Bitter melon (Momordica charantia L.) is a tropical plant that has various benefits, one of which is lowering blood glucose levels. The components that can reduce blood glucose levels in bitter melon fruit are momordicin, charantin, and polypeptide-p. The purpose of this research was to determine the effect of bitter melon extract on the blood glucose levels of white rats. The research used a C…
Subterranean termites are abundantly present in the tropical regions, including in lowland tropical forest ecosystems. The eusocial insects live in colonies that build subterranean nests that cause ground surface to expand into mounds or domes. They alter land surface flatness and the activities of the insects have been reported influencing the physical and chemical characteristics of the soils…
Banana production tend to decline, particularly due to Fusarium wilt disease caused by Fusarium oxysporum f. sp. cubense tropical race 4 (Foc TR 4). Fusarium wilt is a soil-borne disease causing plant to wilt, discoloration of the pseudostem, and finally death of the whole plant. One of strategies that can be taken is by providing banana germplasms that is resistant to Foc TR 4 disease. This st…
Bananas are widely utilized since they contain carbohydrates and vitamins. Banana production in Indonesia is threated by plant diseases, especially Fusarium wilt. Fusarium wilt is a soil-borne disease caused by infection from Fusarium oxysporum f.sp. cubense. Identification of resistant bananas to Fusarium wilt disease can be analyzed using molecular markers SCAR (Sequence Characterized Amplifi…
The decrease in the amount of forest wood causes the need for another alternative, namely bamboo. Bamboo is able to grow quickly and elastically but is vulnerable to attack by intruding organisms. This study aims to determine the mechanical, physical, and biological properties of Bambusa vulgaris, Dendrocalamus asper, and Gigantochloa pruriens from Kampar Regency as an alternative to wood, find…
Liquid waste from palm oil processing factories is one of the wastes that has great potential in environmental pollution. The purpose of this research was to determine the ability of water hyacinth plants as phytoremediator at several concentrations of liquid waste from palm oil processing factories. The research used a Completely Randomized Design with 4 treatments (effluent concentration: 30%…
Trichomes are often found on epiphytic ferns, especially at the rhizome. Trichome characters plays an important role in taxonomic studies. This study aims to characterize trichomes at rhizomes of epiphytic ferns in the Riau University area. The sampling method used the exploration method. The trichome preparation process uses the incision method. Trichome preparations were observed using LCD mi…
Gymnosperm is closed or naked seed plant because the seed is not enclosed in the ovary. This plant group has various morphological characters. This study aims to determine the diversity of Gymnospermae species in Pekanbaru, Riau based on morphological characters. Sampling was done by exploration method, herbarium was made to help identification and morphological characterization. Morphological …
Macaca fascicularis is one of the attractions of the Tame Ape Park in Sekodi Village, Bengkalis Regency. This study aimed to count the number of groups of 'tame' M. fascicularis; determine the time required by visitors to see M. fascicularis; and identify M. fascicularis as a tourist attraction in the park. The methods used were: survey of environmental conditions and direct observation using t…
Mango (Mangifera spp.) is a fruit bearing plant belonging to the Anacardiaceae family. Mangifera sumatrana is a semi wild or semi cultivated type of mango. M. sumatrana leaves contain high levels of antioxidant, phenolic and flavonoid compounds and have potential as an antibacterial candidate. This study aims to test the antimicrobial activity of methanol extract of Mangifera sumatrana leaves a…
This research aims to determine the validity of the developed STEM Entrepreneurship e-module teaching materials on biotechnology and the influence of the developed e-module on students' creative thinking and life skills on biotechnology material. This research consists of two stages, that is the first stage of development e-module using Research & Development through the ADDIE approach in the…
Electronic LKPD as teaching materials have been developed by several researchers before, do not include integration with Science, Environment, Technology and Society and have the advantage of more interactive features. This research aims to develop an interactive E-LKPD with SETS-oriented Liveworksheets on Human Body Defense System material that is valid, practical and effective for use in high…
21st century education for students requires learning that is no longer just conventional academic learning that emphasizes educational authority in learning, but rather education that offers learning services that enable them to collaborate, communicate, solve problems, think critically, be creative and innovative. To realize the challenges of the 21st century and industry 4.0 which uses techn…
21st century skills refer to the skills that a person needs to face the challenges of the 21st century which are active globally, digital transformation, collaboratively moving forward, increased creativity, competent search for resources and quickly adapting to change. 21st century skills are grouped into three components, namely basic literacy such as cultural literacy and citizenship, compet…
TPACK is the basis for effective teaching with technology, the pedagogical ability to use technology to teach in a constructive way. TPACK needs to be possessed by every teacher or prospective teacher because it is closely related to the four main competencies of teachers, one of which is social competence. Academic procrastination is a tendency not to start a job immediately and avoidance due…
The 21st century is also known as the era of science and communication. To face the challenges of the 21st century, quality human resources are needed through the education sector. This research aims to determine the validity, practicality and improvement of students' critical thinking skills and environmental care attitudes by using teaching materials for wetland ecology modules based on Educa…
Basal Stem Rot in oil palm tree caused by Ganoderma sp. is the most destructive disease for both adult and young plants in Indonesia. The use of endophytic bacteria as biocontrol agents has several advantages such as relatively cheap prices, easy application, and environmental friendly. The research was conducted to isolated and tested the antifungal activity of endophytic bacteria of Sentul fr…
Tristaniopsis obovata Benn. is one of the herbal plants that often used for the treatment of various diseases because it has secondary metabolite compounds such as flavonoids, saponins, tannins and steroids/triterpenoin. Some compounds are known to have antioxidant activity that can affect hematological profiles. This study aims to determine the effect of toxicity of ethanol extract of T. obova…
This research aims to determine the Work Coordination of the Front Office Department with Housekeeping at The Zuri Pekanbaru Hotel. the form of coordination between the front office department and housekeeping still has miscommunication but can still be corrected, for the factors that influence work coordination between these departments has been running quite well, while the inhibiting factor …
Lactic acid bacteria (LAB) are bacteria that are safe for human consumption. Tempeh is a substrate that can be metabolized by lactic acid bacteria (LAB) so that it can be utilized to maintain the balance of intestinal microflora. The probiotic properties of LAB contained in tempeh need to be tested biochemically. The purpose of this study was to isolate LAB from tempeh and determine the potenti…