ABSTRACT Sun bear with vulnerable status and high dependency to habitats now facing high habitat loss. Occupancy approaching with presence/absence method was used, since less sun bear information in PT. GAN. The objective of this research is to provide information about sun bear and its habitat use in PT. GAN, which leads to better sun bear conservation as well. Vegetation type vary among PT. …
ABSTRACT The productivity of chili in Indonesia is still very low compared to the yield potential, one of the reasons is that many chili plants are attacked by disease. Ralstonia solanacearum is one of the bacteria that attacks chili plants which causes wilt disease. One type of Indonesian herbal plant that has antibacterial activity is neem (Azadirachta indica) and bleeding heart vine (Clerod…
ABSTRACT Native chicken (Gallus gallus domesticus) is a livestock animal that is widely kept by the community because it is very easy to maintain. Native chickens are widely used as a staple food that contains animal protein. This study aims to determine the prevalence and intensity of ectoparasite attacks and describe the types of ectoparasites found in native chickens in Mandau Duri District…
ABSTRACT Lopang is an annual herbaceous plants that have been cultivated in Riau. This plant is also known by several local names, such as lopang, kanjat, and wild bitter melon. The scientific name of Lopang is Gymnopetalum cochinchinense L. Kurz. The scientific name for this species is still unclear due to the use of various common names and limited literature. This study aims to analyze the …
This study aims to determine the composition and diversity of plankton species in the waters of the Indragiri Hulu Kembar Lakes. The research location is in Kembar Lakes, Kelesa Village, Seberida District, Indragiri Hulu Regency and at the PMIPA Laboratory, Department of Biology Education, Teaching and Education Faculty, Riau University in October 2022. The method used is a survey by taking fou…
ABSTRACT Sebarau fish (Hampala macrolepidota) is native species to Indonesia with a wide distribution in Southeast Asia and has potential as a consumption fish and ornamental fish. H. macrolepidota can be found in diverse water conditions in Indonesia so this causes differences in morphological characters. Therefore, is it interesting to research it. This research aims to classify fish geograp…
ABSTRACT Dextran is an exopolysaccharide in the form of homopolysaccharide consisting of glucose units of α (1-6) chains that are sequential to each other and is commercially available which can be applied in the food industry or biomedical fields. Dextran is synthesized by bacteria by utilizing sucrose. Dextran-producing bacteria can be isolated from fruits or foods that contain sugar in the…
ABSTRACT Tembesu (Fragraea fragrans Roxb.) is a high quality wood producing plant. Some parts of the tembesu plant can be used as ingredients in medicines and perfumes. The large use of tembesu plants is not in line with the availability of tembesu plants. This is because tembesu seeds have small seed sizes and hard seed coats. Breaking the dormancy of tembesu seeds can be done with chemical c…
ABSTRACT Dextran is a homopolysaccharide α-glucan from glucose. Dextran has a diverse structure and properties so that it is widely applied in various industrial fields such as in the pharmaceutical field which is used as a drug carrier. Drugs have toxicity that is difficult to predict so they require drug delivery to more easily reach target cells and reduce drug side effects. Dextran has a …
ABSTRACT Anemia is a disease caused by a lack of red blood cells in the body. This disease affects 1.97 billion people globally, ranging from 50-80% of cases caused due to iron deficiency. Iron is most easily absorbed by the body, which is sourced from animal and vegetable foods. Baccaraurea macrocarpa (Miq) Mull. Arg has the potential to be an alternative treatment for anemia because it conta…
ABSTRACT Coffee Leaf Rust (CLR) disease is one of the main diseases of coffee plants including Liberica coffee. Liberica coffee is superior variety from Meranti Islands, Lim 1 and Lim 2, have been determined by Minister of Agriculture as resistant varieties against Coffee Leaf Rust (CLR). The largest group of resistance (R) genes is the genes encoding the NBS-LRR (Nucleotide Binding Site-Leuci…
ABSTRACT Felis domestica (cat) is an animal that is much liked and kept because of its characteristic shapeunique body, eye, and coat color. With these advantages become powerspecial attraction for cats to be maintained. This study aims to determine the types of ectoparasites in cats and determine the prevalence and intensity of attacks ectoparasites found in the District Mandau, City of Duri,…
ABSTRACT Microgreens have been widely developed from vegetables and herbs, whereas fruit-based microgreens have not been developed much. This is in line with the high level of papaya Callina consumption in Pekanbaru which results in a lot of unutilized papaya seed waste. Papaya seeds have a complex nutritional content that can be developed into microgreens. This study aims to analyze the feasi…
ABSTRACT Endophytic bacteria are microorganisms that symbiosis with plants without causing negative effects on plants. Generally, the compounds produced by host plants are in line with those produced by endophytic bacteria. Potential secondary metabolites of endophytic bacteria are antioxidant and α-amylase inhibitor. This research aims to isolate and test the ability secondary metabolites of…
ABSTRACT Riau University is one of to distribution area of Fabaceae family. The purpose of this study was to characterize the morphological characteristics of Fabaceae leaves in this area and to identify their phytochemical compounds. Sampling in the field was carried out by using the exploratory method. Leaf morphology were used to be analyzed using NTSys to constuct dendrogram. The secondary…
Ikan patin merupakan salah satu ikan air tawar yang cukup digemari oleh masyarakat. Kecamatan XIII Koto Kampar merupakan salah satu daerah yang banyak memproduksi ikan patin, khususnya Di Desa Koto Mesjid setiap harinya menghasilkan 3 sampai 4 ton ikan patin segar. Hasil tersebut umumnya dimanfaatkan oleh industri pengolahan hasil perikanan dalam bentuk segar maupun olahan. Di Desa Koto Mesjid …
This study aims to describe the conditions of learning history and historical awareness of students in the material for the National Muhammadiyah Organization Movement at MA Muhammadiyah Pekanbaru. This type of research is descriptive qualitative with data collection through interview guides, observation sheets and documentation recording forms. The main sources of this research were class…
This study aims to determine the types of medicinal plants by inventorying and identifying medicinal plants that are used as traditional medicine by the people of Benai District, Kuantan Singingi Regency. This research is a qualitative research. Data on the types of medicinal plants in Benai District, Kuantan Singingi Regency were obtained through interviews and direct observation at the r…
ABSTRACT Mango is one type of fruit that is most popular with the public. The use of mangoes is only for the flesh for consumption, while the skin and seeds are discarded, causing organic waste in the environment. This study aims to determine the content of secondary metabolites and antioxidant activity in the seeds mango of arum manis (Mangifera indica Linn.), kweni (Mangifera odorata Griff.)…
ABSTRACT Malay apple (Syzygium malaccense (L.) Merr & Perry) is a fruit plant in the Myrtaceae family, which has high economic value and nutritional content. The aim of this study was to determine the growth response of Malay apple leaf cuttings to treatment with coconut water concentrations. The research design used was a randomized block design with 5 treatment levels and 5 replications. The…