Coffee (Coffea sp) is the second-largest beverage consumed by people around the world whose process comes from the processing and extraction of coffee beans. Coffee has a chemical compound, one of which is caffeine. Caffeine is a crystal-shaped compound. Caffeine can be a tangible white powder or a shiny white needle-shaped, odorless caffeine, and caffeine has a bitter taste. The purpose of the study was to determine the caffeine levels of local ground coffee on the island of Dabo with the spectrophotometry UV-Vis method. Analysis of the ground coffee caffeine levels is quantitative determined using spectrophotometry UV-Vis. The equation of the calibration curve of caffeine is regression y = 0.1307x + 0.0112 with a correlation coefficient value (r) of 0.9993. Based on Indonesian National Standards (SNI) 01-7152-2006, The maximum limit of caffeine in foods and beverages is 150 mg/day and 50 mg/serving. The results of the analysis of caffeine levels from three samples of ground coffee circulating on Dabo Island each in 2 g were 0.3383 mg for Sample A; 0.3786 mg for Sample B; and 0.5803 mg for Sample C.
Sea Grape is one type of marine plant that produces active compounds that have the potential as medicinal ingredients that have antibacterial properties to inhibit the growth of bacteria that cause infectious diseases. This study aims to determine the antibacterial activity of sea grapes from Kampung Terih, Nongsa Beach, Riau Islands. The bacterial test used was Staphylococcus aureus and Salmonella typhi. Antibacterial activity testing using the disc paper diffusion method was carried out by measuring the inhibition zone around the disc paper, using a concentration variant of 25%, 75%, 100%. The results showed that sea grape extract was able to inhibit the growth of Staphylococcus aureus bacteria by forming an average diameter at each concentration of 8.4 mm (medium inhibition); 9.1 mm (medium resistance); 15.7 mm (strong resistance); then Salmonella typhi bacteria formed an average diameter at each concentration of 8.3 mm (medium inhibition); 9.3 mm (medium inhibition); 19.9 mm (strong resistance). Sea grape extract has strong potential in inhibiting bacterial growth.
Objective: Natuna sponge is a marine animal that contains a wide range of secondary metabolites that can be utilized in the field of pharmacy. The research aims to test the phytochemical content and antioxidant activity of the Natuna methanol marine sponge extract. Sample extraction is done by the maceration method with methanol solvent. Methods: Phytochemical tests include alkaloid testing, flavonoids, steroids, saponins, and tannins. Test antioxidant activity using the immersion DPPH method (1.1-diphenyl-2-picryl hydroxyl) measured absorption at a wavelength of 517 nm. Results: The phytochemical test results showing the sponge of Natuna contain secondary metabolites including alkaloids, flavonoids, steroids, saponins, and tannins. Conclusion: This Natuna sponge methanol extract has an antioxidant activity that is very strong with an IC50 value of 52.91 ppm, and the comparator used is Vitamin C with an IC50 value of 43,51 ppm.
Pure soy milk is a highly nutritious drink; in general, pure soy milk contains excellent content for the body in the form of protein, iron, phosphorus, carbohydrates, fat, provitamin A and B vitamins. Causing pure soy milk to contain or be contaminated with microorganisms. one of the microorganisms found in drinks or water is the Coliform bacteria. An example of Coliform bacteria is Escherichia coli. Escherichia coli is a bacterium that lives in the human intestine; these bacteria live as normal flora or can be called a collection of microorganisms, naturally present in normal and healthy human bodies. The research objective was to determine the presence or absence of Escherichia coli in pure soy milk sold in Jodoh Market, Batam City. This study uses the Most Probable Number (MPN) method. The results of the study on 10 samples of pure soy milk A, B, C, D, E, F, G, H, I, J and 2 samples of soy milk branded K, and L contained coliform bacteria, and there were 6 Escherichia coli bacteria in soy milk samples. Pure A, B, C, D, G, and on samples of soy milk branded K. The results of the examination of 12 samples of soy milk were found not to meet the requirements of the Indonesian National Standard (INS 01 – 3830 – 1995).
Penyakit dispepsia bukan merupakan kasus yang mengancam jiwa namun gejala–gejala penyakit tersebut terjadi dalam waktu lama. Dispepsia memberikan dampak yang kuat terhadap health‐related quality of life karena perjalanan alamiah penyakit dispepsia berjalan kronis dan sering kambuh, serta pemberian terapi kurang efektif untuk mengontrol gejala. Gejala‐gejala dispepsia dapat mengganggu aktifitas sehari-hari, dan mengakibatkan suatu dampak yang bermakna terhadap kualitas hidup dan peningkatan biaya pengobatan. Pemberian edukasi dijadikan alternatif agar masyarakat dapat memahami jenis penyakit lambung yang diderita. Namun pada kenyataanya edukasi yang diberikan dapat menjadi sumber kesalahan pengobatan (medication error), akibat kurangnya pengetahuan masyarakat tentang penyakit dispepsia. Pemberian informasi secara tepat dapat melindungi masyarakat dari bahaya penyakit dispepsia, oleh karena itu pemberian edukasi mengenai dispepsia melalui media sosial dinilai merupakan cara yang paling efektif terlebih pada masa pendemi sekarang ini. Tujuan dari kegiatan ini memberikan edukasi kepada masyarakat tentang penyakit dyspepsia. Metode yang digunakan pada kegiatan ini berupa digunakan video edukasi yang di sebarkan melalui media social. Hasil dari kegiatan ini berupa tanggapan dari masyarakat umum yang aktif di media sosial yang menyaksikan video edukasi yang telah di sebar hamper semua tanggapan yang diberikan berupa komentar komentar yang menyampaikan bahwa video edukasi ini sangat bermanfaat. Kesimpulan dari kegiatan ini penggunaan media sosial dinilai mampu memberikan edukasi kepada masyarakat terkait penyakit dispepsia.
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