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All Journal Journal of Food and Pharmaceutical Science PROSIDING SEMINAR NASIONAL Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) JURNAL MATHEMATIC PAEDAGOGIC CERATA Jurnal Ilmu Farmasi Journal of Herbal, Clinical and Pharmaceutical Science (HERCLIPS) Journal of Food and Pharmaceutical Sciences CERATA Scientific Contributions Oil and Gas
Hendra Budiman
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health

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Hubungan antara Kesiapan Belajar dengan Prestasi Belajar Siswa SMK Budiman, Hendra; Hamdani, Aam
Journal of Mechanical Engineering Education Vol 4, No 1 (2017): Juni
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmee.v4i1.7440

Abstract

Penelitian ini bertujuan untuk memperoleh gambaran umum tentang tingkat kesiapan belajar siswa, tingkat pencapaian prestasi belajar siswa serta untuk menguji apakah terdapat hubungan antara kesiapan belajar dengan prestasi belajar siswa pada mata pelajaran merawat sistem bahan bakar konvensional kendaraan ringan. Penelitian ini digunakan metode ex post facto dengan teknik pengumpulan data berupa teknik angket untuk kesiapan belajar siswa dan dokumentasi untuk prestasi belajar siswa kelas XI pada mata pelajaran Merawat Sistem Bahan Bakar Konvensional Kendaraan Ringan di SMKN 6 Bandung. Analisa data yang dipakai menggunakan statistik parametrik. Berdasarkan hasil penelitian yang telah dilaksanakan didapat tingkat kesiapan belajar siswa dalam kategori baik (81,11%), tingkat pencapaian prestasi belajar siswa kelas XI  dalam kategori baik (72,08%), dan hubungan antara kesiapan belajar dengan prestasi belajar siswa memiliki tingkat korelasi yang cukup tinggi (rxy  0,53). Pengujian hipotesis dalam penelitian ini ialah terdapat hubungan yang positif dan signifikan antara kesiapan belajar dengan prestasi belajar siswa pada mata pelajaran merawat sistem bahan bakar konvensional kendaraan ringan. Implikasi dari penelitian ini hendaknya guru sebelum memulai mata pelajaran merawat sistem bahan bakar konvensional kendaraan ringan bisa mengetahui dan meningkatkan faktor kesiapan belajar siswa.
ISOLASI DAN IDENTIFIKASI ALKOLOID PADA BIJI KOPI ROBUSTA (Coffea robusta Lindl. Ex De Will) DENGAN CARA KROMATOGRAFI LAPIS TIPIS Budiman, Hendra; Rahmawati, Farida; Sanjaya, Febriana
CERATA Jurnal Ilmu Farmasi Vol 1, No 1 (2010)
Publisher : CERATA Jurnal Ilmu Farmasi

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Abstract

Didalam biji kopi mengandung alkaloid yang berupa senyawa caffein. Kopi yang mempunyai kadar caffein paling tinggi adalah kopi robusta (Coffea robusta Lindl. Ex De Will).Tujuan penelitian ini adalah untuk melakukan isolasi senyawa alkaloid dari biji kopi robusta  dan identifikasi alkaloid pada biji kopi robusta secara KLT. Metode penelitian adalah penelitian observasi dengan mengisolasi dan mengidentifikasi alkaloid menggunakan kromatografi lapis tipis (KLT) dengan fase diam silica GF 254 dan fase gerak CHCl3 : etanol (96 : 4). Data dianalisis secara deskriptif dengan menggambarkan fenomena yang terjadi pada variabel setelah diberikan perlakuan. Hasil penelitian dari isolasi mempunyai rendemen rata-rata 0,32 %. organoleptis caffein adalah berbentuk amorf jarum, berwarna putih, berasa pahit dan tidak berbau. Bentuk bercak seragam dan berwarna jingga. Rf standar dan Rf sampel sama yaitu 0,4 dan memasuki range angka Rf 0,2-0,8. Kesimpulan dari hasil uji laboratorium pada penelitian menunjukkan bahwa biji kopi robusta mengandung alkaloid, dan senyawa alkaloid dapat diisolasi dan diidentifikasi dengan cara KLT.Kata kunci : robusta, KLT, rendemen, organoleptis, Rf.
PENGARUH PENURUNAN DOSIS DARI EKSTRAK ETANOL BATANG BROTOWALI (Tinospora crispa, L) TERHADAP EFEK ANTIPIRETIK PADA TIKUS PUTIH JANTAN GALUR WISTAR Agustina Styawan, Anita; Budiman, Hendra
CERATA Jurnal Ilmu Farmasi Vol 1, No 1 (2010)
Publisher : CERATA Jurnal Ilmu Farmasi

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Abstract

Ethanol extract of brotowali stem (Tinospora crispa, L) contain 0,5% weight/volume had the same dosage as 0,1 g/kg body weight has the antipiretic effect. This research aimed to know about decrease dosage from ethanol extract of brotowali stem have the antipiretic effect and how the antipiretic potency compared with paracetamol to get effective dosage as antipiretic.Animal research used male albino rats strain Wistar by weight was 160-180 gram, age 2-3 months with sum 25 rats, which were devided into five groups of randomly, each group consist of 5 rats. The first group was used as an negative control given by aquadest 2 ml / 100 g body weight; 12,6 mg / 200 g body weight paracetamol was used as positive control in second group. Whereas the 3rd, 4th, and 5th group was given by ethanol extract brotowali stem containing 0,125%; 0,25%; and 0,5% weight/volume which had the same dosage as 0,025 g/kg body weight; 0,05 g/kg body weight; and 0,1 g/kg body weight. Infra red thermometer was used to measure rats temperature between the two side two legs of rats. Before the experiment, the first temperature of each rats was measured. DPT (Difteri Pertusis and Tetanus) vaccine 0,4 ml by subcutan injection were given to the fever rats. Two hours latter, the rats was treated by ethanol extract brotowali stem. The measurement of temperature rat body is conducted in every 15 minutes during 240 minutes. AUC (Area Under the Curve) was counted from temperature then statistically analized by test of homogeneity of variances and test of normaly distribution with Kolmogorov-Smirnov test then statistically analized ANAVA (analysis variances) and Tukey t test with confidence 95%.The result of this research is showing ethanol extract brotowali stem containing 0,5% weight/volume had same dosage as 0,1 g/kg body weight and 0,25% weight/volume had same dosage as 0,05 g/kg body weight have the antipiretic effect dan go down to ability more small than paracetamol. While ethanol extract brotowali stem contain 0,125% weight/volume had same dosage as 0,025 g/kg body weight haven’t the antipiretic effect. Key word : Antipiretic, brotowali stem, male albino rats strain Wistar.
PENGARUH PEMBERIAN CAMPURAN BEE POLLEN, RIMPANG KENCUR, KUNYIT, BIJI PINANG DAN KAYU MANIS TERHADAP KADAR GULA DARAH PADA TIKUS WISTAR PASCA PAPARAN STREPTOZOTOCIN Sunyoto -; Zaifudin Zukhri; Sutaryono -; Hendra Budiman
PROSIDING SEMINAR NASIONAL & INTERNASIONAL 2015: Prosiding Bidang MIPA dan Kesehatan The 2nd University Research Colloquium
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Sumber tananam di Indonesia melimpah ruah, banyak tananam obat yang bermanfaat bagi kesehatan manusia. Sebagai contoh campuran bee pollen, rimpang kencur, kunyit, biji pinang dan kayu manis dapat diperuntukan untuk mengobati diabetes mellitus. Campuran ini merupakan alternatif penggunaan obat kimia yang mahal, sulit dicari, efek sampingnya dalam jangka panjang yang merugikan pasien (tidak aman). Penelitian ini dilakukan dengan tikus yang diinduksi intraperitonial dengan streptozotocin supaya DM, kemudian diterapi dengan campuran untuk menurunkan KGD. Tikus sebanyak 36 ekor dibagi menjadi PI (tikus DM diterapi dengan campran 200mg/200g BB), PII (tikus DM diterapi campuran 250mg/200g BB), PIII (tikus DM diterapi dengan campuran 300mg/200g BB), PIV sebagai control (+) (tikus DM diterapi metforrmin 9mg/200g BB), PV sebagai control (-) (tikus DM diberi aqua 2ml/200g BB) dan PVI sebagai kontro (-) (tikus tidak DM diberi aqua 2ml/200g BB). Hasil penelitian ini tikus DM yang diterapi selama 14 hari PI, PII PIII dan PIV mengalami penurunan. Kesimpulan menunjukkan penurunan KGD (mean -) yang diterapi dengan campura PI, PII, PIII > KGD diberi metformin (PIV).
PENGARUH KOMPETENSI DAN KEPEMIMPINAN TERHADAP KINERJA PEGAWAI KANTOR CAMAT LUBUK DALAM KABUPATEN SIAK Hendra Budiman; Sri Indarti; Kurniawaty Fitri
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi Vol 1, No 2 (2014): wisuda oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Ilmu Ekonomi

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Abstract

This research was conducted at the Kantor Camat Lubuk Dalam KabupatenSiak. The samples in this study were as many as 33 employees Kantor Camat Lubuk Dalam Kabupaten Siak and entirely sampled so this is a research study census. The purpose of this study was to determine the effect of partial and simultaneous competence and leadership to employee performance in Kantor Camat Lubuk Dalam Kabupaten Siak. Based on the results of the study showed that the competence variable (X1) partially affect the performance, leadership variable (X2) partially no effect on performance and competence variables (X1) and the leadership variable (X2) simultaneously affect the performance of employees at Kantor Camat Lubuk Dalam Kabupaten Siak. The suggestion is to employees in order to increase its competence in a way more confidence and always implement systematic steps to solve a problem that occurs on the job. And are expected to maintain an attitude of leadership that leadership in a way more attention to his subordinates and show friendly attitude that strengthen social relationships between leaders and subordinates. Also expected leaders to constantly improve performance employees at Kantor Camat Lubuk Dalam Kabupaten Siak by supporting subordinates in improving the quality of work.Keywords : Competence, Leadership, Performance.
PENGEMBANGAN PERANGKAT PEMBELAJARAN DENGAN MODEL PBL UNTUK MENINGKATKAN LITERASI MATEMATIS Budiman, Hendra; Firmansyah, Firmansyah
JURNAL MATHEMATIC PAEDAGOGIC Vol 8, No 2 (2024): Maret 2024
Publisher : Universitas Asahan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36294/jmp.v8i2.3889

Abstract

This research aims to 1) To analyze the effectiveness of student worksheets and PISA-based test instruments on the developed PBL model, (2) To analyze the effectiveness of student worksheets and PISA-based test instruments on the developed PBL model. In this research, what will be developed is a PISA-based learning tool and test instrument to improve students' mathematical literacy using the ADDIE (Analysis, Design, Development, Implementation and Evaluation) development model developed by Dick and Carry (1996). The learning tools that will be developed are the Learning Implementation Plan (RPP), Student Worksheets (LKPD) and Evaluation Instruments or Mathematical Literacy Ability Tests. This research was conducted at SMP Negeri 4 Pasir Limau Kapas which is located at Jalan Dua Desa, Teluk Pulai Village, Pasir Limau Kapas District, Rokan Hilir Regency. The results of this research produce products in the form of e-module teaching materials based on problem solving or Problem Based Learning. Based on the results of this research, it can be concluded that the learning tools developed are included in the valid and practical category and the resulting PISA-based learning tools are effectively used in improving students' mathematical literacy skills. This can be seen from the percentage of student learning completeness which exceeds 85%.Keywords: Development, Learning Tools, PISA Based Test Instruments, Problem Based Learning (PBL), Mathematical Literacy
Analisis Kadar Kafein Pada Biji Kopi Arabika (Coffea arabica L.) Varietas Lini S dari Perkebunan Kopi Banaran Dengan Metode Titrasi Bebas Air Wahyu Anasari; Anita Agustina Styawan; Mustofa, Hana; Muchson Arrosyid; Hendra Budiman
CERATA Jurnal Ilmu Farmasi Vol 15 No 1 (2024): Cerata Jurnal Ilmu Farmasi
Publisher : Universitas Muhammadiyah Klaten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61902/cerata.v15i1.1068

Abstract

Kopi arabika (Coffea arabica L.) Lini S merupakan salah satu yang paling populer di kawasan Asia Pasifik, khususnya di Indonesia. Biji kopi mengandung senyawa fenolik, asam klorogenat dan kafein. Kafein berkhasiat secara klinis menstimulasi susunan saraf pusat dengan menghilangkan rasa lelah, lapar dan kantuk. Tujuan penelitiam ini adalah untuk mengetahui kadar kafein dalam biji kopi arabika (Coffea arabica L.) varietas Lini S.Penelitian ini menggunakan cara observasional. Sampel yang digunakan sebanyak 300 gram serbuk kopi arabika (Coffea arabica L.) varietas Lini S dari perkebunan kopi Banaran. Ekstraksi dilakukan dengan metode refluks, kemudian diuji secara kualitatif menggunakan reaksi parry serta untuk mendapatkan konsentrasi kafein dengan cara Titrasi Bebas Air. Hasil uji kualitatif menggunakan reaksi parry yang positif kafein ditandai dengan warna hijau. Hasil uji kuantitatif dengan 3 kali replikasi diperoleh rata-rata kadar kafein pada biji kopi arabika sebesar 142,90 mg. Kadar kafein pada biji kopi arabika baik dikonsumsi untuk kesehatan karena nilai kadar tidak melebihi standar SNI yaitu 150 mg/hari.
Penetapan Kadar Flavonoid Total Ekstrak Etanol Buah Belimbing Wuluh (Averrhoa Bilimbi L.) Dengan Metode Spektrofotometri Uv-Vis Choiril Hana Mustofa; Anita Agustina Styawan; Muchson Arrosyid; Hendra Budiman; Anna Latifah
CERATA Jurnal Ilmu Farmasi Vol 15 No 2 (2024): Cerata Jurnal Ilmu Farmasi
Publisher : Universitas Muhammadiyah Klaten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61902/cerata.v15i2.1394

Abstract

Star fruit is a fruit that has been cultivated for a long time by Indonesian people. Star fruit plants consist of two types. Sweet starfruit and sour starfruit or wuluh, starfruit can be used as an anti-inflammatory and antioxidant. So further research needs to be carried out on testing the flavonoid content of ethanol extract of star fruit (Averrhoa bilimbi L.) using the UV-Vis spectrophotometric method. So that the potential for developing this plant as a medicinal ingredient for the prevention and treatment of various diseases can be increased. The aim of this study was to determine the levels of flavonoids in star fruit. This study used a sample of 3 kg of star fruit. Extraction using the maceration method with 96% ethanol solvent. Then analyzed qualitatively and quantitatively. The results of the research showed that the qualitative test with color reagents showed positive results of a brownish yellow color, there were flavonoid compounds in the star fruit, while the results of the quantitative test with UV- Vis spectophotometry showed levels of flavonoid compounds with an average of 0.4384% w/w or 4,384 mg/kg.
Uji Aktivitas Antibakteri Deodorant Spray Tea Tree Oil (Melaleuca alternifolia) Terhadap Staphylococcus aureus Hidayati, Nurul; Budiman, Hendra; Sarmini, Sarmini
Journal of Herbal, Clinical and Pharmaceutical Science (HERCLIPS) Vol 6 No 01 (2024): HERCLIPS VOL 06 NO 01
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/herclips.v6i01.8244

Abstract

Deodorant spray adalah produk kosmetik yang digunakan untuk menyerap keringat, manutup bau badan, dan mengurangi bau badan. Deodorant yang beredar dan digunakan masyarakat sebagian besar berbahan dasar sintesis. Penggunaan deodorant berbahan sintesis secara terus-menerus berdampak buruk bagi tubuh. Solusinya adalah dengan mengembangkan formulasi deodorant spray dengan zat aktif alami. Tea tree oil efektif sebagai antibakteri, yang dapat mengendalikan bau ketiak. Tujuan penelitian ini adalah untuk mengetahui aktivitas antibakteri deodorant spray terhadap Staphylococcus aureus dan formula dengan konsentrasi tea tree oil yang dapat menghambat paling kuat. Metode penelitian ini eksperimental laboratorium. Formula deodorant menggunakan variasi konsentrasi tea tree oil yaitu 2% (F1), 3% (FII), dan 5% (FIII). Sediaan kemudian dilakukan evaluasi organoleptis, homogenitas, pH, viskositas, daya sebar, daya lekat, kejernihan, dan uji aktivitas antibakteri. Hasil penelitian menunjukkan ketiga formula dapat menghambat Staphylococcus aureus, dibuktikan dengan adanya zona hambat. Formula terbaik deodorant spray yaitu F3 dengan konsentrasi tea tree oil 5% dengan zona hambat paling kuat yaitu 24, 6 mm.
Comparison of Vitamin B1 (Thiamin hydrochloride) Level in Brown Rice (Oryza nivara S.D.Sharma & Shastry) and Cooked Brown Rice by Alkalimetry Methods Emerita Dyah Ayu Purwita Sari; Hendra Budiman; Anita Agustina Styawan; Choiril Hana Mustofa
Journal of Food and Pharmaceutical Sciences Vol 13, No 1 (2025): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.17037

Abstract

Brown rice (Oryza nivara S.D.Sharma & Shastry) is a rice variety that belongs to the Graminae family. Brown rice contains vitamins A, B, C, Zn and B complex. Vitamin B1 is one type of vitamin that is not stable. Its stability is influenced by pH, temperature and processing. The purpose of this study was to determine the comparison of vitamin B1 levels in brown rice and cooked brown rice. The study began with a qualitative test of vitamin B1 using 10% Pb acetate and 6 N NaOH if a yellow color and brown precipitate formed after heating, the sample was positive for vitamin B1. Determination of vitamin B1 levels in brown rice and cooked brown rice by alkalimetric method using NaOH as a titer that has been standardized in advance with potassium biftalat 0.1 N. Data analysis using the Mann Whitney test is an alternative to the Independent T-test if the t-test requirements are not met. The Mann Whitney test is used to determine whether or not there is a difference between two independent samples. The results of the qualitative test of vitamin B1 in brown rice and cooked brown rice showed that the samples were positive for vitamin B1. The quantitative test results of vitamin B1 levels in brown rice and cooked brown rice obtained an average of 12.40 mg / kg and 4.96 mg / kg. Statistical test results, the significance value (p) = 0.043, where p < 0.05 means there is a significant difference in vitamin B1 levels in brown rice and cooked brown rice. The conclusion of this study is that vitamin B1 levels in brown rice are higher than vitamin B1 levels in cooked brown rice.
Co-Authors Aam Hamdani, Aam Agustina Styawan, Anita Anna Latifah Choiril Hana Mustofa Choiril Hana Mustofa Emerita Dyah Ayu Purwita Sari Farida Rahmawati Firmansyah Firmansyah Hasan, Meutia Fitri Kurniawaty Fitri Mohd Wirawan Putra Pamungkas Muchson Arrosyid Mustofa, Hana Nurul Hidayati Sanjaya, Febriana Sarmini Sarmini Setiawan, Aldo Sri Indarti Sunyoto - Sutaryono - Venty Lestari Wahyu Anasari Zaifudin Zukhri