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I Wayan Budiastra
Departemen Teknik Mesin Dan Biosistem, IPB University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics Social Sciences Other

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Journal : Jurnal Teknologi Dan Industri Pangan

 1 
Acoustic Study Of Mangosteene (Gracinia mangostana L) By Using Ultrasonic Wave Jajang juansah; I wayan Budiastra; Suroso .
Jurnal Teknologi dan Industri Pangan Vol. 18 No. 1 (2007): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The wave used to study the acoustic properties of mangosteen is ultrasonic wave. Ultrasonic wave with frequency of 50 KHz was used to determine acoustic properties of mangosteen. The main wave properties were the attenuation, impedance of acoustic and acoustic velocity at mangosteen. Others have been evaluated were the correlation of attenuation and acoustic velocity at parts of mangosteen with its intact mangosteen. The acoustic parameters were related to the physic-chemical parameters of the fruit (TDS and hardness). This relationship was used to study mangosteen properties and quality. Because of mangosteen structure and it’s pores (saw with low density), acoustic wave in manggosteen have low amplitude signal. It was saw with spectrum and FFT signal mangosteen and reference medium / air (1.4:2.3). The fruit with increasing maturity mount (from color index 2 to 5) will experience hardness degradation, improvement of TDS, which are related to degradation of acoustic attenuation, improvement of acoustic speed and impedance. Multiple regression method was used to get empiric equation of wave in mixture of flesh-seed, husk and mangosteen (parts of mangosteen with its intact mangosteen). That saw in equation 1 and 2. the velocity and attenuation of ultrasonic wave in mixture of flesh – seed have higher effect equation on mangosteen than husk. It means that acoustic properties of mixture of flesh – seed has more contribution than husk. Key word: attenuation, velocity, impedance, ultrasonic, mangosteen
Co-Authors . Saputera . Sutrisno A. Trisnobudi Agus A Munawar Ahmuhardi Abdul Azis Alla Asmara Amin Rejo Amoranto Trisnobudi Anggie Yulia Sari Aris Purwanto Aryanis Mutia Zahra Baihaqi Baihaqi Bambang Haryanto Bambang Haryanto Bambang Haryanto Bambang Haryanto Bambang S. Purwoko BAMBANG S. PURWOKO Bambang Soenarto Baskoro Wicaksono, Baskoro Deva Primadia Dheni Mita Mala Dwi Dian Novita Ei Mon Kyaw Elizabeth Sonya Lumbantoruan Emmy Darmawati Fadfhillah, Dini Nur Fadhillah, Dini Nur Fila Rodotul Jannah Fiona Hanberia Innayah Hadi K. Purwadaria Hadi K. Purwadaria Hadi K. Purwadaria Hafiz Fajrin Aditama Harmi Andrianyta Herna Permata Sari I Kadek Suardika I M. S. Wibawa I NYOMAN SUTARPA SUTAMA I Wayan Redana Ida Bagus Made Suryatika Indah Kurniasari Irawaty Irawaty Jajang Juansah Jajang Juansah Jati Sumarto Putro Jeris Habfrons Wiatri Djereng Ketut Agus Karmadi KUDANG B. SEMINAR La Rianda LADY C. E. CH. LENGKEY Lady Lengkey Lalu Hendri Setiawan Mar'atus Sholihah Mawiti Infantri Mawiti Infantri Yekti Ni Nyoman, Ratini Noneng Fahri Novi Andareswari Noviar Harun Nur Arifiya Ocarina, Estika Parida, Desca Putu Doddy Heka Ardana Rini Rosita Rizal Syarief Rizky Wiradinata Rokhani Hasbullah Ruri Wijayanti Samsudin Samsudin SEDARNAWATI YASNI Semin Semin Sigid Hariyadi Siti Djamila Siti Zulaikah Slamet Susanto Slamet Widodo Slamet Widodo Sobir Sobir Sri Agustina Sri Citra Yuliana Madi Sugiyono . Sugiyono Sugiyono Sukrisno Widyotomo Suroso . Suroso . Suroso Suroso Sut risno Sutrisno - Sutrisno . Sutrisno Mardjan Sutrisno Sutrisno Tarisa Fadillah Titis Priyowidodo Trisma Rezeki Zairisman Usman Ahmad Vita N. Lawalata Wayan Gede Suharta Wendianing Putri Luketsi Wiranda G. Piliang Yasin, Yasnita Yul Y Nazaruddin Yunisa Tri Suci