Djamila S, Budiastra IW, .S. Karakteristik Transmisi Gelombang Ultrasonik dan Hubungannya dengan Sifat Fisiko-Kimia Buah Naga. JTEP [Internet]. 2014Jan.5 [cited 2024Sep.27];24(1). Available from: https://journal.ipb.ac.id/index.php/jtep/article/view/%20%3Cp%3E%3Cstrong%3E%3Cem%3EAbstract%3C%2Fem%3E%3C%2Fstrong%3E%3C%2Fp%3E%20%3Cp%3E%3Cem%3ECommonly%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3E%20the%20quality%20of%20%3C%2Fem%3E%3Cem%3Edragon%20%3C%2Fem%3E%3Cem%3E%20fruit%20in%20Indonesia%20is%20determined%20manually%20by%20using%20visual%20appearances%20and%20it%20gives%20un-uniformly%20results%20caused%20by%20human%20%3C%2Fem%3E%3Cem%3Efactors%20and%20the%20judgement%20is%20not%20reflected%20the%20internal%20quality%20of%20dragon%20fruit.%20Destructive%20method%20is%20usually%20used%20to%20determine%20the%20internal%20quality%20of%20dragon%20fruit%20that%20is%20unsuitable%20for%20quality%20control%20of%20fresh%20dragon%20fruit.%C2%A0%20So%20a%20non%20destructive%20method%20is%20require%3C%2Fem%3E%3Cem%3Ed%3C%2Fem%3E%3Cem%3E%20for%20evaluation%20the%20quality%20of%20dragon%20fruit.%20%3C%2Fem%3E%3Cem%3EThe%20objectives%20of%20the%20research%20were%20to%20%3C%2Fem%3E%3Cem%3Edetermine%20%3C%2Fem%3E%3Cem%3Ethe%20physico-chemi%3C%2Fem%3E%3Cem%3Ecal%20%3C%2Fem%3E%3Cem%3E%20and%20ultrasound%20wave%20transmission%20characteristic%3C%2Fem%3E%3Cem%3Es%3C%2Fem%3E%3Cem%3E%20of%20%3C%2Fem%3E%3Cem%3Esuper%20red%20%3C%2Fem%3E%3Cem%3Edragon%20fruit%20according%20to%20harvest%3C%2Fem%3E%3Cem%3Eing%3C%2Fem%3E%3Cem%3E%20time%2C%20and%20to%20study%20the%20relationship%20between%20ultrasound%20wave%20transmission%20characteristic%3C%2Fem%3E%3Cem%3Es%3C%2Fem%3E%3Cem%3E%20and%20physico-chemi%3C%2Fem%3E%3Cem%3Ecal%3C%2Fem%3E%3Cem%3E%20characteristic%3C%2Fem%3E%3Cem%3Es%3C%2Fem%3E%3Cem%3E%20of%20%3C%2Fem%3E%3Cem%3Esuper%20red%20%3C%2Fem%3E%3Cem%3Edragon%20fruit%3C%2Fem%3E%3Cem%3E.%20%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3ES%3C%2Fem%3E%3Cem%3Euper-red%20dragon%20fruits%3C%2Fem%3E%3Cem%3E%20were%20harvested%20at%3C%2Fem%3E%3Cem%3E%2030%2C%2032%2C%20and%2034%20%3C%2Fem%3E%3Cem%3Edays%20after%20flower%20blooms%20%28150%20samples%29%20from%20PT%20Wahana%20Cory%2C%20Ciapus%2C%20Bogor.%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3EThe%20%3C%2Fem%3E%3Cem%3Eresult%3C%2Fem%3E%3Cem%3Es%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3Eshowed%20that%20the%20ultrasound%20%3C%2Fem%3E%3Cem%3Evelocity%3C%2Fem%3E%3Cem%3E%20of%20super%20red%20dragon%20fruit%20ranged%20from%20614.10%20to%20680.16%C2%A0%20m%2Fs%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3E%20and%C2%A0%20the%20%3C%2Fem%3E%3Cem%3Eattenuation%20coefficient%3C%2Fem%3E%3Cem%3E%20were%2057.32%20to%2062.40%20Neper%20per%20meter.%20T%3C%2Fem%3E%3Cem%3Ehe%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3Eattenuation%20coefficient%3C%2Fem%3E%3Cem%3E%20was%3C%2Fem%3E%3Cem%3E%20significant%3C%2Fem%3E%3Cem%3Ely%20different%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3Eaccording%20to%20maturity.%C2%A0%20There%20were%20significant%20correlations%20between%20ultrasound%20parameters%20%28velocity%20and%20%3C%2Fem%3E%3Cem%3Eattenuation%20coefficient%3C%2Fem%3E%3Cem%3E%29%20and%20%3C%2Fem%3E%3Cem%3Ephysico-chemi%3C%2Fem%3E%3Cem%3Ecal%20of%20super%20red%20dragon%20fruit%20%28firmness%2C%20sugar%20content%2C%20total%20soluble%20solid%2C%20and%20total%20acid%29.%3C%2Fem%3E%3C%2Fp%3E%20%3Cp%3E%3Cstrong%3E%3Cem%3EKeyword%3A%3C%2Fem%3E%3C%2Fstrong%3E%3Cem%3E%20%3C%2Fem%3E%3Cem%3Edragon%20fruit%2C%20attenuation%2C%20ultrasound%2C%20velocity%3C%2Fem%3E%3Cem%3E%20%3C%2Fem%3E%3C%2Fp%3E%20%3Cp%3E%3Cem%3EDiterima%3A%2025%20September%202009%3B%20Disetujui%3A%203%20Februari%202010%3C%2Fem%3E%3C%2Fp%3E%3Cp%20class%3D%22MsoNormal%22%20style%3D%22margin-left%3A2cm%3Btext-align%3Acenter%3Btext-indent%3A-2cm%3Bline-height%3Anormal%3B%22%3E%3Cstrong%3E%3Cem%3E%3Cbr%20%2F%3E%3C%2Fem%3E%3C%2Fstrong%3E%3C%2Fp%3E%3Cdiv%20style%3D%22text-indent%3A0px%3B%22%3E%3Cstrong%3E%3Cem%3E%3C%2Fem%3E%3C%2Fstrong%3E%3C%2Fdiv%3E%3Cstrong%3E%3Cem%3E%3C%2Fem%3E%3C%2Fstrong%3E%20