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All Journal Jurnal Penelitian Pascapanen Pertanian Jurnal Teknologi Pangan dan Hasil Pertanian Jurnal Teknologi & Industri Hasil Pertanian Madaniya Jurnal Litbang Provinsi Jawa Tengah Jakadimas
BAMBANG KUNARTO
Universitas Semarang
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Public Health Social Sciences

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PEMBUATAN MIKROKAPSUL MINYAK ATSIRI KULIT KAYU MANIS (Cinnamomun burmanii Bl.) MENGGUNAKAN KOMBINASI GUM ARAB-MALTODEKSTRIN SEBAGAI ENKAPSULAN BAMBANG KUNARTO
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 3 No 3 (2005): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v3i3.239

Abstract

Cinnamon bark (Cinnamumun burmanii Bl.) is a potential source of flavour, antioxidant and anti fungus in food. Microencapsulation of cinnamon bark oil is to make easier application in food. Microencapsulation is a technology of packaging a solid. liquid or gaseous material in miniature, sealed capsules, that can release their content at such control ling rates under specific conditions. The aim of this research was to seek the best formula of cinnamon bark oil microcapsule. with incomparable combination of arabic gum-maltodextrin as encapsulant. The research experiment arranged in completely randomized design with three replications. The treatments were Fl (one parts of cinnamon bark oil and five parts ofarabic gum and rnaltodextrin ( I 00:0)), F2 (one parts of cinnamon bark oil and five part of arabic gum and maltodextrin (75:25)), F3 (one parts of cinna mon bark oil and five part of arabic gum and maltodextrin (50: 50)), F4 (one parts of cinnamon bark oil and five part ofarabic gum and rnaltodextrin (25:75)) and F5 (one parts of cinnamon bark oil and five part of arabic gum and rnaltodexrrin (0: 100)). The result showed that one part of cinnamon bark oil and five part ofarabic gum and maltodextrin (50:50) had given the best rendement (74.546%). While cinnamon bark oil in capsule 93,89%, cinnamon bark oil in capsule surface 6, l 0%, water content 7,0 I%, wettabiliy I 0, 13 mn and angle of repose 46,530
KARAKTERISTIK CAIRAN BIANG YANG DIBUAT DARI CHIPS UBI KAYU, PARUTAN UBI KAYU DAN LIMBAH CAIR TAPIOKA Sri Budi Wahjungsih; Bambang Kunarto
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 10 No 2 (2012): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v10i2.333

Abstract

The process of mokal flour naturally still takes a relatively long time because the fermentation process lasts for 3 days. Therefore necessary to find a more effective and efficient solution to shorten the fermentation process. This study aimed to investigate the characteristics of the inoculum liquids based on some sources namely cassava chips liquid, cassava crushed liquid and tapioca liquid waste can accelerate fermentation mokal. The design of experiments using a completely randomized design (CRD) one factor, with 3 kinds of inoculum liquid sources as treatmants and 3 replicatations. The treatment sources are made from Markonah cassava variety, that named with cassava chips liquids (B1) cassava crused liquid (B2) and tapioca liquid waste. Duncan multiple range test (5%) used to compare the different of treatmen. The results showed the liquid source can be obtained from three sources, with good characteristics and the used of inoculm liquids on mokal fermentation process can accelerate the fermentation process from 3 days to 24 hours. The inoculum liquid can be saved on room temperature for 4 days and cold storage for 6 days
PENDUGAAN UMUR SIMPAN EKSTRAK KERING BEKU BIJI MELINJO KERIKIL (GNETUM GNEMON L. “KERIKIL”) BERDASARKAN KADAR SENYAWA RESVERATROL DAN AKTIVITAS ANTIOKSIDAN bambang kunarto; nFN Sutardi; nFN Supriyanto; Chairil Anwar
Jurnal Penelitian Pascapanen Pertanian Vol 16, No 2 (2019): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v16n2.2019.73-79

Abstract

Biji melinjo kerikil mengandung resveratrol yang merupakan senyawa turunan stilbenoid dan mempunyai aktivitas antioksidan. Selama penyimpanan, senyawa resveratol dapat mengalami perubahan berupa oksidasi dan degradasi yang berdampak pada aktivitas antioksidannya. Penelitian ini bertujuan menduga umur simpan ekstrak kering beku biji melinjo kerikil berdasarkan kadar resveratrol dan aktivitas antioksidan (penghambatan radikal DPPH) sebagai indikator kerusakan. Pendugaan umur simapn dilakukan dengan metoda accelerated shelf life test (ASLT). Metoda ini didasarkan pada penyimpanan pada kondisi yang direkayasa sehingga mempercepat yang terjadinya kerusakan. Penyimpanan dilakukan selama 35 hari pada suhu simpan 35°C, 45°C adn 55°C. Hasil penelitian ini menunjukkan bahwa parameter mutu kritis pada penyimpanan ekstrak kering beku melinjo kerikil adalah aktivitas antioksidan (penghambatan radikal DPPH) karena memiliki energi aktivasi (1301,09 kal/mol) yang lebih rendah dibandingkan energi aktivasi kadar senyawa recveratrol. Umur simpan ekstrak keirng beku biji melinjo kerikil pada penyimpanan 35; 45; 55 dan 28°C berturut-turut adalah 13,57 hari, 12,67 hari, 11,83 hari dan 14,56 hari. Shelf life estimation of melinjo kerikil seeds freeze-dried extract based on resveratrol and antioxidant activityMelinjo kerikil seeds contain resveratrol which is a stilbenoid derivative compound and has antioxidant activity. During storage, resveratrol can be dagraded which have an impact on their antioxidant activity. The aim of this study wa to estimate teh shelf life of melinjo kerikil seed freeze-dried extract based on resveratrol content and inhibition of DPPH radicals as an indicator of damage. Estimation of shelf life is carried out by the accelerated shelf life test (ASLT). This method is based on storage in conditions that are engineered so as to speed up the occurrence of damage. Storage is carried out for 35 days at the temperature of 35°C, 45°C, and 55°C. The results showed that the critical quality parameter in the storage of melinjo kerikil seed freeze-dried extracs was inhibition of DPPH radicals. This is because the activation energy of inhibition of DPPH radicals is lower than the revertrol activation energy. The Shelf life of melinjo kerikil seed freeze-dried extract at storage 35; 45; 55 and 28°C respectively were 13.57 days, 12.67 days, 11.83 days and 14.56 days. 
PENGARUH KONSENTRASI MALTODEKSTRIN TERHADAP KARAKTERISKTIK FISIKOKIMIA SERBUK EKSTRAK BUAH PARIJOTO (Medinilla speciosa Blume) Maslikhatul Ummah; Bambang Kunarto; Ery Pratiwi
Jurnal Teknologi Pangan dan Hasil Pertanian Vol 16, No 1 (2021): Februari
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v16i1.4402

Abstract

The purpose of this research is to know the effect of increasing the concentration of maltodextrin on the physicochemical characteristics of parijoto fruit (Medinilla speciosa Blume) extract powder by analyzing yield, solubility, color intensity, air content, and anthocyanin content. The experimental design used in this study was a Completely Randomized Design (CRD) with one factor and 3 replications. The studied factors were the concentration of maltodextrin in making powder from parijoto fruit extract which consisted of 6 treatments, they are: 5%, 10%, 15%, 20%, 25%, and 30%. If there is a significant difference between treatments, further testing is carried out with the Duncan test at 5% level. The results showed that the addition of maltodextrin had a significant effect on all parameters of parijoto fruit extract powder. The best anthocyanin powder from parijoto fruit extract was the concentration of maltodextrin 10%, anthocyanin content 2.68 ppm, yield 12.48%, solubility 79.96%, water content 4.22%, lightening level (L*) 55.05, redness level (a*) 18.10, and yellowness level (b*) 16.64.
Karakteristik fisikokimia tepung rebung terfermentasi dan pati rebung terfermentasi dari bambu ampel kuning (bambusa vulgaris schrad var. striata) serta potensinya sebagai pengental [Physicochemical characteristics of fermented bamboo shoot flour and fermented bamboo shoot starch from yellow ampel bamboo (Bambusa vulgaris schrad var. striata) and their potential as thickeners] Rohadi Rohadi; Adi Sampurno; Bambang Kunarto
Jurnal Teknologi & Industri Hasil Pertanian Vol 27, No 2 (2022): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v27i2.90-98

Abstract

This study aimed to characterize the physical and chemical properties of fermented bamboo shoot flour (TRF) and fermented bamboo shoot starch (PRF) and to test their potential as thickeners. The research was carried out in 4 stages: sample authentication, TRF preparation and characterization, PRF preparation and characterization, and PRF gelling testing at various pH. The results showed that TRF contained 23.92±0.33% insoluble fiber, 6.03±0.10% cellulose, 1.85±0.01% hemicellulose, 15.87±0.10% lignin, and soluble fiber. 2.91±0.03%. PRF had a density of 707 kg/m3, slightly dull color, and reddish brown. TRF cannot be used as a thickener due to it does not form a stable suspension and does not form a gel when heated, but it has potential as an animal feed with a value of acid detergent fiber (ADF) 22.18 and neutral detergent fiber (NDF) 2. 40. Meanwhile, PRF-tapioca has potential as a thickening agent because it formed a stable suspension and formed a gel when heated. Adding 0.5-2.5% PRF to 1%, tapioca suspension produced a gel viscosity of 6.4 – 8.5 cP., similar to 3 g/25 mL modified cassava flour gel formation. 
Penyuluhan Pemanfaatan Tepung dan Pewarna Alami Bunga Pisang Untuk Siswa Jurusan Agribisnis Tanaman Pangan dan Hortikultura SMKN 3 Salatiga Rohadi Rohadi; Anisa Rachma Sari; Bambang Kunarto
Madaniya Vol. 4 No. 3 (2023)
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/27214834.492

Abstract

Kurikulum Sekolah Menengah Kejuruan (SMK) Negeri 3 Salatiga didesain untuk mempersiapkan siswa Jurusan Agribisnis Tanaman Pangan dan Hortikultura (APHP) sebagai tenaga menengah bidang pembudidayaan tanaman hias, tanaman semusim dan tanaman pangan. Namun demikian siswa kurang mendapatkan teori dan praktik pasca panen dan pengolahan buah pisang. Oleh sebab itu tim pengabdian kepada masyarakat (PKM) Jurusan Teknologi Hasil Pertanian Universitas Semarang bermaksud memberikan penyuluhan pasca panen, pemanfaatan tepung dan pewarna alami bunga pisang pada pembuatan kue kering dan brownies kepada siswa Jurusan APHP. Kegiatan PKM bertujuan untuk meningkatkan pengetahuan dan keterampilan siswa pada bidang pasca panen dan pengolahan buah pisang. Pelaksanaan PKM digunakan metode ceramah dan diskusi serta praktik. Kegiatan diikuti oleh 67 siswa dari 2 rombel. Hasil PKM menunjukkan ada peningkatan pengetahuan siswa secara nyata pada bidang pasca panen dan pengolahan buah pisang, namun penyuluhan kurang efektif untuk transfer pengetahuan. Hasil uji-t dara pre dan post test menunjukkan nilai rata-rata siswa meningkat sebesar 33 % dari 43,1 menjadi 57,5 dengan tingkat signifikansi 0,001 (p < 0,05). PKM mampu meningkatkan keterampilan siswa dalam pembuatan kue kering dan brownies berbahan tepung pisang dan pewarna alami bunga pisang.
Sosialisasi dan Pelatihan Teknologi Pembuatan Kombucha Bagi Siswa SMKN H. Moenadi Ungaran Anisa Rachma Sari; Bambang Kunarto; Rohadi Rohadi
Madaniya Vol. 5 No. 1 (2024)
Publisher : Pusat Studi Bahasa dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53696/27214834.737

Abstract

Keterampilan pada matapelajaran bioteknologi pengolahan hasil pertanian di SMKN H. Moenadi Ungaran masih kurang mewadahi, padahal keterampilan tersebut dapat menjadi modal berwirausaha bagi siswa-siswi setelah lulus dari bangku sekolah. Tujuan dari kegiatan PkM adalah meningkatkan pemahaman teori dan keterampilan siswa-siswi SMKN H. Moenadi Ungaran tentang teknologi fermentasi pembuatan kombucha sehingga dapat menumbuhkan jiwa berwirausaha pada siswa. Metode dalam kegiatan PkM meliputi: persiapan kegiatan; pelaksanaan kegiatan dimulai pretes, pemaparan materi mengenai minuman fungsional teh, kombucha dan pengembangan kombucha dilanjutkan praktik pembuatan kombucha dan diskusi serta evaluasi kegiatan. Hasil kegiatan menunjukkan terjadi peningkatan pemahaman terhadap 69 peserta siswa-siswi kelas XI Jurusan APHP SMKN H. Moenadi Ungaran. Hal ini ditunjukkan dengan sudah tidak adanya (0%) peserta dengan tingkat pemahaman sangat rendah setelah mengikuti kegiatan PkM yang sebelumnya terdapat sebanyak 31,88%. Selain itu, peserta dengan tingkat pemahaman sangat tinggi mengalami peningkatan signifikan sebanyak 26,09% dari 2,90% menjadi 28,99%. Berdasarkan hasil dari kegiatan yang telah dilakukan, peserta mengalami peningkatan tingkat pemahaman terhadap materi yang disampaikan berdasarkan hasil pretes dan postes dan peserta mampu mempraktikan pembuatan minuman fermentasi kombucha berdasarkan pengamatan tim PkM selama mengikuti pelatihan.
Enhancement the Knowledge and Skills of SMK N 6 Kendal Students Through the Practice of Making Kombucha Tea: Peningkatan Pengetahuan dan Keterampilan Siswa SMK N 6 Kendal Melalui Praktik Pembuatan Teh Kombucha Anisa Rachma; Rohadi Rohadi; Bambang Kunarto
JAKADIMAS (Jurnal Karya Pengabdian Masyarakat) Vol. 2 No. 2 (2024): JAKADIMAS
Publisher : Fakultas Teknologi dan Industri Pangan Unisri Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/jakadimas.v2i2.11059

Abstract

The biotechnology subject for processing agricultural products at SMK N 6 Kendal is considered lacking. In fact, skills in the field of biotechnology can be applied to food production and this is in accordance with the competencies required by students majoring in Agribusiness on Agricultural Product Processing (APHP) at SMK N 6 Kendal. The aim of community service activities (PKM) is to increase students' knowledge and skills in making Kombucha tea. The PKM method includes several stages, namely, survey, coordination of preparation, implementation, monitoring and evaluation. The stages of PKM implementation are delivered through lectures and practice. The PKM results show that the average score of the questionnaire test results with both the pretest and post-test questionnaires is very good, with an average score of 16.2 (pretest) and 16.3 (post-test) out of a potential questionnaire score of 20. However Thus, lectures are not effective for the purpose of increasing student knowledge.
Co-Authors Adi Sampurno Anisa Rachma Anisa Rachma Sari Chairil Anwar Ery Pratiwi Maslikhatul Ummah nFN Supriyanto nFN Sutardi Rohadi Rohadi Rohadi, Rohadi Sri Budi Wahjungsih