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Ermi Arbiyani
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Identifikasi Flavonoid Dari Tanaman Dewandaru (Eugenia Uniflora L.) Dengan Metode Spektrofotometri Uv – Vis : Literatur Review Articel Ermi Arbiyani; Abdul Aziz; Ina Nurunnisa; Muhamad Gilang; Muhamad Zein Latif
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 5 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (155.987 KB) | DOI: 10.5281/zenodo.7732420

Abstract

Dewandaru (Eugenia uniflora L.) is a plant from the Myrtaceae family. The content of secondary metabolites in the dewwandaru plant is very diverse, one of which is flavanoid. The purpose of this study was to determine the content of flavonoids contained in the dewadaru plant by UV-VIS spectrophotometry. The method used in this paper is the literature review (LRA) method by collecting data from various scientific journals: Google Scholar, , Researchgate, ScienceDirect, Pubmed, Publons. The results obtained from this study are one of the types of flavonoids found in dewandaru leaves, namely 5,7,3',4'- tetra hydroxy flavonol or quercetin.
Analisis HPLC Bertarget dan Tidak Bertarget Produk Berbasis Kopi sebagai Alat Efektif untuk Mengevaluasi Keaslian Kopi : Literature Riview Article Ermi Arbiyani; Rini Ernawati Sari; Anasthasya Faomasi Gulo; Amanda Auliya Zulfa; Sri Marita
Jurnal Ilmiah Wahana Pendidikan Vol 9 No 5 (2023): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.748 KB) | DOI: 10.5281/zenodo.7732509

Abstract

Coffee is a very popular beverage worldwide. However, its composition and characteristics are affected by a number of factors, such as geographical and botanical origin, harvesting and roasting conditions, and brewing method used. As coffee consumption rises, the demands on its high quality and authenticity naturally grows as well. Unfortunately, at the same time, various tricks of coffee adulteration occur more frequently, with the intention of quick economic profit. Many analytical methods have already been developed to verify the coffee authenticity, in which the high-performance liquid chromatography (HPLC) plays a crucial role, especially thanks to its high selectivity and sensitivity. Thus, this review summarizes the results of targeted and non-targeted HPLC analysis of coffee-based products over the last 10 years as an effective tool for determining coffee composition, which can help to reveal potential forgeries and non-compliance with good manufacturing practice, and subsequently protects consumers from buying overpriced low-quality product. The advantages and drawbacks of the targeted analysis are specified and contrasted with those of the non-targeted HPLC fingerprints, which simply consider the chemical profile of the sample, regardless of the determination of individual compounds present.
Co-Authors Abdul Aziz Amanda Auliya Zulfa Anasthasya Faomasi Gulo Ina Nurunnisa Muhamad Gilang Muhamad Zein Latif Rini Ernawati Sari Sri Marita