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All Journal Jurnal Teknologi Industri Pertanian JURNAL KIMIA SAINS DAN APLIKASI Jurnal Teknologi Pangan dan Gizi Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Florea Jurnal Sains dan Teknologi Pangan Indonesian Journal of Agricultural Research TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian Seminar Nasional Lahan Suboptimal Journal of Tropical AgriFood JURNAL MAHAJANA INFORMASI
Monang Sihombing
Universitas Kristen Satya Wacana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Social Sciences Veterinary Other

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Journal : Indonesian Journal of Agricultural Research

 1 
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) Monika Rahardjo; Gelora Mangalik; Monang Sihombing; Junet Franzisca da Costa
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.
Encapsulated Curcuma aeruginosa: Inhibition Method of Bitter Receptor Cells from The Perspective of Wall Formation Monang Sihombing; Victoria Kristina Ananingsih
Indonesian Journal of Agricultural Research Vol. 1 No. 2 (2018): InJAR, Vol. 1, No. 2, July 2018
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/injar.v1i2.267

Abstract

Curcuma aeruginosa is one of the herbs with health benefits and has been used in traditional medicine, has the characteristic bitter taste, so that limited use was. The formation of walls in the active component coating process can minimize direct contact of bitter receptor cells in the oral peripherals so the perception of bitterness can be reduced. This study used a variation of the WPI concentration as the coating wall materials 10%, 15% and 20%. Formation of coating walls was analyzed using SEM later in the sensory test for effectiveness decreased level of bitterness. The addition of 10% WPI results in the best wall formation was in Curcuma aeruginosa, which could decrease perception of significant bitterness. In contrast to the addition of WPI 15% and 20% were found in an oval shape, craters and ruptures form on coating wall, reducing the protection of the core component and contact with bitter receptor cells in the oral peripheral resulting in bitters taste perception increasing.
Co-Authors Anggraeni, Maria Kristina Aurelia Roswita Avilla Hermes Catarina Arti Dwiastuti Dhanang Puspita Gelora Mangalik Jonathan Namora Junet Franzisca da Costa Karina Permata Marthina Meylani Seilatuw Mayer Tinting Sirenden Monika Rahardjo Ristia Widi Astuti Seilatuw, Marthina Meylani Shara Refla Valentino Pandu Firdaus Victoria Kristina Ananingsih Widya Susanti Sitanggang