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"ABSTRAKProgram iodisasi garam dengan cara fortifikasi iodium ke dalam garam merupakan cara yang paling tepat guna dan ekonomis untuk menanggulangi masalah gangguan akibat kekurangan iodium. Tetapi dalam perkembangannya ada beberapa isu yang menyatakan bahwa penggunaan garam beriodium tidak efektif karena kadar iodiummya akan berkurang bahkan hilang bila dicampur dengan bumbu dapur. Untuk mengetahui lebih jauh keberadaan iodium dalam bumbu dapur perlu diadakan penelitian dengan menggunakan beberapa metode analisis yang lebih sensitif dibanding metode yang pernah di lakukan (Todometri) karena banyaknya senyawa kimia dalam bumbu dapur.yang berinteraksi dengan iodat. Metode X-ray Fluorescence digunakan untuk menganalisis secara total kandungan iodium dalam suatu sampel. Metode ini dapat digunakan dalam menganalisis iodium dalam berbagai spesies baik itu dalam bentuk iodida , iodat, iodium dan bentuk kompleks. Metode X-ray Fluorescence sangat sensitif dalam menganalsis suatu unsur yaitu sampai kisaran ppm. Dalam penelitian ini selain metode X-ray Fluorescence juga dilakukan pengujian menggunakan metode iodometri dengan maksud untuk mengetahui sejauh mana hasil yang diperoleh dengan metode ini. Hasil yang diperoleh dari metode X-ray Fluorescence adalah untuk bumbu cabe terjadi penurunan iodat sekitar 12,84 %, bumbu ketumbar sekitar 6,42 % dan merica sekitar 1,14 %. Sedangkan dengan metode Iodometri hasil yang diperoleh terjadi penurunan untuk masing-masing bumbu dapur yaitu cabe sekitar 75,5%, ketumbar 51,43% dan merica 20,99%. Perbedaan penurunan iodat dalam bumbu dapur dari kedua metode ini disebabkan karena perbedaan prinsip dan fungsi dari metode. Iodometri hanya dapat menganalisis iodium dalam bentuk iodat saja sedangkan dalam matrik bumbu dapur yang mengandung senyawa-senyawa kimia kemungkinan iodat berada dalam beberapa bentuk senyawa . X-ray Fluorescence dapat menganalisis iodat dalam beberapa bentuk senyawa iodium sehingga matrik bumbu dapur yang begitu kompleks tidak menjadi masalah ."

"A cross-sectional study was conducted in eight villages of Paninggahan Puskesmas catchment area in Solok district, West Sumatra province during March 1996. Its main objective was to investigate the relationship between iodine supplementation and IDD status among school age children in endemic goiter area.

A total of 238 children aged between 8 - 10 years from 8 public elementary schools were recruited into the study. Methods of assessment were palpation of thyroid gland, measurement of UIE level, determination of iodine level in salt and drinking water, weight and height, and interviews to determine the actual iodized oil capsule coverage. In addition, samples of environmental water was collected to assess its iodine content.

The survey area was categorized as mild 1DD area based on goiter rate, i.e. 19% (all were in grade 1). Median UIE level indicated that the subjects had been in iodine-replete condition (13.1 pg/dl). Iodine in salt was 14.4 t 9 ppm and iodine in drinking water was 11.7 t 8.2 pg/L. Mean of iodine level in the environmental water (river, well, and lake) was relatively high (12.2 t 4.7 pgfL). Iodized oil capsule coverage was 61%, and 55% of those children received their latest capsule less than one year at the time of the study. The surveyed children had low nutritional status based on anthropometric measurement, which was shown by the -high prevalence of stunting (36%), underweight (31%), and wasting (5%). There was no association between anthropometric indices and goiter.

The three types of iodine supplementation, i.e.: iodized oil capsule, iodized salt, and iodinated water were not associated with goiter rate, while iodine level in salt - although below the recommended level - was significantly associated-with -UiE level, suggesting that efforts to -attain the universal-salt iodization should be encouraged. The relatively high iodine level in environmental water implied sufficient iodine sources in the area, therefore factors other than iodine deficiency might play an important role in the 1DD status of the surveyed population."

"ABSTRACTA study on Iodine Deficiency Disorders (IDD) and intellectual performance of the school-children has been done in Malang District, East Java, in December 1994. This study covered 11 villages within 5 sub districts, three of which have volcanic soil and two have limestone soil. Totally 544 school-children aged 8- 10 years old, from 22 public primary schools were measured. Villages selection was done with the aim to describe the overall extent and severity of IDD among school-children by using different methods of assessment. Methods of assessment were palpation, ultrasonography, urinary iodine excretion (UIE) and the serum thyroid stimulating hormone (TSH) level. Culture Fair Intelligence Test were used to assess the intelligence quotient (IQ) points. The Total Goiter Rate (TGR) for the whole survey area as indicated both by palpation and ultrasound measurement were revealed 35.7 % and 54.8 % respectively. According to WHO criteria, the survey area categorized as "Severe" (TGR >=30%) as indicated by either palpation or ultrasound measurement. In contrast, the survey area categorized as "Mild" based on both UIE and TSH level (Median UIE = 5.50 ag/dl, TSH >5 mU/l = 3.4 %) Goiter, either determined by palpation or USG, was significantly associated with IQ points of the subjects ( p < 0.001 and p < 0.01 respectively). The association between median of UIE and IQ points of the subjects were also significant (p < 0.001). TSH level was not necessarily associated with either IQ points of the subjects or another IDD indicators. It is concluded that two of the IDD indicators (goiter and UIE) were significantly associated with the level of intelligence of the school-children, which reflected the quality of life of the people. Therefore, the intervention is urgently needed. "

"ABSTRAKGAKY merupakan salah sam masalah kexeharan masyarakat di Indonesm. Gammbwyodium ada/ah Salah sam cara untuk mcnanggulangf gangguan alcibat kekuranganyodium yang dapa! mengakibatkan berbagai masalah gangguan akiba! kekuranganyodium (GAKY). Penggunaan garam beryadium adalah cara penanggulangan _vangpraklis dan ;murah. Rumah langga yang menggunakan garam beryodium di K ecamalanBojongmangu sebesar 51 %. Scdangkan target USI adalah 90 % rumah ranggamenggunakan garam beryodium. Dengan melihal adanyua kesenjangan zensebul, jzkror-_/Zzkror apa yang berhubungan dengan kandungan yodium daiam garam.Tn/uan penelitian ini adalah unruk mengetahuifaktorfaktor yang berhubzmgan dengankandungan yodium dalam garam yang digunakan oleh rumah Iangga di KecamaranBojongfnangu tahun 3007. _ __Penelilian ini mengguna/ran design cross sccrfonal. Jumlah sampe1 216 di 3 desa. Wapdesa 3 RM tiap RW 2 RT dan Hap RT 12 rcsponden. Sebagai rcsponden adalah iburumah rangga. Cara pengambilan .vampel menggunakan random. Variabel dependenadalah kandungan yodium dalam garam yang dlgunakan oleh rumah langga. Variabelindependen yang dfteiitih adalah pendidlkan. pekerjaan, pendaparan, pengelahuan ibntenrang garam bcryodium, rempat membeli, persepsi harga, lama simpan, jenis garam,wadah penyimpan, cam menyimpan dan Ierak menyimpan garam. .Pengumpulan datamengzmakan Iodine Tast, timbangan, dan kuesioner.Hasil penelirian ada/ah 16.2 % rumah tangga yang menggunakan garam beryodiumde/:gan kandungan yodium cukup berdasarkan pengetesan menggunakan Iodina Test,38,9 % kurang mengandung yodium dan 44,9 % tidak mengandung yodium. Terbanyakadalah bemuk garam bafa (85.2 %). Hasil analisis dengan menggunakan chi squarednneroleh p value < 0,05 pada variabel promosi tentang penggunaan garam be1;vodium_pengerahuan ibu tanrang garam beryodium, tempat membeli garam, jenis / bentukgaram, cara menyimpan, dan letak menyimpan garam. Kesimpulannya bahwa bentuk garam yang paling banyak digunakan di masyarakatadalah benluk garam bam. Kemungkinan Ierjadi bahwa garam bata bcvgyalc yang tidakberyodium. Masih jauh untuk mencapai target USI 90 % rumah rangga menggunakangaram beryodium. Banyalc program kegiaran yang harus dilaksanakan untuknzeningkatlcan penggunaan garam beryodium di Kecamatan Bojongmangu.

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ABSTRACTIodine Deficiency Disorders (IDD) is one of public health problems in Indonesia. IodineDeficiency Disorder can cause many health problems. One of endeavors to address thisThis effort is considered practical and in expensive. Thereare 51 % households that use iodizes salt in Bojongmangu sub district, meanwhile, it istargeted Universal Salt Iodization (USI) that 90 % of the household use iodizes salt.Based on this data therefore, it is essential to know factors that related with the saltiodine level at the household.The aims of the study are to find out the factors that relate with salt iodine level that hasbeen consumed at the liouseholds.This study used cross-sectional design. There are 2 l6 respondents in 3 villages. In eachvillage, 3 RW have been choosen. In each RW, 2 RT have been choosen and then ineach RT, 12 respondents have become the samples ofthe study. The housewives are thesamples of the study and they have been chosen randomly. The dependent variable is theiodine level at the households. The independent variables consist of education,occupation, income, knowledge about the iodize salt, place of purchase,cost perception,duration of storage, the variety of the salt, container for storage, storage technique andthe location of storage. The data collection has been done using Iodine Test, weightscale and questioner. `The results of the study reveal that 16,2 % household use iodize salt with the sufficientlevel based on iodine test, 38,9 % of them use insufficiently and 44,9 % do not useiodize salt. Most of the households (85,2 %) use brick salt. T he data analysis use chi-square, there are some variables that have p Value < 0,05, they are iodize salt promotion,knowledge of the housewives, place of purchase, the kind of salt, thc storage techniqueand place oh storage.In conclusion, the type of salt that most of the households use brick salt. Most of salt donot have iodine especially the brick salt. This facts show that in population level, thereare many households that do not use iodine salt. The target ot`USI (90%) has not beenreached, thus, the effort to promote the use of iodize salt should be encouraged inBojongmangu sub district.

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"Studi diagnostik tes garam cepat dan titrasi garam terhadap kadar yodium dalam urin sebagai upaya monitonng program penanggulangan GAKY di Indonesia merupakan ana/isis lanjut Riskesdas 2007 sebagai baseline data kesehatan d1 Indonesia. Sampel dipilih secara purposive yakni rumah tangga dari 30 kabupatenlkota yang tercakup dalam suNey sebelumnya (SGY 2003). Hasil ana/isis menunjukkan ada hubungan antara titrasi garam dengan urin intake excretion (UIE) dengan kuat hubungan 7.3% dan hubungan tersebut dapat dije/askan sebesar 0,5%. Uji Chi-square menunjukkan ada perbedaan yang signifikan kadar UIE menu rut tes garam cepat (p=O, 000), dengan peningkatan faktor resiko temadap kandungan yodium dalam urin (OR= 1, 762). Demikian juga untuk kadar UIE menurut titrasi garam yang juga menunjukkan perbedaan yang signifikan (p=0,001 ; OR=1, 740). Tes Anova menunjukkan ada perbedaan yang signifikan kadar UtE menu rut titrasi garam (p=0,019). Mean UtE dengan titrasi cukup yodium = 274,73 meg dan kurang yodium=248,38 meg; sebaliknya tes garam cepat menunjukkan tidak ada perbedaan. Penggunaan tes garam cepat maupun titrasi garam memberikan hasil signifikan temadap UtE. Tes garam cepat memiliki nilai yang /ebih sensitif daripada titrasi garam, tetapi titrasi garam memiliki angka yang lebih spesifik. Namun demikian, penggunaan tes garam cepat secara ekonomis jauh lebih murah dan mudah dibandingkan titrasi garam. Sebagai rekomendasi, tes garam cepat bemubungan dengan U/E sehingga dapat digunakan untuk prediksi kadar UIE yang lebih murah dan mudah dilakukan. Penggunaan tes garam cepat untuk penilaian kadungan yodium garam di masyarakat cukup signifikan, sensitif serta efisien dibandingkan dengan uji titrasi, sehingga dapat direkomendasikan sebagai metode yang cukup ap/ikabel dimasa yang akan datang."

"Latar Belakang: Coronavirus disease 2019 (COVID-2019) disebabkan oleh severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) dan menjadi tantangan karena menyebar luas secara cepat. Jumlah virus SARS-CoV-2 ditemukan tinggi pada awal infeksi di rongga mulut dan saluran pernapasan bagian atas. Tindakan bedah di rongga mulut memiliki potensi tinggi untuk transmisi SARS-CoV-2. American Dental Association (ADA) dan Centers for Disease Control and Prevention (CDC) merekomendasikan berkumur hidrogen peroksida 1,5% atau iodin povidon 0,2% sebelum tindakan medis. Mengurangi jumlah virus di saluran pernapasan bagian atas pada awal infeksi menurunkan keparahan perkembangan penyakit dan risiko transmisi. Nilai cycle threshold (CT) dari hasil pemeriksaan real time reverse transcription polymerase chain reaction (RT-PCR) merepresentasikan secara semikuantitatif viral load. Tujuan Penelitian: Menganalisis pengaruh berkumur iodin povidon 1% dan hidrogen peroksida 3% terhadap nilai CT RT-PCR SARS-CoV-2. Metode Penelitian: 45 subjek penelitian diambil dari pasien Rumah Sakit Umum Pusat Persahabatan yang terinfeksi SARS-CoV-2 sesuai kriteria inklusi dan ekslusi. Subjek penelitian dibagi ke dalam kelompok iodin povidon 1%, kelompok hidrogen peroksida 3%, dan kelompok kontrol. Subjek penelitian berkumur 30 detik di rongga mulut dan 30 detik di tenggorokan belakang dengan 15 ml sebanyak 3 kali sehari selama 5 hari. Analisis nilai CT dilakukan melalui pemeriksaan RT-PCR pada hari ke-1, hari ke-3, dan hari ke-5 setelah berkumur. Hasil: Didapatkan perbedaan bermakna pada hasil uji Friedman dan tampak peningkatan nilai CT RT-PCR mulai dari awal, hari ke-1, hari ke-3, dan hari ke- 5 pada keseluruhan kelompok dan masing-masing kelompok perlakuan. Hasil uji Post- Hoc dengan Wilcoxon menunjukkan perbedaan bermakna pada keseluruhan kelompok hari nilai CT RT-PCR dari keseluruhan kelompok dan kelompok iodin povidon 1%. Perbedaan bermakna sebagian besar kelompok hari nilai CT RT-PCR ditemukan dari hasil uji Post-Hoc dengan Wilcoxon pada kelompok hidrogen peroksida 3% dan kelompok kontrol, kecuali antara hari ke-1 dengan hari ke-3 dan antara hari ke-3 dengan hari ke-5 pada kelompok hidrogen peroksida 3% dan antara hari ke-3 dengan hari ke-5 pada kelompok kontrol. Peningkatan tertinggi nilai CT RT-PCR awal hingga hari ke-1 ditemukan pada kelompok hidrogen peroksida 3%, sedangkan antara hari ke-1 hingga ke-3 dan hari ke-3 hingga hari ke-5 ditemukan pada kelompok iodin povidon 1%. Usia dan jenis kelamin ditemukan tidak memiliki hubungan yang bermakna terhadap perubahan nilai CT RT-PCR. Kesimpulan: Berkumur iodin povidon 1% dan hidrogen peroksida 3% berpengaruh terhadap peningkatan nilai CT RT-PCR SARS-CoV-2. Peningkatan tertinggi nilai CT RT-PCR awal hingga hari ke-1 ditemukan pada kelompok hidrogen peroksida 3%, sedangkan antara hari ke-1 hingga ke-3 dan hari ke-3 hingga hari ke-5 ditemukan pada kelompok iodin povidon 1%.

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Background: Coronavirus disease 2019 (COVID-2019) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and poses a challenge because it can spread rapidly. The number of SARS-CoV-2 was found to be high at the beginning of infection in the oral cavity and upper respiratory tract. Surgery in the oral cavity poses high transmission risk of SARS-CoV-2. The American Dental Association (ADA) and the Centers for Disease Control and Prevention (CDC) recommend the use of mouthrinse either 1.5% hydrogen peroxide or 0.2% povidone iodine before commencing any surgical treatment. Reducing the viral load in the upper respiratory tract at the early of infection may decrease the severity of disease progression and the risk of transmission. The cycle threshold (CT) value from the real time reverse transcription polymerase chain reaction (RT-PCR) examination semi-quantitatively represents the viral load.

Objective: To analyze the effect of mouthrinsing and gargling with 1% povidone iodine and 3% hydrogen peroxide on the CT value of SARS-CoV-2.

Methods: 45 subjects were patients recruited from Persahabatan General Hospital infected with SARS-CoV-2 according to the inclusion and exclusion criteria. The subjects were divided into 1% povidone iodine group, the 3% hydrogen peroxide group, and the control group. The subjects were instructed to rinse their mouths for 30 seconds and gargle for 30 seconds at the back of the throat with 15 mL of the mouthrinse 3 times a day for 5 days. Analysis of CT values were carried out using RT-PCR on day 1, day 3 and day 5 after mouthrinsing and gargling.

Results: Significant differences were found in the results of the Friedman test, and the CT value demonstrated increases from the initial, day 1, day 3 and day 5 in the whole group and each group. The results of the Post-Hoc test with Wilcoxon showed significant differences in the whole day group of the CT value of the whole group and the 1% povidone iodine group. Significant differences in most of the day group were found from the results of the Post-Hoc test with Wilcoxon in the 3% hydrogen peroxide group and the control group, except between day 1 and day 3 and between day 3 and day 5 in the 3% hydrogen peroxide group and between day 3 and day 5 in the control group. The highest increase in the initial CT value until day 1 was found in the 3% hydrogen peroxide group, while the increase between days 1 to 3 and day 3 to day 5 was found in the 1% povidone iodine group. Age and gender showed no significant correlation with changes in CT values.

Conclusion: Mouthrinsing and gargling with 1% povidone iodine and 3% hydrogen peroxide were found to increase the CT value of SARS-CoV-2. The highest increase in the initial CT value until day 1 was found in the 3% hydrogen peroxide group, while between days 1 to 3 and day 3 to day 5 was found in the 1% povidone iodine group."

"[ABSTRAKPendahuluan. Irigasi dan debridement yang adekuat dinilai sebagai faktor yang paling menentukan dalam pencegahan infeksi pada fraktur terbuka. Povidone Iodine dan hidrogen peroksida sering digunakan sebagai adjuvant pada proses irigasi untuk membunuh mikroorganisme dan menurunkan angka infeksi. Penelitian ini bertujuan untuk menilai pengaruh povidone iodine dan hidrogen peroksida terhadap penyembuhan fraktur dan reaksi jaringan yang terjadi.Metode. Empat puluh ekor tikus Sprague Dawley jantan dialokasikan acak ke dalam kelompok perlakuan, yaitu; kelompok I (kontrol), kelompok II (povidone iodine 10%), kelompok III (povidone iodine 1%), dan kelompok IV (hidrogen peroksida 3%). Pada minggu pertama, kedua, dan kelima masing-masing dikorbankan 3 ekor tikus pada setiap kelompok. Evaluasi penyembuhan fraktur dilakukan dengan histomorfometri menggunakan program ImageJ®, variabel yang dinilai meliputi; persentase jaringan fibrosa, jaringan tulang rawan, dan jaringan penulangan pada kalus. Reaksi jaringan dinilai dari jumlah sel limfosit dan makrofag yang dinilai secara semikuantitatif. Analisis statistik dilakukan dengan uji ANCOVA dilanjutkan dengan uji post hoc Dunnett.Hasil. Persentase luas jaringan penulangan terbanyak ditemukan pada kelompok III, diikuti oleh kelompok I, kelompok IV, dan kelompok II. Persentase luas jaringan fibrosa terbanyak ditemukan pada kelompok II, diikuti oleh kelompok IV, kelompok I, dan kelompok III. Reaksi jaringan terbesar ditemukan pada kelompok II, diikuti oleh kelompok IV, kelompok III, dan kelompok I. Pada uji ANCOVA ditemukan perbedaan antar kelompok yang bermakna. Pada uji Dunnett terdapat perbedaan yang bermakna antara kelompok II dan IV terhadap kontrol.Simpulan. Povidone iodine 1% menunjukkan gangguan penyembuhan fraktur dan reaksi jaringan yang minimal.

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ABSTRACTIntroduction. Adequate irrigation and debridement are important factors to prevent infection in open fractures. Povidone iodine and hydrogen peroxide are adjuvants often used in irrigation to kill microorganisms and prevent infections. This study aims to determine the effect of povidone iodine and hydrogen peroxide on fracture healing and also reaction of host tissue to their presence.Methods. Fourty male Sprague Dawley rats were allocated randomly into group I (control), group II (10% povidone iodine), group III (1% povidone iodine), and group IV (3% hydrogen peroxide). Three rats on each group were sacrificed on the first, second, and fifth week. Evaluation of fracture healing was done by histomorphometry using ImageJ®, variables measured were; percentage of fibrous tissue, cartilage tissue, and osseous tissue in fracture callus. Reaction of host tissue was analyzed by semiquantative evaluation of lymphocytes and macrophages. Statistical analysis was performed with ANCOVA test followed by Dunnett post hoc test.Results. The highest percentage of osseous tissue was found in group III, followed by Group I, Group IV and Group II. The highest percentage of fibrous tissue was found in group II, followed by group IV, group I, and group III. The largest tissue reaction was found in group II, followed by group IV, group III, and group I. In ANCOVA test, there was significant difference found between groups. In Dunnett test, significant differences were found between group II and IV to control.Conclusion. One percent povidone iodine caused minimal impairment of fracture healing and host tissue reaction., Introduction. Adequate irrigation and debridement are important factors to prevent infection in open fractures. Povidone iodine and hydrogen peroxide are adjuvants often used in irrigation to kill microorganisms and prevent infections. This study aims to determine the effect of povidone iodine and hydrogen peroxide on fracture healing and also reaction of host tissue to their presence.Methods. Fourty male Sprague Dawley rats were allocated randomly into group I (control), group II (10% povidone iodine), group III (1% povidone iodine), and group IV (3% hydrogen peroxide). Three rats on each group were sacrificed on the first, second, and fifth week. Evaluation of fracture healing was done by histomorphometry using ImageJ®, variables measured were; percentage of fibrous tissue, cartilage tissue, and osseous tissue in fracture callus. Reaction of host tissue was analyzed by semiquantative evaluation of lymphocytes and macrophages. Statistical analysis was performed with ANCOVA test followed by Dunnett post hoc test.Results. The highest percentage of osseous tissue was found in group III, followed by Group I, Group IV and Group II. The highest percentage of fibrous tissue was found in group II, followed by group IV, group I, and group III. The largest tissue reaction was found in group II, followed by group IV, group III, and group I. In ANCOVA test, there was significant difference found between groups. In Dunnett test, significant differences were found between group II and IV to control.Conclusion. One percent povidone iodine caused minimal impairment of fracture healing and host tissue reaction.]"

"Indonesia memiliki potensi minyak jelantah yang melimpah sehingga mempunyai peluang untuk diekspor. Akan tetapi, minyak jelantah hanya memiliki bilangan iodin sekitar 50 g-I2/100g yang belum memenuhi standar ekspor yaitu bilangan iodin 70 g-I2/100g. Peningkatan Bilangan Iodin Minyak Jelantah dapat dilakukan salah satunya adalah dengan oksidatif dehidrogenasi (ODH). Pada penelitian ini digunakan Zn-K/ Al2O3 sebagai katalis untuk minyak jelantah yang juga merupakan senyawa hidrokarbon sehingga akan mengalami proses dehidrogenasi. Minyak jelantah yang dipakai adalah minyak model yang didapatkan dari penggorengan terkendali selama 1 jam. Bilangan iodin minyak jelantah sebelum dan sesudah ODH ditentukan dengan metode Wijs dan dikonfirmasi secara kualitatif menggunakan metode FTIR. Bilangan Iodin pada minyak goreng dan minyak jelantah berturut-turut adalah sebesar 60 g-I2/100g dan 58 g-I2/100g. Hasil dari terbaik pada proses ODH adalah bilangan iodin sebesar 58 g-I2/100g dengan kondisi suhu 300o C, loading katalis sebesar Zn = 12,06% dan K = 1,87%, menggunakan nitrogen dalam keadaan inert dan waktu tinggal 660 detik.

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Indonesia has abundant potential for used cooking oil, creating an opportunity for export. However, used cooking oil only has an iodine value around of 50 g-I2/100g, which does not meet the export standard of 70 g-I2/100g. Increasing the iodine value of used cooking oil can be achieved through oxidative dehydrogenation (ODH). In this study, Zn-K/Al2O3 was used as a catalyst for used cooking oil, which is also a hydrocarbon compound and therefore undergoes a dehydrogenation process. The used cooking oil utilized was a model oil obtained from controlled frying for 1 hour. The iodine value of the used cooking oil before and after ODH was determined using the Wijs method and qualitatively confirmed using the FTIR method. The iodine values of cooking oil and used cooking oil, respectively, are 60 g-I2/100g and 58 g-I2/100g. The best result from the ODH process was an iodine value of 58 g-I2/100g under conditions of 300°C, a catalyst loading of Zn = 12.06% and K = 1.87%, using nitrogen in an inert state, and a residence time of 660 seconds. "