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All Journal Menara Perkebunan Jurnal Ekonomi Manajemen Sistem Informasi Jurnal Ilmiah Ekonomi dan Manajemen
Evi SAVITRI
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Effect of Tithonia diversifolia extract on the biodegradability of the bioplastics in plantation soil (Pengaruh ekstrak Tithonia diversifolia terhadap biodegradabilitas bioplastik di tanah perkebunan) . ISROI; Nendyo A WIBOWO; Evi SAVITRI; Deden D ERIS; Agus PURWANTARA
E-Journal Menara Perkebunan Vol 86, No 2 (2018): Oktober 2018
Publisher : INDONESIAN RESEARCH INSTITUTE FOR BIOTECHNOLOGY AND BIOINDUSTRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.503 KB) | DOI: 10.22302/iribb.jur.mp.v86i2.293

Abstract

Effect of Tithonia diversifoliaextract on biodegradability of the bioplastic was evaluated using plantation soil as natural inoculum. The bioplastic was a composite of cellulose from cacao pod husk, starch and enriched by tithoniaextract. Biodegradation test wasereconducted in the glass jar for 60 days. The carbon dioxide generated from the biodegradation test titrated by 0.1 N sodium hydroxide solutions. The carbon dioxide was measured with 0.1 N HCl and using phenolphthalein followed by methyl orange as indicator. Carbon dioxide was detected in the bioplastic samples but not detected in the conventional plastic sample during the test. Biodegradation of the bioplastic enriched by tithoniaextract was higher than  that of the bioplastic without tithoniaextract. Biodegra-dation rate of the bioplastic samples in plantation soil were 0.068 mg CO2/day and 0.178 mg CO2/day for the bioplastic without and with tithoniaextract, respectively. Biodegradation of the bioplastic samples for 45 days were 12.44% and 28.07% for the bioplastic without and with tithoniaextract, respectively. Complete biodegradation of the bioplastic predicted in 244 days and 200 days for the bioplastic without and with tithoniaextract, respectively. [Kata kunci :Tithonia diversifolia, biodegrada-bility, bioplastic, plantation soil]. AbstrakPengaruh ekstrak Tithonia diversifoliaterhadap biodegradabilitas bioplastik dievaluasi dengan menggunakan tanah perkebunan sebagai inokulum alami. Bioplastik yang digunakan adalah komposit selulosa dari kulit buah kakao, pati dan diperkaya dengan ekstrak tithonia. Uji biodegra-dasi dilakukan di dalam botol selama 60 hari. Karbon dioksida yang dihasilkan dari uji biodegradasi diserap oleh larutan natrium hidroksida 0,1 N. Karbon dioksida dititrasi dengan HCl 0,1 N dan menggunakan fenolftalein diikuti dengan metil jingga sebagai indikator. Karbon dioksida terdeteksi pada sampel bioplastik namun tidak terdeteksi pada sampel plastik konvensional.Bioplastik yang diperkaya dengan ekstrak tithonia menghasilkan tingkat biodegradasi yang lebih tinggi dari pada bioplastik tanpa ekstrak tithonia. Tingkat biodegradasi sampel bioplastik di tanah perkebunan adalah 0,068 mg CO2/hari dan0,188 mg CO2/hari masing-masing untuk bioplastik tanpa dan dengan ekstrak tithonia. Biodegradasi sampel bioplastik selama 45 hari adalah 12,44% dan 28,07%berturut-turutuntuk bioplastik tanpa dan dengan ekstrak tithonia. Biodegradasi keseluruhan bioplastik diperkirakan membutuh-kan waktu 244 hari dan 200 harimasing-masinguntuk bioplastik tanpa dan dengan ekstrak tithonia.[Keywords:Tithonia diversifolia, biodegradaibi-litas, bioplastik, tanah perkebunan].
Penerapan Sistem Pemerintahan Berbasis Elektronik (SPBE) di Lingkungan Kementrian Agama AMH Marasabessy; Evi Savitri; Febri Yanto; R. Eka Nugraha; Faria Ruhana
Jurnal Ekonomi Manajemen Sistem Informasi Vol. 6 No. 5 (2025): Jurnal Ekonomi Manajemen Sistem Informasi (Mei - Juni 2025)
Publisher : Dinasti Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jemsi.v6i5.5032

Abstract

Pemerintah Indonesia mengembangkan Sistem Pemerintahan Berbasis Elektronik (SPBE) sebagai langkah untuk meningkatkan efisiensi, transparansi, dan akuntabilitas dalam birokrasi melalui pemanfaatan teknologi informasi. Kementerian Agama, sebagai salah satu lembaga strategis, turut melaksanakan SPBE guna mendukung reformasi birokrasi serta memperbaiki mutu layanan publik. Penelitian ini bertujuan untuk menganalisis strategi implementasi SPBE di lingkungan Kementerian Agama, tantangan yang muncul dalam pelaksanaannya, serta pengaruhnya terhadap kinerja dan pelayanan publik. Penelitian ini menggunakan pendekatan kualitatif dengan metode studi kasus. Pengumpulan data dilakukan melalui wawancara, observasi, dan studi dokumen. Temuan penelitian mengungkapkan bahwa pelaksanaan SPBE di Kementerian Agama telah mencakup sistem perencanaan, layanan publik digital, serta integrasi data dan aplikasi. Namun, hambatan masih dijumpai pada aspek sumber daya manusia, infrastruktur, dan koordinasi antarunit kerja. Kendati demikian, SPBE telah memberikan dampak positif berupa peningkatan akses layanan, percepatan proses administrasi, serta penguatan transparansi.
Effect of Tithonia diversifolia extract on the biodegradability of the bioplastics in plantation soil (Pengaruh ekstrak Tithonia diversifolia terhadap biodegradabilitas bioplastik di tanah perkebunan) . ISROI; Nendyo A WIBOWO; Evi SAVITRI; Deden D ERIS; Agus PURWANTARA
Menara Perkebunan Vol. 86 No. 2 (2018): 86 (2), 2018
Publisher : INDONESIAN OIL PALM RESEARCH INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iribb.jur.mp.v86i2.293

Abstract

Effect of Tithonia diversifoliaextract on biodegradability of the bioplastic was evaluated using plantation soil as natural inoculum. The bioplastic was a composite of cellulose from cacao pod husk, starch and enriched by tithoniaextract. Biodegradation test wasereconducted in the glass jar for 60 days. The carbon dioxide generated from the biodegradation test titrated by 0.1 N sodium hydroxide solutions. The carbon dioxide was measured with 0.1 N HCl and using phenolphthalein followed by methyl orange as indicator. Carbon dioxide was detected in the bioplastic samples but not detected in the conventional plastic sample during the test. Biodegradation of the bioplastic enriched by tithoniaextract was higher than  that of the bioplastic without tithoniaextract. Biodegra-dation rate of the bioplastic samples in plantation soil were 0.068 mg CO2/day and 0.178 mg CO2/day for the bioplastic without and with tithoniaextract, respectively. Biodegradation of the bioplastic samples for 45 days were 12.44% and 28.07% for the bioplastic without and with tithoniaextract, respectively. Complete biodegradation of the bioplastic predicted in 244 days and 200 days for the bioplastic without and with tithoniaextract, respectively. [Kata kunci :Tithonia diversifolia, biodegrada-bility, bioplastic, plantation soil]. AbstrakPengaruh ekstrak Tithonia diversifoliaterhadap biodegradabilitas bioplastik dievaluasi dengan menggunakan tanah perkebunan sebagai inokulum alami. Bioplastik yang digunakan adalah komposit selulosa dari kulit buah kakao, pati dan diperkaya dengan ekstrak tithonia. Uji biodegra-dasi dilakukan di dalam botol selama 60 hari. Karbon dioksida yang dihasilkan dari uji biodegradasi diserap oleh larutan natrium hidroksida 0,1 N. Karbon dioksida dititrasi dengan HCl 0,1 N dan menggunakan fenolftalein diikuti dengan metil jingga sebagai indikator. Karbon dioksida terdeteksi pada sampel bioplastik namun tidak terdeteksi pada sampel plastik konvensional.Bioplastik yang diperkaya dengan ekstrak tithonia menghasilkan tingkat biodegradasi yang lebih tinggi dari pada bioplastik tanpa ekstrak tithonia. Tingkat biodegradasi sampel bioplastik di tanah perkebunan adalah 0,068 mg CO2/hari dan0,188 mg CO2/hari masing-masing untuk bioplastik tanpa dan dengan ekstrak tithonia. Biodegradasi sampel bioplastik selama 45 hari adalah 12,44% dan 28,07%berturut-turutuntuk bioplastik tanpa dan dengan ekstrak tithonia. Biodegradasi keseluruhan bioplastik diperkirakan membutuh-kan waktu 244 hari dan 200 harimasing-masinguntuk bioplastik tanpa dan dengan ekstrak tithonia.[Keywords:Tithonia diversifolia, biodegradaibi-litas, bioplastik, tanah perkebunan].
PENGARUH GAYA KEPEMIMPINAN DAN LINGKUNGAN KERJA TERHADAP KINERJA KARYAWAN DI RESTORAN SAUNG REMPAH SERPONG TANGERANG SELATAN Evi Savitri; Eko Sudarso
JURNAL ILMIAH EKONOMI DAN MANAJEMEN Vol. 4 No. 1 (2026): Januari
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jiem.v4i1.8528

Abstract

The purpose of this study was to determine the influence of leadership style and work environment on employee performance at Saung Rempah Restaurant, Serpong, South Tangerang. The research method used was quantitative. The sampling technique used saturated sampling and obtained a sample of 32 respondents. Data analysis used validity test, reliability test, normality test, multicollinearity test, heteroscedasticity test, autocorrelation test, simple linear regression test, and multiple linear regression test, correlation coefficient analysis, determination coefficient test, partial hypothesis test (t test), and simultaneous hypothesis test (f test). The results of this study are a positive and significant influence of leadership style (X1) on employee performance with a Pearson Correlation value of 0.796 which is classified as a strong category. And the work environment (X2) has a significant influence on employee performance with a Pearson Correlation value of 0.878 which is classified as a very strong category. And the results of the multiple correlation coefficient of leadership style (X1) and work environment (X2) on employee performance (Y) by showing an R square value of 0.849, has a very strong relationship level of 0.849. The influence of leadership style (X1) on employee performance has a significant effect on employee performance of 74.6% while the remaining 25.4% is influenced by other factors, the influence of work environment (X2) on employee performance is 60.5% while the remaining 30.5% is influenced by other factors, the influence of leadership style (X1) and work environment (X2) on employee performance (Y) is 72% while the remaining 28% is influenced by other factors. With the hypothesis test, the calculated t value is obtained > t table value or (2.576)> t table 2.04523). The work environment has a significant effect on employee performance and the hypothesis test obtained the calculated t value> t table value or (3.718) < t table 2.04523). Leadership style (X1) and work environment (X2). Hypothesis testing obtained a calculated F value > F table or (37.338 > 3.33).
Co-Authors . ISROI Agus PURWANTARA AMH Marasabessy Deden D ERIS Eko Sudarso Faria Ruhana Febri Yanto Nendyo A WIBOWO R. Eka Nugraha