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Jurnal Teknologi Pangan dan Hasil Pertanian
Published by Universitas Semarang
ISSN : 16939115     EISSN : 2580846X     DOI : 10.26623
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Computer Science & IT
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol. 18 No. 2 (2023): September" : 6 Documents clear
AKTIVITAS ANTIOKSIDAN TEH HERBAL DAUN PARIJOTO (Medinilla speciosa) PADA BERBAGAI LAMA PENGERINGAN Teguh, Teguh; Kunarto, Bambang; Putri, Aldila Sagitaning
Jurnal Teknologi Pangan dan Hasil Pertanian Vol. 18 No. 2 (2023): September
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v18i2.5398

Abstract

ABSTRAKLama waktu pengeringan merupakan kriteria penting karena mempengaruhi kualitas teh herbal daun parijoto yang akan dihasilkan. Tujuan penelitan ini adalah untuk mengetahui lama waktu pengeringan menggunakan cabinet dryer pada suhu 50oC terhadap kadar air, kadar abu, fenolik total, flavonoid total  dan aktivitas antioksidan (RSA-DPPH)  teh herbal daun parijoto. Penelitian ini menggunakan rancangan acak lengkap (RAL) satu factor yaitu lama waktu pengeringan (180; 210; 240; 270; 300 dan 330 menit) dengan ulangan perlakuan 3 kali. Hasil penelitian menunjukkan bahwa pengeringan menggunakan cabinet dryer suhu 50oC selama 240 menit merupakan perlakuan terbaik untuk menghasilkan teh herbal daun parijoto dengan kadar air 6,53 ±0,03%, kadar abu 4,73 ±0,17%, fenolik total 8,61 ±0,08 mg GAE/g, flavonoid total 0,40 ±0,01 mgQE/g dan aktivitas antioksidan (RSA-DPPH) sebesar 72,91 ±0,17% pada konsentrasi 0,1 g/mL.  Kata kunci: Antioksidan; daun parijoto; pengeringan; teh herbal  ABSTRACTThe drying time is an important criterion because it affects the quality of the parijoto leaf herbal tea that will be produced. The purpose of this study was to determine the drying time using a cabinet dryer at a temperature of 50oC on the moisture content, ash content, total phenolic, total flavonoid and antioxidant activity (RSA-DPPH) of parijoto leaf herbal tea. This study used a completely randomized design (CRD) with one factor, namely the length of drying time (180; 210; 240; 270; 300 and 330 minutes) with 3 repetitions of treatment. The results showed that drying using a cabinet dryer at 50oC for 240 minutes was the best treatment to produce parijoto leaf herbal tea with water content 6.53 ±0.03%, ash content 4.73 ±0.17%, total phenolic 8.61 ±0.08 mg GAE/g, total flavonoid 0.40 ±0 .01 mg QE/g and the antioxidant activity (RSA-DPPH) was 72.91 ±0.17% at a concentration of 0.1 g/mL.  Keywords: Antioxidant; parijoto leaves; drying; herbal tea  
PENGARUH JENIS KEMASAN TERHADAP KARAKTERISTIK FISIKOKIMIA DAN SENSORI KOPI ARABIKA GAYO DENGAN METODE PENGOLAHAN SEMI BASAH Silaban, Rutdiani; Sinaga, Hotnida; Karo-Karo, Terip
Jurnal Teknologi Pangan dan Hasil Pertanian Vol. 18 No. 2 (2023): September
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v18i2.7259

Abstract

Indonesia is the 4th largest coffee producer after Brazil, Vietnam and Colombia. The largest Arabica coffee production center in Indonesia is in Central Aceh District. Biophysical factors, such as soil conditions, climate and altitude, which are planted at an altitude of 1,000-1,400 meters above sea level are the factors that make Gayo Arabica coffee green bean known as a special coffee that has a strong coffee taste and characteristics. Coffee has a lot of chemical content in it, for example the content of chlorogenic acid and caffeine. Physicochemical analysis of the samples included moisture content, ash content, fat content, protein content, caffeine content, phenol content, acidity level (pH), and specific volume. This data analysis used a completely randomized design with 3 replications comparing coffee from each coffee processing using five types of storage packaging for 4 months. Semi-wet processed coffee has the characteristics of moderate acidity, sweet taste, medium to low. Keywords: Gayo Arabica, semi washed, green bean, storage, Packaging
Inovasi Kue Nastar Dengan Substitusi Tepung Singkong (Manihot Esculenta) Dan Penambahan Bubuk Daun Kelor (Moringa Oleifera) Ardiningtyas, Cantika Shinta; Romadhoni, Ita Fatkhur; Sutiadiningsih, Any; Dewi, Ila Huda Puspita
Jurnal Teknologi Pangan dan Hasil Pertanian Vol. 18 No. 2 (2023): September
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v18i2.7179

Abstract

Kue nastar ialah jenis kue kering yang dibuat dari tepung terigu, gula halus, margarin, dan kuning telur yang diisi dengan selai buah nanas. Ketergantungan Indonesia pada produk terigu impor mengakibatkan harga terigu dipasaran terbilang tinggi, sehinga perlu dilakukan pengurangan penggunaan terigu sebagai bahan utama dalam pengolahan kue nastar dengan subtitusi bahan pangan lokal seperti tepung singkong dan bubuk daun kelor. Penelitian ini menggunakan subtitusi tepung singkong sebanyak 75% dan 100% dan penambahan bubuk daun kelor 3g, 5g, dan 7g. data didapatkan melalui teknik uji organoleptik, selanjutnya dioleh menggunakan uji one way anova dan uji lanjutan duncan. Untuk mengetahui kandungan proximat, vitamin C, dan antioksidan dilakukan uji laboraturium pangan. Perhitungan harga pokok produksi dihitung dalam 1 resep yang menghasilkan 500 gram nastar.  Hasil menunjukkan 1Kue nastar dengan substitusi tepung singkong dan penambahan bubuk daun kelor terbaik dari uji organoleptik diperoleh dari 75% substitusi tepung singkong dan 3 gram penambahan bubuk daun kelor. 2Kue kandungan gizi substitusi tepung singkong dan 3 gram penambahan bubuk daun kelor memiliki kadar abu 1,12%, protein 6,08%, lemak 3,81%, karbohidrat 53,10%, vitamin C 16,55 mg/100g dan antioksidan 123,60 mg/100g. 3Harga pokok produksi kue nastar dengan substitusi tepung singkong dan penambahan bubuk daun kelor adalah Rp 106.856,-
Karakteristik Fisik Komposit Biopolimer Sebagai Alternatif Gelatin Aprianti, Gustira Endah; Edhi Suyatma, Nugraha; Arpah, Muhammad
Jurnal Teknologi Pangan dan Hasil Pertanian Vol. 18 No. 2 (2023): September
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v18i2.7362

Abstract

Gelatin memiliki peranan yang sangat penting bagi industri. Pembuatan gelatin menggunakan kulit dan tulang babi atau sapi yang bisa menimbulkan masalah bagi umat islam, hindu, yahudi dan vegetarian. Upaya yang dapat dilakukan mengatasi hal tersebut yaitu dengan mencari bahan baku lain sebagai alternatif gelatin. Tujuan dari penelitian ini untuk mengetahui karakteristik fisik komposit biopolimer dan untuk mengetahui formula komposit biopolimer terbaik sebagai alternatif gelatin. Biopolimer yang digunakan adalah kappa karagenan, pati termodifikasi, CMC, dan isolat protein kedelai. Beberapa analisis yang dilakukan diantaranya pembentukan gel, efek pengental, pembentukan film, transparansi gel, sineresis, kelarutan dalam air dingin, dan kekutan gel. Uji statistik yang digunakan yaitu uji Dunnett dengan taraf signifikansi 5%. Hasil yang tidak berbeda nyata dengan gelatin akan dipilih sebagai komposit biopolimer terbaik. Komposit biopolimer terbaik terdiri dari kappa karagenan, pati termodifikasi, dan isolat protein kedelai. Berdasarkan uji kekuatan gel, formula komposit biopolimer yang tidak berbeda nyata dengan gelatin adalah K3I4C0, K3P3I1 dan K3P4I0.
Perubahan Mutu Buah Pepaya Varietas IPB 9 (Calina) Selama Penyimpanan Pasca Simulasi Transportasi Ismaya, Pandu Legawa; Faturochman, Hadi Yusuf; Darmawati, Emmy; Setyadjit, Setyadjit
Jurnal Teknologi Pangan dan Hasil Pertanian Vol. 18 No. 2 (2023): September
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v18i2.7746

Abstract

Papaya (Carica Papaya L.) IPB 9 (calina) variety is a papaya fruit that has thick, sweet flesh and very high fruit productivity. During the transportation process of papaya, mechanical damage (bruises, abrasions, weight loss) and physiological damage often occur, which can cause papaya decrease in quality during storage before consumption. The purpose of this study was to determine changes in the quality of papaya after 2-hour transportation simulation. The research design used a randomized block design (RAK) with the treatment of the position of the fruit in the packaging, which was stored horizontally (KS1) and vertically (KS2) during the transportation simulation process. Papaya hat has been simulated for transportation is stored at 18–20oC for 12 days. Quality of papaya weight loss stored for 12 days for KS1 reached 7.34% and KS2 reached 7.43%. Hardness quality of papaya  stored for 12 days for KS1 is 0.84 kgf, and for KS2, it is 0.76 kgf. Quality of papaya skin color after 12 days of storage decreased the freshness of the papaya fruit, but it was still fit for consumption. Total dissolved solids content after being stored for 12 days for KS1 reached 11.45% and KS2 reached 11.32%.
Kualitas Mie Basah dengan Substitusi Tepung Bonggol Pisang Kepok (Musa acuminata balbisiana C.) dan Umbi Bit (Beta vulgaris L.) Liya Hertanti, Beatrik; Pranata, Franciscus Sinung; Reni Swasti, Yuliana
Jurnal Teknologi Pangan dan Hasil Pertanian Vol. 18 No. 2 (2023): September
Publisher : Faculty of Agricultural Technology, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jtphp.v18i2.6847

Abstract

Noodle is a popular food and mostly consumed by people in Indonesia. The addition of kepok banana corm and beetroot flour as potential local foodstuff is expected to increase nutritional content, especially fibre content in wet noodle product. This research aims to determine the effect of substitution of kepok banana corm and beetroot flour on the physical, chemical, microbiological, and organoleptic qualities of wet noodle, and to determine the best substitution ratio of kepok banana corm and beetroot flour to produce wet noodle with the best quality. This research used a completely randomised design with four treatments are control treatment (100:0:0), A (70:10:20), B (70:15:15), and C (70:20:10) with three repetitions. The results of this research are wet noodles have moisture content of 54,59-62,80%, ash content of 0,79-1,16%, protein content of 3,53-6,60%, insoluble fibre content of 7,81-9,50%, soluble fibre content of 4,84-10,82%, fat content of 2,43-6,48%, carbohydrate content of 25,99-35,56%, and water absorption of 37,38-43,86%. The results of microbiological analysis of wet noodles are ALT 0,43 x 102  to 11,73 x 102 () and AKK 0,08 x 102  to 0,26 x 102 (). The best quality of wet noodle is treatment C based on chemical, physical, microbiological, and organoleptic parameters

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