ABSTRACT Pineapple peel extract and citronella contain active compounds that have antibacterial properties that can inhibit or kill Staphylococcus aureus and Escherichia coli in hand sanitizers. This study aims to determine the antibacterial activity of hand sanitizer from pineapple peel and citronella extracts against Staphylococcus aureus and Escherichia coli. The research was carried out ex…
ABSTRACT The aims of this research were to study the effect of breadfruit starch coating on barangan banana during storage and to obtain the appropriate breadfruit starch concentration to extend the shelf life of barangan banana. The research was conducted experimentally using a completely randomized design method with treatments OF breadfruit starch concentration: control, 1%, 3%, 5%, and 7%.…
ABSTRACT This study aimed to evaluate the effect of the addition of biang fish (Ilisha elongata) flour on the organoleptic quality and nutritional content of instant noodles. Biang fish flour, which is rich in protein and minerals, was used to increase the nutritional value of instant noodles. The method used was an experimental design with a completely randomized non-factorial approach, w…
ABSTRACT The need for soybeans in Indonesia continues to increase, but this is not accompanied by an increase in soybean production. One of the efforts to increase soybean production is by expanding the planting area by providing mycorrhiza. Another factor that needs to be considered in the growth of soybean plants is the provision of phosphorus fertilizer. This study aims to determine the eff…
ABSTRACT Shallot (Allium ascalonicum L.) is a horticultural commodity that is widely consumed by the Indonesian people as a mixture of spices and medicines. Onion production in Riau fluctuates from year to year so it is necessary to develop cultivation techniques by combining the use of organic fertilizers with inorganic fertilizers. The source of organic fertilizer material can be composted e…
ABSTRACT The development of shallot plants in Riau Province is one of the efforts to increase regional agricultural productivity. Despite various efforts, shallot productivity in Riau Province is still relatively low. One of the main obstacles faced by farmers is the attack of fusarium wilt disease, which causes significant damage to plants and reduces yields. Fusarium wilt disease is caused b…
ABSTRACT Rice (Oryza sativa L.) is the primary staple food for most Indonesians, but its productivity in Riau Province declined from 4,1 tons.ha-1 in 2022 to 3,96 tons.ha-1 in 2023. One strategy to improve rice yields is enhancing soil fertility through the application of organic and inorganic fertilizers, such as bokashi and NPK. Bokashi improves soil microbial activity and nutrient availabil…
ABSTRACT Herbal tea is a functional drink made from processed tea from a mixture of dried herbs that have benefits for the body. This study aimed to obtain the selected ratio of corn silk and Citronella to the quality characteristics of herbal tea in accordance with SNI 3836:2013. The research was conducted experimentally using a completely randomized design (CRD) with four treatments and …
ABSTRACT Durian seed are one of the products of durian fruit that has not been utilized optimally. Durian seed have chemical characteristics that are suitable for use as flour. The purpose of this research was to obtain the chemical characteristics of durian seed flour in the modification of autoclaving-cooling 2 cycles and to determine the best treatment. The treatments in this study were the…
ABSTRACT Red chili production in Riau province has decreased in the last three years. Efforts to increase production are carried out by adding empty oil palm bunches (EOPB) and watering. This study aims to determine the interaction of EOPB compost and watering frequency, single factor of EOPB compost and watering frequency as well as to obtain the best EOPB compost dose and watering frequency …
ABSTRACT The high nutritional content and benefits of eggplant have increased the demand for eggplant, but eggplant production is still low and has not been met. Based on this, this study aims to determine the effect of interaction between NASA liquid organic fertilizer and NPK fertilizer, the single factor of administering NASA liquid organic fertilizer and NPK fertilizer, and to obtain the b…
ABSTRACT The sour-tasting kelubi fruit and the sweet-tasting fructose sugar can be combined to make syrup, a thick, high-sugar beverage product that also contains natural pumpkin pigment. The purpose of this research was to obtain the best concentration of kelubi fruit juice and fructose sugar in making kelubi fruit syrup. This research was conducted experimentally using a completely randomize…
ABSTRACT Shallots (Allium ascalonicum L.) are an important horticultural commodity that is used as a cooking spice. Shallots are a superior commodity that is intensively cultivated. In Riau Province, the availability of shallots is not sufficient for the needs of the community, but Riau has a low level of land productivity. Efforts made by using Liquid Organic Fertilizer (LOF) from coconut wat…
ABSTRACT The low productivity of shallots is due to the limited availability of fertile land in Riau Province. One way to overcome this problem is by using organic materials such as guano fertilizer. This study aims to determine the interaction between Guano Fertilizer and KCl, the single factor of guano fertilizer and KCl fertilizer, and determine the best combination for shallot growth a…
ABSTRACT Defective products are products that have the form of a finished product, but in a condition that is not in accordance with the standards set by the company. Products that experience defects affect the amount of production and production time if the product must be remade. The purpose of the analysis is to find the number of defects, the grade of paper that has defects, the effect of …
The Finishing Department is the final stage of the paperboard product production process, in this area there will be a process of grouping and packaging products based on customer requests. The packaging process has a main machine, namely a pallet packing machine which functions to package products using shrink film plastic material. The packaging process using these tools and materials has…
ABSTRACT The use of steam time and temperature during the preheating and prehydrolysis stages, as well as heating in the cooking process, has a significant impact on the final quality of dissolving pulp (AE). These two parameters result in P-Factors and H-Factors, which are important indicators in determining the quality of dissolving pulp (AE). Understanding the effect of P-Factor and H-F…
ABSTRACT The sedimentation rate in a slurry is the speed at which solid particles settle out of the liquid due to the force of gravity. A dispersant is a dispersing agent used to ensure that the particles in the GCC slurry remain stable, do not clump together, and do not settle. This study aims to determine the effect of dispersant dosage on the sedimentation rate, viscosity, and solid con…
ABSTRACT The manufacturing process of Ground Calcium Carbonate (GCC) involves wet grinding which requires a certain energy known as Specific Grinding Energy (SGE). This energy is critical in achieving the desired particle size and has a direct impact on the quality of the final product as well as the efficiency of the energy used in the process. This study aims to analyze the effect of pow…
ABSTRACT The DA stage is an important stage in the process of increasing brightness because the DA stage is a delignification stage to damage and separate the remaining lignin structure in the pulp. This study aims to determine the effect of temperature and time on brightness, fiber morphology and tensile strength. In this study, the DA bleaching process was carried out using chlorine dioxide …