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Monika Rahardjo
Universitas Kristen Satya Wacana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Perbandingan Sifat Kimia dan Sensori terhadap Penggunaan Madu, Gula Jagung, dan Gula Pasir pada Fermentasi Kombucha Prasojo, Rachel Immelda Intan; Lestario, Lydia Ninan; Rahardjo, Monika
Jurnal Sains dan Teknologi Pangan Vol 9, No 3 (2024):
Publisher : JURUSAN ILMU DAN TEKNOLOGI PANGAN, UNIVERSITAS HALU OLEO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jstp.v9i3.47435

Abstract

Masyarakat di Indonesia memiliki kebiasaan meminum teh pada berbagai kesempatan seperti saat makan, bersantai, ketika bertamu, saat perjalanan, saat berada dikantor, dan pada berbagai kesempatan lainnya. Saat ini meminum teh sudah menjadi tren minuman kesehatan dan lifestyle. Teh memiliki khasiat mengurangi risiko penyakit jantung, penyakit kardiovaskuler, dan kanker serta menjadi antidiabetes dan anti-penuaan. Manfaat teh dapat ditingkatkan jika terdapat proses fermentasi didalamnya dengan bantuan mikroorganisme sehingga menghasilkan produk minuman yang disebut kombucha atau tea cider. Pemanis merupakan bahan yang digunakan sebagai nutrisi bagi bakteri dan khamir yang berperan dalam proses pembentukan kombucha dan hasil sampingnya berupa SCOBY. Tujuan dari artikel ini adalah untuk mengetahui pengaruh perbedaan pemanis pada fermentasi kombucha terhadap sifat fisikokimia dan sensori yang dihasilkan. Jenis penelitian yang akan dilakukan adalah deskriptif kuantitatif dengan tahapan penelitian. Beberapa tahap penelitian yang akan dilakukan antara lain pembuatan teh kombucha dengan formulasi gula pasir, madu, dan gula jagung; uji kadar gula; uji aktivitas antioksidan, uji pH; uji sensori; dan analisa data.
Effect of the Extraction Solvent Polarity and the Ratio of Feed and Solvent on the Phytochemical Content and Antioxidant Activity of Red Betel Leaves (Piper crocatum) Rahardjo, Monika; Mangalik, Gelora; Sihombing, Monang; da Costa, Junet Franzisca
Indonesian Journal of Agricultural Research Vol. 1 No. 1 (2018): InJAR, Vol. 1, No. 1, March 2018
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/injar.v1i1.173

Abstract

Red betel leaf (Piper crocatum) is a plant growing in tropical areas and previously known as an ornamental plant, but then later used as medicinal plant. Previous researches found that red betel leaves contain bioactive compounds such as alkaloids, flavonoids, tannins, and many more that have potential to be used as antioxidant. The extractions were carried out using variations of solvent types (ethanol, water, and ethyl acetate) and feed to solvent (F:S) ratios in g/ml (F:S=1:20, F:S=1:25, F:S=1:30). The best conditions from this research were the usage of ethanol as the solvent. In addition to its ability to extract the compounds potential as antioxidant and F:S ratio of 1:30, it could give highest yield of extract. Variation of solvent type and variation of F:S have significant effect on the value of antioxidant activity (IC50) of the red betel leaf sample.
The Optimization of Pudding Formulation Using Noni (Morinda citrifolia L.) Seen from Antioxidant Content and Sensory Characteristics Nugroho, Kristiawan Prasetyo Agung; Rahardjo, Monika; Jovitatera, Apfia
Indonesian Journal of Agricultural Research Vol. 1 No. 3 (2018): InJAR, Vol. 1, No. 3, November 2018
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (969.523 KB) | DOI: 10.32734/injar.v1i3.568

Abstract

Noni (Morinda citrifolia L.) is a fruit that known to be effective against many diseases. Its phenol and flavonoid contentacted as antioxidant, anticancer, antiinflamation and to fluent the blood vessel. Because of its content that rich in antioxidant, this research aim to utilized it as a food product. Pudding is one of food product that categorized as a dessert, which in the production does not require heat treatment, so the antioxidant can be maintained. The purpose of this experiment is to find the optimum formulation of Noni pudding seen from antioxidant content and sensory characteristics. The method of this research is total phenolic assay, total flavonoid assay and sensory evaluation from 50 random panelis age between 18-25 years old. The result showed that Noni fruit has total phenolic 0,13423 mg GAE/ml and the total flavonoid 0,11819 mg GAE/mL. The best formulation of pudding resulted from sensory evaluation was found with the addition 10% concentration of Noni extract 10%.
Formulation of gluten-free bread using psyllium husk and chia seed seen from physical and sensory characteristics Rahardjo, Monika; Sihombing, Monang

Publisher : Fakultas Pertanian Universitas Yudharta Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35891/agx.v16i1.5636

Abstract

Introduction: Gluten-free bread is a type of bread product made without gluten, and its consumption has increased in recent years, especially for individuals with celiac disease or driven by health considerations. The absence of gluten in gluten-free bread presents challenges in achieving the desired texture and structure. The incorporation of psyllium husk and chia seed into gluten-free bread formulations offers numerous benefits, both in terms of improving the bread's physical properties. Therefore, this study aims to find gluten-free bread formulations from a mixture of psyllium husk and chia seed seen from physical and sensory characteristics. Methods: This research method consists of the making of gluten-free bread, physical analysis (texture), sensory analysis, and statistical analysis. Results: For physical characteristics, psyllium husk, and chia seed incorporation affect springiness index, chewiness, adhesive force, and adhesiveness parameters in gluten-free bread, while for sensory characteristics several parameters have significant differences, namely aroma, taste, texture, and overall parameter, meanwhile appearance parameter has no significant difference. For the overall parameter, gluten-free bread with only psyllium husk (Formulation 1) received the highest rating preferred by the panelist. Conclusion: The incorporation of psyllium husk and chia seed affects the physical and sensory characteristics of gluten-free bread.
Pemanfaatan air botani dari buah salak pondoh (Salacca zalacca var pondoh) untuk pembuatan roti tawar sourdough Monika Rahardjo; Monang Sihombing

Publisher : Program Studi Ilmu dan Teknologi Pangan, Universitas Yudharta, Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35891/tp.v14i2.4295

Abstract

Indonesia has variety of fruits that have the potential to be used as botanical water in sourdough bread making, especially those with high sugar content. Salak pondoh (Salacca zalacca var pondoh) is one of Indonesia's native fruits that has a distinctive flavor and is favored by the public. This research aims to utilize botanical water from salak pondoh in the making of sourdough bread. This research method consists of several stages, namely making botanical water, making starter, evaluating yeast activity, and white bread production. The analysis performed on white bread includes physical analysis, chemical analysis, and sensory analysis. Yeast activity in this study showed that the use of sourdough starter with the percentage of 30% had the highest activity level of 1.035 ± 0.002 ml/hour. Proximate test results showed significant differences in protein content, water content, and fiber content, while carbohydrate, fat, and ash content were not significantly different. The results of the texture test showed significant differences for hardness and springiness parameters, while for other texture parameters there were no significant differences. Overall, white bread using sourdough starter from salak pondoh can develop well and can be accepted like white bread in general, even in this study white bread with the addition of sourdough starter obtained a higher hedonic rating compared to white bread sample control.
Co-Authors Adi Idolla Nenobanu Anggraeni, Maria Kristina Aurelia Roswita Avilla Hermes Catarina Arti Dwiastuti da Costa, Junet Franzisca Dhanang Puspita Erfina Trivena Nadia Ferdy Semuel Rondonuwu Ferry Fredy Karwur Franzesca Dwi Wahyu Gelora Mangalik Greis Saibele Hapzi Ali Hulu, Markus Jonathan Namora Jovitatera, Apfia Kristiawan Prasetyo Agung Nugroho Kurniawan, Yosia Agung Lydia Ninan Lestario Lydia Ninan Lestario Magdalena Putranti Maria D. Kurniasari Melanie Melanie Monang Sihombing Monang Sihombing Novita Iswardaningrum Prasojo, Rachel Immelda Intan Pulung Nugroho Rambu L.N.K. Retno Triandhini Ristia Widi Astuti Sarlina Palimbong Shara Refla Silvia Mutiara Istimur Stella Firsta Kirana Theresia Pratiwi Elingstyo Sanubari Thomas Kornelis Tae Valentino Pandu Firdaus Wahyu, Franszesca Dwi Wulandari, Triastuti Setyo