Shallot (Allium ascalonicum L.) is a horticultural commodity that people need as cooking spices and medicines. Efforts to increase shallot production can be done by adding organic material to the soil, by applying corn compost which can increase the cation exchange capacity (CEC) of the soil so that it can provide more nutrients. Another effort that can be made is adding nutrients that plants n…
Copra is a featured product in Kempas District, Indragiri Hilir Regency, Riau Province. Generally, the copra produced is rejected copra. The purpose of this research is to analysis strategies to improve the competitiveness of copra Small and medium enterprises (SMEs) in Kempas District. The research method used was a survey, the survey results were followed by Strengths, Weakness, Opportunities…
Functional ice cream is a product that contains probiotics, when consumed, will have health effects. Functional ice cream can be produced by adding a microencapsulated probiotic starter. This study aimed to determine the physical, chemical, microbiological, and sensory characteristics of functional ice cream by adding microencapsulated probiotics at the time before or after aging. The study was…
Jelly drink is afoodproduct development usinggelling agents to form ajelly texture that can be consumed by using straw. The main components in making jelly drink are water and hydrocolloids. The hydrocolloid usually used is carrageenan, however it produces a gel that is fragile and syneresis. Therefore, it is was necessary to add konjac which can produce gel with high gel strength and good text…
Ice cream is a milk product that is very popular with the public. This study aimed to determine the physical, chemical, microbiological, and sensory characteristics of functional ice cream with the addition of a probiotic starter at the right time. The research was carried out experimentally using a completely randomized design (RAL) with five treatments and four replications. The treatments in…
Live bacteria known as probiotics benefit people. Probiotics are able to regulate the intestinal mictobiota and prevent the growth of pathogenic bacteria. The study aimed to evaluate the properties of autoaggregation, coaggregation and cell surface hydrophobicity of Lactobacillus fermentum InaCC B1295 and Pediococcus pentosaceus strain 2397 encapsulated and without encapsulated with cellulose m…
Making fresh cow's milk yoghurt requires innovation in fermentation methods to produceamorepotent product. Theback sloppingfermentation method can be used to accelerate fermentation time, production of relevant metabolites and allow the formation of a more consistent product. This research aimed to evaluate the physical, chemical, and microbiological characteristics of fresh cow's milk yoghurt …
Acacia crassicarpa is a top priority plant in the development of industrial forest plantations, especially in Sumatra, because it meets the requirements as raw material for the pulp and paper industry. PT Sekato Pratama Makmur (SPM) is a company engaged in the cultivation of this crop. Constraints often encountered in the development of pulpwood plantations include pests, diseases and seedlings…
Kawasan perkotaan Indonesia rentan terhadap dampak perubahan iklim, di mana ancaman bencana hidrometeorologis seperti banjir merupakan ancaman bencana yang paling sering terjadi. Fenomena banjir Kota Pekanbaru merupakan permasalahan saling terkaitnya antara permasalahan sosial ekonomi dan lingkungan. Perubahan atau alih fungsi lahan di kawasan non terbangun menjadi kawasan permukiman atau perun…
Background and Objectives: The maximum possible use of natural resources requires control that is harmonious, harmonious and balanced because uncontrolled changes and disturbances to natural resources and the environment will cause problems for the human environment. This will cause pollution, poisoning, erosion, floods and drought so that it can ultimately affect human welfare. Pollution due t…
This research was conducted in November 2020 to December 2023. The objectives of the research were (1) identify and characterize Chlorella vulgaris isolated from the waters of the Rokan River Estuary, Bangko District, Rokan Hilir Regency, Riau Province, (2) evaluate the effect of different composition media on growth characteristics, proximate chemical composition, chlorophyll (a, b), total chl…
Peat forests are one of the natural resources that play an important role in life, especially in storing biodiversity. Therefore, the floristic composition and current conditions of peat forests need to be studied to become basic information in peatland management strategies. This study aims to: i) analyze the floristic composition in two forest conditions with different levels of disturbance; …
Every life insurance company provides financial protection services to the heirs or beneficiaries against various risks that will occurs in the event of death of the policyholder. The company must set aside a reserve fund to meet future obligations related to claims from policyholders. This reserve is obtained from premiums paid by insurance participants. The Premium Difference Formula re- serv…
Cincalok, a traditional food from Indragiri Hilir Regency, is made by spontaneous fermentation of rebon shrimp (Acetes sp.) mixed with salt and sago. This food is thought to contain lactic acid bacteria (LAB) that have the potential as probiotic agents that can provide positive benefits to the body's health if consumed in the right amount. This study aimed to isolate LAB and characterize them m…
Zinc oxide (ZnO) semiconductor is a material with a band gap energy of 3.37 eV that can be used as a photocatalyst to degrade pollutants in water. The weakness of this material is the relatively wide band gap energy, which limits the light response to photocatalytic activity. Efforts to increase its photocatalytic efficiency are carried out by adding impurities to ZnO. Single element doping has…
Thin films of (0.9)BaTiO3-(0.1)BaZr0.5Ti0.5O3 (BT-BZT) is ferroelectric materials developed to meet the specifications for multilayer ceramic capacitors (MLCC). This study aims to analyze the optical properties, crystal structure, morphological structure, and dielectric properties of BT-BZT using Ultraviolet-Visible (UV-Vis) spectroscopy, X-Ray Diffraction (XRD), Field Emission Scanning Electro…
Iron sand possesses unique magnetic properties, making it a promising material for various technological applications. This research aims to analyze the magnetic, optical, and compositional properties of iron oxide particles derived from Sunur-Pariaman beach sand, which were doped with cobalt. The material preparation process involved the ball milling method conducted in three stages, totaling …
This research was conducted to determine the purity of forest honey against the mixing of high fructose corn syrup (HFCS) and apple cider vinegar (ACV) based on concentration variations of..........
Tilapia is one type of freshwater fish that is widely cultivated in Indonesia. Fish is usually a food ingredient that is very easily damaged in freshness and its quality decreases rapidly after death........
Indonesia has abundant biodiversity, including more than 2,000 species of herbal plants that have the potential to be used as natural medicines. However, people still tend to prefer chemical drugs due to a lack of understanding of the benefits of herbal plants, including their ability to relieve pain. Additionally, many herbs are found in hard-to-reach areas, adding to the challenges in the ide…