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Determination of Total Phenolic Levels in Ethanol Extract of Moringa (Moringa oleifera L.) Leaves based on Differences in Growing Sites Any Guntarti; Nining Sugihartini; Siti Athiyah Umaiyah; Nina Salamah
Journal of Food and Pharmaceutical Sciences Vol 9, No 1 (2021): J.Food.Pharm.Sci
Publisher : Institute for Halal Industry and System (IHIS) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.1337

Abstract

Moringa oleifera L. have good nutritional content including phenolic compounds which can be used as antioxidants and can grow in lowlands and highlands. The purpose of this study was to determine the total phenolic content of the ethanol extract of M. oleifera leaves with variations in the area of ​​collection. The 50% ethanol extract was obtained from the simplicia of M. oleifera leaves by using the maceration method. Analysis of total phenolic content in the extract was carried out using a spectrophotometer instrument with the addition of reagent Folin-Ciocalteu and gallic acid as standard. The results of total phenolic content in Sleman, Wonosari, and Wonosobo areas were (127.87 ± 2.71) mg GAE / g extract, (99.40 ± 2.68) mg GAE / g extract, and (142 , 92 ± 1.81) mg GAE / g extract. The highest phenolic content in the ethanol extract of moringa leaves was found in Wonosobo areas.
Wild boar fat analysis in beef sausage using Fourier Transform Infrared (FTIR Method) Combined with chemometrics Tengku Nur Indah Sari; Any Guntarti
JKKI : Jurnal Kedokteran dan Kesehatan Indonesia JKKI, Vol 9, No 1, (2018)
Publisher : Faculty of Medicine, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/JKKI.Vol9.Iss1.art4

Abstract

Background: Sausage is  ready to eat meals for children, adolescents, and older adults. The meat contained in a beef sausage might not be consistent to the one listed on the label. Fourier Transform Infrared (FTIR) spectroscopy combination with a chemometric method is one of the most used methods  to detect wild boar fat with rapid and consistent results. Results of analysis can classify fatty acid composition contained. Objective: The aim of this study is to determine the fat profile in sausage samples and differentiate the grouping of wild boar fat and beef fat in sausage preparation. Methods: The study was designed by making 7 different variations of wild boar reference sample concentrations, which were 100%, 75%, 65%, 50%, 35%, 25% and 100% beef. Six other samples were gathered from various street vendors. The results were analyzed using FTIR spectroscopy combined with chemometric with Partial Least Square (PLS) and Principal Component Analysis (PCA). Result: The results of analysis using Horizon MBTM apps showed optimal wave number within 1250-900 cm-1. The results of calibration with equation y= 0.994x + 0.334 and the value of (R2) determination was 0.998, and root mean square error of calibration (RMSEC) was 1.22%. The results of validation using parameter value of root mean square error of cross validation (RMSECV) 2.68%, and root mean square error of prediction (RMSEP) was 0.11%.Conclusion: PCA result showed that five from six samples possibly have same physical and chemical properties similar to fatty beef sausage.
Determination of Total Phenolic Levels in Ethanol Extract of Moringa (Moringa oleifera L.) Leaves based on Differences in Growing Sites Any Guntarti; Nining Sugihartini; Siti Athiyah Umaiyah; Nina Salamah
Journal of Food and Pharmaceutical Sciences Vol 9, No 1 (2021): J.Food.Pharm.Sci
Publisher : Institute for Halal Industry and System (IHIS) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.1337

Abstract

Moringa oleifera L. have good nutritional content including phenolic compounds which can be used as antioxidants and can grow in lowlands and highlands. The purpose of this study was to determine the total phenolic content of the ethanol extract of M. oleifera leaves with variations in the area of ​​collection. The 50% ethanol extract was obtained from the simplicia of M. oleifera leaves by using the maceration method. Analysis of total phenolic content in the extract was carried out using a spectrophotometer instrument with the addition of reagent Folin-Ciocalteu and gallic acid as standard. The results of total phenolic content in Sleman, Wonosari, and Wonosobo areas were (127.87 ± 2.71) mg GAE / g extract, (99.40 ± 2.68) mg GAE / g extract, and (142 , 92 ± 1.81) mg GAE / g extract. The highest phenolic content in the ethanol extract of moringa leaves was found in Wonosobo areas.