Gelidium spinosum is one type of red seaweed that is beneficial for human health. Gelidium spinosum is one of the raw materials that produce agar. Agar is a complex polysaccharide hydrocolloid composed of repeating disaccharides with units of (1,3)-linked β-D-galactose and (1,4)-linked 3,6 anhydro-α-L-galactose. These polysaccharides cannot be digested in the human intestine directly, so they…
The presence of red devil fish (Amphilophus labiatus) in Lake Toba has led to a reduction in the number of other fish species. Red devil fish contains fat between 3-5%. The purpose of the study was to determine the effect of temperature differences on the quality of red devil fish oil and get the best extraction temperature. The research method is an experimental method with a non-factorial Com…
This research aimed to determine the influence snakehead (Channa micropeltes) flour fortification and its optimal concentration on the quality of dry choux pastries. This study used a non-factorial completely randomized design (CRD) to test four levels snakehead flour addition to dry choux pastries. The treatments were T0 (0%), T1 (10%), T2 (15%), and T3 (20%), and each was repeated three times…
Native arenga starch has several disadvantages such as easy retrogradation and tends to be unstable to heat conditions. Heat Moisture Treatment modification was carried out on arenga starch to improve the physicochemical properties. Heat Moisture Treatment is a physical modification technique for starch by combining moisture and heat. This study aimed to optimize the heating time of modified ar…
Amino acids and antioxidants were compounds that can be synthesized through the metabolism of microorganisms. One of the microorganisms that can produce these two metabolites is Pediococcus acidilactici. The purpose of this research was to determine the interaction between the concentration of Pediococcus acidilactici InaCC B310 and the length of incubation time used in amino acid biosynthesis …
Corn (Zea mays L.) is a source of carbohydrates after rice in Indonesia. This study aims to determine the effect of trichocompost and rock phosphate fertilizer interaction and the best dose to increase the growth and yield of corn plants in Ultisol. The research was conducted experimentally from May to September 2024 using a completely randomized design (CRD) factorial consisting of two factors…
Agricultural and plantation waste is organic waste that is organic in nature. Generally, this waste is difficult to manage. One alternative for managing agricultural and plantation waste is through biological composting using cellulolytic bacterial bioactivators. Cellulolytic bacteria are bacteria that can produce cellulase enzymes so that they are able to degrade cellulose through the process …
Soursop (Annona muricata L.) is a plant of the Annonaceae family whose leaves and fruit have potential as a vegetable insecticide. A. muricata contains the active compound Acetogenin which is entered as a contact poison and stomach poison. Works by distrupting the digestive system, causing coagulation in the stomach. This study aims to obtain an effective concentration of soursop leaf extract (…
Oil palm (Elaeis guineensis Jacq.) is a major plantation commodity in Indonesia, with production reaching 45.58 million tons in 2022, an increase of 1.02% from the previous year. Expansion of plantation areas has included Dystrudepts soils, which cover 37.5% of Indonesia's land and are characterized by rapid drainage, low water retention, and poor aggregate stability. These limitations can be a…
Biodegradable plastic is plastic made from renewable raw materials. Biodegradable plastic can be made by utilizing starch from waste such as kepok banana peels. The research aim to obtain the best ratio between banana peel starch and cocoa pod husk cellulose to produce biodegradable plastic that meets the SNI 7818:2014. The research was conducted experimentally using a Completely Randomized Des…
The purpose of this research was to evaluate the quality control at PT. Rotte Ragam Rasa using statistical quality control methods. This research was conducted at Rotte Bakery Garuda Sakti and H.R. Soebrantas outlets. The data in this research was collected through field observations, interviews, and literature review. The data was analyzed using p-chart, process capability, quality cost analys…
The study aimed to assess the quality of oil palm fruit on several types of soil in Kubu District, Rokan Hilir Regency. The research was carried out on three lands based on differences in land distance from the beach, namely JT (I) = Gleisol soil type, JT (II) = Regosol soil type and JT (III) = Organosol soil type. This study used a survey method with data collection carried out by observation …
Jelly drink are soft drinks in the from of gel with a consistency between thin fruit juice and dense jelly. Pineapple can be processed into jelly drinks because they contain pectin, fiber and are in are rich in organic acids. Sago starch is a hydrocolloid that can be used in making jelly drinks, but sago starch produces fragile gel so it needs to be combined with carrageenan to cover the shortc…
Oil palm (Elaeis guineensis Jacq.) is one of the most widely cultivated plantation crops in Indonesia. Due to the annual expansion of oil palm plantations, suitable land for cultivation has become increasingly scarce. As a result, plantation development is increasingly taking place on suboptimal lands, such as sandy soils (Dystrudepts). Dystrudepts are characterized by sandy texture, low pH, an…
The extract of tuba root isa plant-based insecticide that can be used to control pests. The active ingredient in tuba root extract is sensitive to sunlight, which can reduce its effectiveness. An alternative solution to this issue is the addition of surfactants. This study aims to determine the effective concentration of surfactant added to tuba root extract against the mortality of armyworms o…
Red chili plants have high economic value due to the large number of consumer demands, both on a household scale and in the food industry. Increasing the productivity of red chili is needed in its cultivation to meet consumer demand. One effort that can be made is to carry out balanced fertilization. The addition of organic fertilizer has the potential to reduce the dose of inorganic fertilizer…
Red chili (Capsicum annuum L.) is a horticultural plant with high economic value. One effort to increase agricultural yields is by fertilizing both organic and inorganic fertilizers. Unbalanced use of inorganic fertilizers can have a negative impact on the environment, this can be overcome by combining inorganic fertilizers and organic fertilizers. The addition of organic material can be an eff…
Rice milling represents a crucial stage in the post-harvest processing of rice aimed at rice production. This research aimed to analyze strategies for business growth and ascertain the strategic focal points at the X rice milling enterprise in Bunga Raya District, Siak Regency through the application of SWOT and QSPM. An analysis of data involved the identification of both internal and external…
Crackers are a snack made from a mixture of starch or flour added with protein ingredients, as well as seasonings such as pepper, garlic, onion, and salt. The main raw material used in making crackers besides tapioca can be used cassava flour. This study aims to determine the effect of treatment and get the best ratio of cassava flour and tempeh flour on the characteristics physicochemical and …
Shallot (Allium ascalonicum L.) is a horticultura crops that is needed by the people of Indonesia. This study aims to determine the best doses of empty fruit bunch (EFB) ash on each shallot variety in peatland, to determine the interaction of shallot varieties with various doses of EFB ash in peatland and to determine the relationship, direct and indirect effects of shallot agronomic characters…