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Siti Nuryanti
Department Of Chemistry, Faculty Of Teacher Training And Education, Tadulako University, Jln. Soekarno-Hatta Km 8, Palu
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Media Eksakta

 1 
Analisis Vitamin C Pada Buah Rambusa (Passiflora foetida L.) Karmila Karmila; Siti Nuryanti
Media Eksakta Vol 17 No 1 (2021)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (356.621 KB) | DOI: 10.22487/me.v17i1.819

Abstract

The rambusa plant (Passiflorafoetida L) grows wild and vines. The fruit is small round green when it is raw and light yellow when the fruit is ripe. Rambusa fruit contains useful substances for improving people's nutrition, one of them is vitamin C which is needed by human as a source of antioxidants. This study aimed to determine the levels of vitamin C in raw and riperambusa fruit extracts. The vitamin C levels were analysed by iodimetric titration. The results obtained vitamin C levels in raw rambusa fruit was 1.31 mg/g and in the ripe was 2.21 mg/g, respectively. This data shows that vitamin C levels in rambusa fruit increase based on the level of maturity.
Uji Daya Hambat Ekstrak Lengkuas (Alpinia galanga) Terhadap Pertumbuhan Jamur Candida albicans Yuma Ardian Allu; Siti Nuryanti
Media Eksakta Vol 18 No 2 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/me.v18i2.2211

Abstract

Galangal (Alpinia galanga) is a nutritious plant that can cure various diseases. This part of the plant, such as the rhizome, functions as a traditional medicine. This study aims to determine the inhibition of the fungus Candida albicans using galangal extract. Galangal extract was made using three different kinds of the solvents, namely hexane, ethyl acetate, and methanol. The suspension of Candida albicans fungus was obtained from the Biology Laboratory, FMIPA, Tadulako University. Fungal test using the well method. The results showed that the inhibitory power of galangal extract against the growth of Candida albicans using ethyl acetate and methanol was greater than that of hexane. Based on observations, the percentage of inhibitory power of galangal extract on the growth of Candida albicans with hexane, ethyl acetate, and methanol as solvents was 0% for hexane, 1,70% for ethyl acetate, and 4,70% for methanol.
Analisis Kadar Senyawa Flavonoid pada Daun Bawang Hutan (Eleutherine palmifolia (L.) Merr.) Mitha Widya Ningrum; Siti Nuryanti
Media Eksakta Vol 18 No 2 (2022)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/me.v18i2.2473

Abstract

Forest onion (Eleutherine palmifolia (L.) Merr.) is one of the plants commonly used by the community as traditional medicine. This plant can cure diseases such as diabetes mellitus, hypertension, prevent stroke and can lower cholesterol. Forest onions are known to contain compounds such as flavonoids, phenolics, tannins, and saponins. This study aims to determine the levels of flavonoid compounds in forest leek extract. Samples were extracted using maceration method with 70% ethanol as solvent. Determination of flavonoid levels using a UV-VIS spectrophotometer at a wavelength of 432.5 nm and using quercetin as a comparison (QE). The results of this study showed the levels of flavonoid compounds in forest leeks were 27.203 mg/100g±0,348.
Co-Authors A. Ma’ruf Afadil Agustin Tiwow Al Gifary, Muhammad Ali Amran Amran Rede Anang Wahid M.Diah Arun Haryanto Arwansyah Asmaul Husna B, Supriadi Baharuddin Hamzah Barau, Fitri Chairil Anwar Chintia N. Barani Cynthia L. Radiman Daini, Dinda Ulan Daud Karel Walanda Dewi Satria Ahmar Dhamayanti, Noviasri Diniyanti, Diniyanti Edi Sukamto Ergina, Ergina Frantauansyah, Frantauansyah Hartarti Uminah I Made Tangkas Ijirana Indarini Dwi Pursitasari Indarini Dwi Puspitasari Irwan Irwan Jamaludin M Sakung Jeane Maria Mustika Tonahi Jusman Lapatta Karmila Karmila Kasmudin Mustapa Laksono Trisnantoro Lamalat, Tri Sulistiyawati Latupeirisa, Veronica Purnama Sari Lilik Suparwati Lis K. Djaledje Ma’ruf, Ahmad Magfirah, Magfirah Male, Kasmir Sy. Marungkil Pasaribu Megawati T. H. Romu Mery Napitupulu Minarni R.J Minarni Rama Jura Mitha Widya Ningrum Moh. Azhar Afandy Muhamad A. Martoprawiro Muhammad Agus Muljanto Muhammad Silmi Hi Abubakar Nesia Andriana Nirwan Syafrin Nur A. O. Buhang Nur, Kurniati Nurbaeti Nurbaeti Nurdin Rahman Nurfadila, Safna Nurhasan, Abdul Kodir Nurmiati Nurmiati Nursucianti, Nursucianti Paulus H. Abram Paulus Hengky Abram Pratiwi, Tia Putri Radiansah, Roy Rahmasita Rahmasita Rahmawati, Rahmawati Rasmun, Rasmun Ratman Ratman Ratman Ratman Robiansyah, Yal S, Afadil Sabirin Matsjeh Sahida Sahida Saldi, Heri Salsabila, Unik Hanifah Setianingsih, Rahmadiana Siti Aminah Siti Nurbaya Sitti Rahmawati Somang, Olivia Inrawati I. Sri Mulyani Sabang SRI RAHAYU Sri Wahyuni Sriyulaningsi, Sriyulaningsi Sriyundiyati, Ni Putu Sudarmo, I Gede Suhardi Suhardi Suherman Suherman Suherman Suherman Sulhajir, Wahyuni Supriadi Supriadi Suwiyarsa, I Nyoman Tahril Tri Joko Raharjo U.B., Sitti Nadira Ubaidah, Nurcholis Al Winarti Winarti Yani Restiani Widjaja, Yani Restiani Yuli Nurmayanti Yuma Ardian Allu Yusuf Kendek Yusuf Kendek Yusuf Kendek