Rhizophora apiculata Bl., is a type of mangrove plant that can be utilized, especially in the leaves which are rich in bioactive compounds. The benefits of R. apiculata leaves are their ability as antioxidant agents. Therefore, further efforts are needed to identify other compounds contained in R. apiculata leaves and their bioactivity. This study aims to determine metabolite profiling, compoun…
This study was conducted to determine the effect of the application of e-modules based on project-based learning with local content of South Sumatra on biodiversity material on critical thinking skills of students in class X SMA Negeri 16 Palembang. The research method used in this research is the experimental method. The type of research used is Quasi Experimental research with the research de…
Organic waste can be minimized by using a bioconversion agent, namely Black Soldier Fly maggot. BSF maggots need good food so that they can speed up their life processes and the process of digesting food. The aim of this research was to determine the best feed composition with the addition of purple sweet potato flour, coconut dregs and pineapple peel on consumption rate, conversion efficiency …
BSF maggots are organisms that can decompose waste quickly. The life cycle of black soldier flies is maggots (larvae), prepupae, pupae and adult insects. Sweet potato flour as a prebiotic contains fructo-oligosaccharides (FOS) and Raffinose which can increase immunity, kill pathogenic bacteria, and balance microorganisms in the digestive tract of BSF maggots. This study used a Completely Random…
Free radicals are the result of the respiration process. Free radicals are very dangerous for the body because they can cause various diseases such as premature aging, cancer, atherosclerosis, lung disorders, kidney diseases, cataracts, rheumatism and diabetes mellitus. Antioxidants are involved in protecting the human body from damage caused by free radicals. Mempelas plants contain antioxidan…
Epilachna admirabilis pests are a threat to horticultural crops, while chemical insecticides can cause resistance, environmental pollution, and health risks. A more environmentally friendly alternative is plant-based bioinsecticides, such as gambir and neem extracts, which contain active compounds catechins, tannins, and azadirachtin. This study aims to test the effectiveness of gambier and nee…
Free radicals generated by the body due to environmental factors such as pollution, UV rays, and stress can cause oxidative stress that contributes to degenerative diseases such as cancer and cardiovascular disease. Antioxidants can help neutralize free radicals, and natural sources from plants are considered safer than synthetic antioxidants. One source of natural antioxidants comes from the l…
A degenerative disease is a health condition that causes damage or a gradual decline in the function of the body's organs and tissues. One of the main factors that trigger degenerative diseases is the presence of free radicals, which are reactive molecules that can damage body cells. To combat the adverse effects of free radicals, the body needs antioxidants, which are compounds that can neutra…
This research aims to determine the growth response to bangle rhizomes (Zinger purpureum Roscoe.) at varying concentrations of Plant Growth Promoting Rhizobacteria (PGPR). PGPR plays a role in improving plant development by synthesizing and controlling the concentration of several phytohormones (growth regulators) in the root environment. This research was carried out from February to October 2…
Bitter ginger (Zingiber zerumbet (L.) Roscoe ex Sm.) is one of the Zingiberaceae plants that has long been used by the Indonesian people for medicine and cooking spices. One of the biofertilizers that can be used in the propagation of bitter ginger is Plant Growth Promoting Rhizobacteria (PGPR). The long harvest time makes the production of bitter ginger take quite a long time to cultivate. The…
Bangle (Zingiber purpureum Roscoe.) is a herbaceous plant that grows in lowlands to highlands and is used in traditional Indonesian medicine, especially its rhizome. This plant has properties to treat fever, stomach ache, and gout, and contains saponins, flavonoids, essential oils, tannins, steroids, triterpenoids, and antioxidants. Plant growth regulators (PGRs) such as gibberellin and IAA can…
Organic waste is the remaining materials of human activities that are easily decomposed such as fruit and vegetable peels which cause environmental pollution and health problems, for this reason, organic waste management is carried out into a fermentation solution product of organic waste skin with brown sugar and water. Organic waste fermentation solution contains acetic acid and alcohol as we…
Elephantiasis disease is caused by filarial worms through its main vector, Culex spp. Mosquito control efforts that are safe for the environment use natural attractants using trapping. The purpose of the study was to determine the number and type of mosquitoes trapped, the concentration that has the most potential to attract Culex spp. mosquitoes and the effect of environmental conditions. The …
Cricket pest attacks can cause plants to become hollow so that it can cause a decrease in plant quality and productivity and even kill plants. One of the efforts to overcome this problem with bioinsecticides of African leaf extract (Vernonia amygdalina Del.) which contains toxic compounds to cricket. The purpose of this study was to obtain secondary metabolite compounds of African leaf extract,…
Styrofoam is a non-biodegradable plastic because its high molecular weight and stable structure make this plastic waterproof and hard, difficult to decompose in nature,causing natural pollution on land and at sea. There is a need for alternative solutions to the problem of waste in the environment. T.molitor larvae use a digestive mechanism that involves enzymes and collaborates with bacteria i…
Penggunaan pestisida kimia yang tidak memperhatikan lingkungan dapat menimbulkan dampak negatif bagi lingkungan dan kelangsungan hidup manusia. Daun kirinyuh (Cromolaena odorata L.) dapat dikatakan sebagai salah satu jenis tanaman yang dapat dimanfaatkan sebagai bahan insektisida nabati. Penelitian ini bertujuan untuk mengetahui kemampuan ekstrak etanol daun kirinyuh (Chromolaena odorata L.) te…
Radikal bebas yang berlebihan di dalam tubuh akibat dari gaya hidup yang tidak sehat, dapat diredam dengan menggunakan antioksidan. Antioksidan alami sangat dibutuhkan oleh masyarakat sekarang dikarenakan tidak menimbulkan efek samping terhadap kesehatan. Salah satu sumber antioksidan alami berasal dari tumbuhan famili Piperacea, yaitu spesies Piper aduncum L. Tujuan penelitian ini adalah untuk…
Water hyacinth can potentially be used as a food source for Hermetia illucens L. due to its high nutritional content. In addition, as an effort to overcome environmental problems. One of the efforts to improve nutrition in water hyacinth (Eichhornia crassipes) by fermenting it with the addition of EM4. The purpose of this study was to determine the effect of the length of fermentation of water …
Limbah styrofoam merupakan sampah yang sulit terurai dan T. molitor dapat mendegradasi sryrofoam yang disebabkan ada bakteri di dalam usus T. molitor seperti Exiguobacterium sp strain YT2. T. molitor membutukan pakan yang baik untuk berperan dalam proses degradasi styrofoam dan meningkatkan pertumbuhan. Pakan yang baik yang mengandung nutrisi seperti penambahan ampas tahu dan ragi. Tujuan penel…
Sukawinatan landfill leachate is one of the sources of heavy metal pollution and can affect the surface water quality of surrounding settlements. It is known that the lead content is 2.103 mg/L. The lead content can be reduced by the adsorption method using adsorbents. Adsorbents can be made from organic waste such as banana peels. Banana peel contains pectin and cellulose which can be used in …
Fruit flies are pests in the cultivation of fruit and vegetable crops. As a result of the presence of fruit fly pests, it is very detrimental to agricultural production because it causes damage intensity up to 100% or crop failure. Artificial or chemical insecticides are a pest control used by the general public at this time which in the long term there are dangers caused. Therefore, it is nece…
Cephalopachus bancanus is a primitive primate distributed in western Indonesia and is now classified as a protected species on the IUCN red list as Vulnerable. Cephalopachus bancanus populations from South Sumatra and Bangka Island are the same sub-species, the geographical isolation that has formed affects the distribution and genetic variation. Specific genetic markers are needed as an effort…
Pests are organisms that cause damage to plants, with disturbances that have an impact such as attacks on plants. The grasshopper is one of the factors inhibiting crop production, because it can attack plants. Control with chemical pesticides can be detrimental to health and the surrounding environment, an alternative is needed. Tembesu contains polar compounds that can act as insecticides. The…
Skin infections can be caused by pathogenic activity from bacteria, fungi, viruses and allergic factors that cause inflammation in the epidermis and dermis layers of the skin. One skin infection that often occurs due to bacterial activity is acne, the bacteria that cause acne is Staphylococcus epidermidis. Treatment of acne is usually done using antibiotics both orally and topically, but contin…
PT Pupuk Sriwidjaja (PUSRI) Palembang is one of the largest fertilizer industrial factories in Indonesia. Production activities in industrial areas will affect the quality of the air. Air pollution comes from factory activities as well as motor vehicle exhaust and forest burning. Providing green open space aims to rehabilitate air quality. This research aims to determine the tolerance of severa…
The problem that farmers often face is pest attacks. These pest attacks often cause problems for farmers, such as crop failure which causes huge losses. One of these pests is crickets which damage plants by biting and eating young stems. People generally use vegetable insecticides which have bad impacts, so the alternative is to use vegetable insecticides. The aim of this research is to determi…
Penambangan batubara merupakan komponen berpengaruh dalam menunjang ketersediaan energi yang umumnya dilakukan secara terbuka (open pit) sehingga terbentuknya air asam tambang. Logam berat yang terkandung di dalam air asam tambang salah satunya berupa unsur besi (Fe). Unsur logam Fe yang melebihi standar baku mutu akan mengancam kebersihan lingkungan dapat membahayakan manusia. Metode alternati…
Acid mine drainage is water that is formed at mining sites with a low pH value of 1.5 to 4. Management of acid mine drainage should be carried out at every mining company in accordance with the obligations based on Minister of Energy and Mineral. One of the efforts to cope with aquatic plants requires input to be able to grow, namely the addition of compost/organic fertilizer, namely using empt…
Diabetes mellitus which has quite high numbers means DM is often treated with chemical drugs. For this reason, traditional treatment is required, including the use of insulin leaves (Thitonia diversifolia (Hemsley) A. Grey), which contain bioactivity suitable for the treatment of DM. This research aims to determine the content of compounds that act as antidiabetic agents, the dominant compounds…
The batik industry has an important role in the Indonesian economy, but the large number of batik industries in Indonesia is not matched by proper wastewater treatment. One of the components of batik wastewater is the synthetic dye Naphthol ASBO-Blue B. Biological treatment of dye waste with bacteria as a biodecolorization agent needs to be done to reduce the negative effects caused by dye wast…