuningrum ABDUL ROHMAN Abdul Rohman Abdul Rohman Abdul Rohman Abdul Rohman Abdul Rohman Abdul Waris Abdullah Abdullah Ade Heri Mulyati Ade Heri Mulyati Adi Novriansyah Afrianto Daud Agus Jatnika Effendi Agus Mohamad Soleh Akhmad Sabarudin ALFI HUDATUL KAROMAH Alfi Hudatul Karomah Alfi Hudatul Karomah Alfi Hudatul Karomah Alfi Hudatul Karomah Ali Miftahudin Allen Kurniawan Amalia Yunita Amrullah Amrullah Annisa Antonio Kautsar Ary Prabowo Aryo Tedjo Asefin Nurul Ikhtiarini Asma Asma Atang Sutandi Auliatifani, Reza Auliya Ilmiawati Aurentinus Zalukhu Baba Barus BAMBANG PRAJOGO Bambang - Riyanto Bambang Prajogo Eko Wardojo Boyfannie Ivan Putra Cahya Septyanti Cecep Abdurohman Putra Dea Silviani Derry Permana Dewi Anggraeni Septaningsih DEWI ANGGRAINI SEPTANINGSIH Dewi Pusparani Sinambela Dien Atin Boritnaban Djoko Santosa Dyan Fitri Nugraha E. Rohaeti Edy Djauhari Purwakusumah Edy Djauhari Purwakusumah Edy Djauhari Purwakusumah Elok Kamilah Hayati Endang Sunarwati Srimariana Esti Mumpuni Eti Rohaeti Fadila Karunina Farit M Afendi Fathimah Fathimah Fifi Gus Dwiyanti Ghufira Ghufira Hanifullah Habibie Henny Purwaningsih Herdiyanto Herdiyanto Heriyanto Syafutra Hermin Sulistyarti I MADE ARTIKA Ikrar M. Saleh Indah Mutiara Ningtyas Razaad Irma Herawati Suparto Irmanida Batubara Irnawati Irnawati Irnawati Irnawati ISKANDAR ZULKARNAEN SIREGAR Katrin Roosita Khaydanur Khaydanur Khaydanur, Khaydanur Khoirotul Muzayanah L. K. Darusman Laela Wulansari Latifah K Darusman Latifah K Darusman Latifah K. Darusman Latifah K. Darusman Latifah Kosim Darusman Latifah Kosim Darusman Latifah Kosim Darusman Latifah Kosim Darusman Lee Wah Lim Lee Wah Lim Lenni Mariana Simbolon Liliek Nurhidayati Lisa Aprilia Indriyani Lisa Aprilia Indriyani LUKMAN LUKMAN Lusi Royani M. Agung Zaim Adzkiya Maeda Wahyuningrum Makmum Syafi’i Maria Bintang Maya Melati Meutia Samira Ismet Morina Adfa Muhamad Insanu Muhamad Noor Azizu, Muhamad Noor Muhamad Syukur MUHAMMAD BACHRI AMRAN Muhammad Bachri Amran Muhammad Fuad Zaini Muhammad Majiidu Muliyah, Evi Nadya Cakasana Nancy Dewi Yuliana Nanik Siti Aminah Neliwati NELLY MARLIANI Nengsih, Nunuk Kurniati Ni'ma Hilyatin Nita Hestiyana Nunuk Kurniati Nengsih Nur Alam Dwi Cahyati Nurameylia Rasaidi Nurhajawarsi Nurhajawarsi Nurlita Putri Anggraini Nursifa Mawadah Partomuan Simanjuntak Parwito Puput Melati Purnomo, Tsania Firqin Putra Astaman Putri Vidiasari Darsono, Putri Vidiasari R. Heryanto Reza Auliatifani Rifki Husnul Khuluk Rimbawan Rimbawan Rita K Sari Rizka Wildani Rizky Kurniawan Murtiyanto Rizna Azrianiningsari RONNY YUNIAR GALINGGING Roza Linda Roza Linda Roza Linda Roza Yusfiandayani Rudi Heryanto Rurini Retnowati Salma Iza Fadhila Sandra Arifin Aziz Sefni Reza Yolanda Septaningsih, Dewi Anggraini Setiawan, Budi Setyaningsih, Widiastuti Shinta Maharani Trivena Sifa Awalul Fikriah Siti Norazian Ismail Slamet Ari Dwi Ratnanto Sri Fauziah Sulistijorini SUMINAR SETIATI ACHMADI Suyanti Natalia Syamsudin Abdillah Syamsudin Abdillah Syifa Muflihah Tamimah Shafwatul Ishlah Tanti Yulianti Raga Pertiwi Taopik Ridwan Taopik Ridwan TATIK RAISAWATI Tatik Raisawati Toyohide Takeuchi Triawan, Deni Agus Triyani Oktaria Tsania Firqin Purnomo Tun Tedja Irawadi Umi Khabibah Usman Ahmad Utami Dyah Safitri Utami Dyah Syafitri Waras Nurcholis Widia Citra Anggundari, Widia Citra Wina Yulianti Wisnu Ananta Kusuma Wulan Tri Wahyuni Wulansari, Laela Yanuar Chandra Wirasembada Yashinta Fitriani Yohana C. Sulistyaningsih Yohana Cecilia Sulistyaningsih Yulita Suyatmika Zulhan Arief Zulhan Arif Zulhelmi Aziz Zulliati Zulliati Zuraidah Nasution