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Repositori Institusi
Repositori Institusi
Decrease Polyphenols, Ethanol, Lactic Acid, and Acetic Acid during Fermentation with Addition of Cocoa Beans Innoculum
The research objectives were: 1) to know the composition of cocoa bean pulp as substrate for fermentation; 2) evaluate the effect of variation
of cocoa seed fermentation technique on microbial population. Stages of research conducted are as follows ...
Repositori Institusi
Variasi genetik loci STR codis (THO1, TPOX) manusia Gilimanuk (pulau Bali)
Migrasi Mongoloid diduga berasal dari wilayah barat dan utara Indonesia yang datang dalam berbagai gelombang. Kelompok migran ini bercampur dengan penduduk setempat yang berafiliasi Australomelanesoid. Migrasi ini bergerak ke arah timur
Indonesia da...
Repositori Institusi
PENGARUH PEMBERIAN GIBERELIN ACID (GA3) TERHADAP PERTUMBUHAN DAN PRODUKSI BUNGA KOL (Brassica oleracea L)
Thesis
Bunga kol (Brasica oleracea L) merupakan tanaman sayuran yang digemari
masyarakat karena mengandung gizi yang baik untuk kesehatan tubuh dan juga
karena rasanya yang enak dan segar. Permintaan sayuran ini memiliki prospek
yang baik dipasaran dan j...
Repositori Institusi
Efektivitas Zat Pengatur Tumbuh dari Ekstrak Bawang Merah pada Budidaya Bawang Daun (Allium porumL.)
Leeks (Allium porum L.) have many health benefits for the human because the fiber, folic acid, calcium, potassium, and vitamin C content is relatively high in it. A study was conducted to determine plant growth regulators'(PGRs...
Repositori Institusi
Effect of Drying Method on the Production of Dehydrated Sourdough Starter from Fermented Papaya (Carica papaya L)
Yeast is a leavening agent used in bread-making that contains microorganisms of the Saccharomyces cerevisiae species. The use of yeast in bread-making is known for its practicality and ease, but yeast intolerance often occurs. As an alternative, natu...
Repositori Institusi
Exploring the potential of fermented papaya as a functional ingredient for sourdough bread: a study on fermentation time and quality of sourdough donuts
Sourdough bread is known to have health benefits due to its fermentation process using lactic acid and wild yeast. It can improve the taste, texture, shelf life, and nutritional content of bread as a functional food. In this study, sourdough was made...
Repositori Institusi
Efektivitas EDTA dalam membersihkan lapisan kerak pada cagar budaya berbahan batu
Candi-candi di Indonesia umumnya terletak di kawasan yang terbuka sehingga sangat terpengaruh dengan kondisi cuaca dan iklim sekitarnya. yang dapat memicu kerusakan dan pelapukan batu candi. Efek lingkungan yang sering ditemukan adalah timbulnya lapi...
Jurnal Institusi
Phytoremediation of iron-contaminated soils using humic acid and hyperaccumulator grasses
Jurnal Ilmiah Pertanian; Vol. 21 No. 2 (2024): Jurnal Ilmiah Pertanian; 129-138
The Lapindo mud disaster in Porong, Sidoarjo, Indonesia, resulted from mining activities, leading to severe iron (Fe) contamination in the soil. This contamination has adversely impacted agricultural productivity in the affected areas. Phytoremediati...
Jurnal Institusi
Boosting strawberry yield and fruit sweetness with humic substances and biofertilizer in soilless cocopeat-based culture
Jurnal Ilmiah Pertanian; Vol. 20 No. 3 (2023): Jurnal Ilmiah Pertanian ; 247-257
Farmers usually apply more chemical fertilizers to enhance the yield of strawberries in soilless culture. Humic substances and biofertilizers are now considered essential nutrient sources in sustainable agriculture. The objective of the greenhouse ex...
Jurnal Institusi
INTERAKSI PEMBERIAN ASAM HUMAT DAN PUPUK NPK TERHADAP PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum L)
Jurnal Agrotela; Vol. 3 No. 1 (2023): Jurnal Agrotela; 24-30
Shallots are not a basic need, but consumer demand for shallots reaches 119,080 tons/year (EWS, 2020) to be used as raw material for industry and household consumers. So far, in Riau, to meet consumer demand for shallots, they have to be imported fro...
Jurnal Institusi
Evaluation of Lagergren Kinetics Equation by Using Novel Kinetics Expression of Sorption of Zn2+ onto Horse Dung Humic Acid (HD-HA)
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 338-346
Extraction and purification of humic acid from dry horse dung powder (HD-HA) was performed successfully and the purified HD-HA was then applied as sorbent to adsorb Zn2+. Extraction and purification were performed based on procedure of Stevenson (199...
Jurnal Institusi
Conversion of Cyclohexanone to Adipic Acid Catalyzed by Heteropoly Compounds
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 64-69
Conversion of cyclohexanone to adipic acid using hydrogen peroxide as green oxidant catalyzed by heteropoly compounds i.e. H5[a-BW12O40] H4[a-SiW12O40] and H4[a-PVMo11O40] has been carried out systematically in one pot synthesis under mild condition....
Jurnal Institusi
Comparative Study on the Adsorption of [AuCl4]– onto Salicylic Acid and Gallic Acid Modified Magnetite Particles
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 329-337
Salicylic acid-modified magnetite (Mag-SA) and gallic acid-modified magnetite (Mag-GA) particles were prepared by co-precipitation procedure. Characterization results showed the interaction that occurs between the surface of magnetite with salicylic ...
Jurnal Institusi
Synthesis and Characterization Superabsorbent Hydrogels of Partially Neutralized Acrylic Acid Prepared Using Gamma Irradiation; Swelling and Thermal Behavior
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 281-287
A series of superabsorbent hydrogels were synthesized from partially neutralized acrylic acid with varying degree of neutralization (0-1) using gamma radiation. The effects of degree neutralization of acrylic acid on swelling ratio were studied. DSC ...
Jurnal Institusi
Preparation of Citric Acid Crosslinked Chitosan/Poly(Vinyl Alcohol) Blend Membranes for Creatinine Transport
Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 144-150
Preparation of membrane using crosslinking reaction between chitosan and citric acid showed that functional group modification increased the number of active carrier groups which lead to better transport capacity of the membrane. In addition, the sub...
Jurnal Institusi
The Effect of Self-Regulated Learning Strategy on Student Learning Outcomes in Acid-Base Titration Material
Lectura : Jurnal Pendidikan; Vol. 15 No. 2 (2024): Lectura: Jurnal Pendidikan; 380-390
This research is based on the fact that students' learning outcomes in acid-base titration material in the low scores. The aim of this research is to investigate the effect of self-regulated learning strategies in acid-base titration material on...
Jurnal Institusi
Perkecambahan dan pertumbuhan benih jati (Tectona grandis Linn. f) dalam merespon perbedaan konsentrasi dan perlakuan waktu perendaman benih dalam asam klorida
Jurnal Ilmiah Pertanian; Vol. 19 No. 3 (2022): Jurnal Ilmiah Pertanian; 187-197
Teak is a wood-producing plant that is in great demand by the community. However, teak seeds are challenging to germinate due to dormancy, so special treatment is needed before planting. This research aimed to determine the effect of hydrochloric aci...
Jurnal Institusi
Deteksi Dini Penyakit Gout Pada Lansia di Wilayah Kerja Puskesmas Kalibaru Bekasi
Dinamisia : Jurnal Pengabdian Kepada Masyarakat; Vol. 5 No. 2 (2021): April 2021, Dinamisia: Jurnal Pengabdian Kepada Masyarakat; 494-499
Gout caused by hyperuricemia is a condition of high of uric acid in the blood. The condition of hyperuricemia in elderly is related to metabolic syndrome which is caused by slow rate of the body's metabolism. This activity aims to determine a pr...
Jurnal Institusi
Developing Problem-Solving Based E-Student Liveworksheet to Improve Students’ Critical Thinking in Acid-Base
Lectura : Jurnal Pendidikan; Vol. 16 No. 2 (2025): Lectura: Jurnal Pendidikan; 696-711
This study is conducted in response to the low levels of students’ critical thinking skills, particularly in interpretation, analysis, inference, and explanation, in the context of acid-base chemistry, as well as the scarcity of digital resources t...