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All Journal Journal of Tropical Chemistry Research and Education PROFESSIONAL HEALTH JOURNAL
Stephanie Devi Artemesia
Unknown Affiliation
Chemistry Education Medicine & Pharmacology Nursing

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Uji Parameter Spesifik dan Non Spesifik p ada Kopi Robusta ( Coffea canephora ) Azmi Prasasti; Stephanie Devi Artemesia; Firda Ihza Firgilia; Wulan Dari Nur Wahyu Liana
PROFESSIONAL HEALTH JOURNAL Vol. 5 No. 1sp (2023): Special Issue Outcome PDP
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (PPPM) STIKES Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54832/phj.v5i1sp.464

Abstract

Robusta coffee is the most widely cultivated type of coffee in Indonesia. Caffeine in coffee determines the taste and aroma of coffee. Extract standardization determines the quality of the extract. Therefore, this study aims to standardize the extract including organoleptic extract, calculating the yield weight, moisture content and ash content, as well as testing the caffeine content of Robusta coffee using the gravimetic method. The solvent used was ethyl acetate 99% with refluks extraction method. The results showed that the yield weight was 9,712%, the moisture content was 4,83% and the as content was 0,43%. The water content and ash content values meet the standards set by Farmakope Herbal Indonesia. Meanwhile, the value of caffeine levels shows 7,91 ± 0,01 %
Testing The Fe Content of Green Spinach Leaf Extract Using the AAS Spectrophotometry Method Prasasti, Azmi; Sari Prayudeni; Abi Mas Udianto; Stephanie Devi Artemesia; Anung Kustriyani; Elsa sarif
Journal of Tropical Chemistry Research and Education Vol. 8 No. 1 (2026)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2026.81-03

Abstract

Green spinach (Amaranthus hybridus L.) is a plant that contains vitamin K, vitamin C, vitamin E, vitamin A, and vitamin B complex. Green spinach is rich in iron to prevent anemia. Iron plays an important role in the manufacture of hemoglobin, a protein in blood cells, regular consumption of green spinach can increase hemoglobin levels. The purpose of this study was to determine the level of Fe in an extract of spinach leaves with the maceration method of aquadest solvent. Measurement of Fe levels using AAS Spectrophotometry (Atomic Absorption Spectrophotometry). The results of the study obtained the Fe content of thick spinach leaf extract of 0.0190%.
Co-Authors Abi Mas Udianto Anung Kustriyani Azmi Prasasti Elsa sarif Firda Ihza Firgilia Prasasti, Azmi Sari Prayudeni Wulan Dari Nur Wahyu Liana