ABSTRACT Pelalawan Regency is one of the regencies in Riau Province with extensive peatland coverage. Human activities cause peatland cover in Pelalawan Regency to change from year to year, so it is necessary to monitor changes in peatland cover and carbon stocks in Pelalawan Regency. The purpose of this study is to calculate changes in peatland cover area and changes in carbon stocks resu…
ABSTRACT Wax deposition in oil pipelines poses a significant challenge in industry, particularly in the oil and gas industry, as it can reduce production capacity and efficiency, resulting in financial losses. To mitigate these losses, methods are needed to detect and monitor wax deposits in pipelines. The method used in this study is an ultrasonic testing method to detect the thickness di…
ABSTRACT Pyrolysis is one of the effective methods for processing plastic waste, pyrolysis involves the decomposition of plastic components without oxygen, producing oil, wax, charcoal and flammable gas that can be used as alternative fuels. This research aims to determine the effect of pyrolysis temperature on the yield of pyrolysis oil from low density polyethylene (LDPE) and polypropylene (…
ABSTRACT Construction projects require proper control so that they can be completed according to the planned schedule and budget. This study aims to evaluate the cost and time performance of the University of Riau Postgraduate Center Building Project through the application of the Earned Value method. This method is used because it is able to show the relationship between cost, time, and t…
ABSTRACT Tomatoes were classified as climacteric fruit with a hight water content of up to 94%, which caused them to spoil quickly. The method used to extend the shelf life and inhibit spoilage was the application of an edible coating. This research aimed to determine the best concentration of corn starch in the production of edible coating on tomatoes during storage. The study was carried…
ABSTRACT Pectin is an additive widely used in various industries because it can form a gel. Pectin is obtained through an extraction process and is influenced by various factors such as temperature and time. This study aimed to determine the optimum extraction temperature and time for pineapple peel pectin characteristics in according to the quality standards of the International Pectin Pr…
ABSTRACT Waste from excessive corn production includes corn silk, a component of maize that can be used to produce tea. Tea contains flavonoids such as polyphenols and catechins, which have antioxidant properties. This study aimed to obtain the best antioxidant activity and organoleptic properties of corn silk tea and mangosteen peel. The research was conducted experimentally using a compl…
ABSTRACT Native taro flour exhibits high swelling power, resulting in a noodle texture that is overly soft. Heat moisture treatment (HMT) modification can enhance the texture and overall quality of noodles by utilising high temperatures and low moisture content. The purpose of this study is to determine the variation in moisture content levels used in HMT modification of sinaboi taro flour…
ABSTRACT Crackers are snacks made from ingredients that contain starch. The raw material for making crackers is basically tapioca, which is similar to sago starch in terms of its components, which contain high carbohydrates. Efforts to diversify sago crackers need to be made to increase protein content, one of which is by adding moringa leaf flour. This study aims to determine the effect o…
ABSTRACT Cilok is a type of food originating from West Java that is round like meatballs, made by boiling, giving peanut sauce, and serving with sticks. This study aims to obtain the best formulation ratio of sago starch and seaweed in making cilok based on the resulting chemical and sensory characteristics. The study was conducted experimentally using a completely randomized design with f…
ABSTRACT Durian seeds had suitable chemical properties for making flour, but their amylose content was relatively low. Therefore, a one-cycle autoclaving-cooling modification was needed to increase the amylose content, making durian seed flour more suitable for processed products such as noodles.The purpose of this study was to improve the chemical characteristics of durian seed flour modi…
ABSTRACT Probiotics are live microorganisms that when consumed in sufficient quantities will provide benefits to the health of the human. The purpose of this study was to determine the activity of bile salt deconjugation and growth inhibition of pathogenic bacteria by Limosilactobacillus fermentum InaCC B1295 and Pediococcus pentosaceus strain 2397 encapsulated with or without encapsulant …
ABSTRACT Dadih is buffalo milk fermented with lactic acid bacteria (LAB). This study aimed to measure the antimicrobial activity of LAB isolates from dadih, Kampar Regency, against the pathogenic bacteria Listeria monocytogenes, Staphylococcus aureus, Salmonella sp., and Escherichia coli. This study was conducted descriptively with four isolates and four replicates. Four LAB isolates (LM 1…
ABSTRACT This study aims to determine the effectiveness of organic extracts of areca nut flour on the mortality of S. exigua in the laboratory. Red onion (Allium ascalonicum L.) is an agricultural commodity that is widely cultivated in lowlands. Increasing demand is not matched by optimal production, partly due to attacks by the pest Spodoptera exigua Hubner, which can cause damage of up t…
ABSTRACT Soybean (Glycine max L.) is a plant that has high nutrition and is the main raw material in various food and industrial products. One of the efforts to increase soybean productivity through the provision of organic matter in marginal lands, such as Inceptisol. The study aims to determine the effect of giving frass black soldier fly (BSF) in increasing nutrient uptake of NPK, growth an…
Village fund management is a crucial aspect in increasing the income of rural communities. This study aims to analyze the relationship between transparency, accountability, and community participation in village fund management with the income level of the community in Rokan Koto Ruang Village, Rokan Hulu Regency. A quantitative method was employed with purposive sampling of 44 respondents…
ABSTRACT Forest destruction is a process, method or act of destroying forests through illegal logging activities, use of forest areas without permits or use of permits that are contrary to the aims and objectives of granting permits in forest areas that have been determined, have been designated, or are being processed for determination by the government. . In this case, forest destruction occ…
ABSTRACT This study aims to analyze product quality, store atmosphere, and promotion on purchasing decisions at Tomoro Coffee Pekanbaru. The background of this study is based on the rapid growth of the coffee shop industry in the city of Pekanbaru and increasing competition among businesses. This study uses a quantitative approach with a survey method by distributing questionnaires to cust…
ABSTRACT This study was conducted with the aim of determining the effect of service quality on company reputation and service purchase decisions at Fun Creative Organizer in Pekanbaru City. The population in this study consisted of all clients who had used the services of Fun Creative Organizer in Pekanbaru City in the past year. The sampling technique used in this study was proportional strat…
ABSTRACT This study aims to determine the effect of Electronic Word of Mouth (E-WOM) and Brand Image on Repurchase Intention of ESQA cosmetic products in Pekanbaru City, as well as the role of Consumer Trust as an intervening variable. The population in this study consists of people in Pekanbaru City aged 17 to 40 years who have purchased, used, and intend to repurchase ESQA cosmetic products.…