Introduction: Hyperglycemia mediates the production of excess free radicals and reduces endogenous antioxidant in type 2 diabetes mellitus (T2DM). Black soybean (BSB) is rich in antioxidant mainly from isoflavones, whereas the antioxidant of purple sweet potato (PSP) comes from high anthocyanin. The study aimed to evaluate the efficacy of BSB, PSP, and its combination on malondialdehyde (MDA), superoxide dismutase (SOD) concentrations, insulin and insulin receptor substrate-1 (IRS-1) expression in T2DM rats. Methods: T2DM induced by high-calorie diet for five weeks and then injected with a low dose of streptozotocin (30 mg/kg BW) intraperitoneally. The DM rats then treated with black soybean (DM + BSB), purple sweet potato (DM + PSP) and the combination of BSB and PSP 1:3, 2:2, 3:1 respectively (DM + C1-3). Treatments were given for thirty days. The effect of BSB, PSP and its combination evaluated by measuring SOD and MDA, necrosis in pancreas evaluated through hematoxylin-eosin (HE) and insulin and IRS-1 expression in pancreas through immunohistochemistry-fluorescence (IHC-F). Results: Our result indicated that there were no significant differences of BSB and the combination in decreasing MDA concentrations. The ratio of BSB and PSP combination of 2:2 increase SOD towards near normal, decrease necrosis, and improve insulin and IRS-1. Conclusion: The combination of BSB and PSP had the potential to improve insulin sensitivity through the increase of SOD, reduce necrosis, and improve insulin and IRS-1 expression. and Natural Sciences, Brawijaya University, Indonesia. Her research interest field is nutrigenomic. Currently, she has a research projects about garlic and their impact for health.
Overproduction of reactive oxygen species (ROS) will promote oxidative damage and can induce reproductive disorder. A therapeutic strategy to reduce effects of reproductive disorder is by maintaining the balance between ROS and antioxidants. Black soybean (BSB) contains phenolic compounds and has a greater antioxidant capacity than yellow soybean. Purple sweet potato (PSP) also has antioxidant capacity, due to the presence of anthocyanin, but is low in protein. The combination of BSB and PSP is expected to limit symptoms of reproductive disorder through decreasing ROS levels, enhancing testosterone production, and improve sperm quality. The results of this study indicate that the combination of PSP and BSB could restore blood glucose levels, improve seminiferous tubules diameter, decrease ROS production, and improve testosterone and sperm quality. A ratio of BSB to PSP of 2:2 and 3:1 were effective to improve symptoms of reproductive disorder in the type 2 diabetes mellitus (T2DM) rat model.
Background and Aim: Hyperglycemia increases advanced glycation end-product (AGE) production, and the activity of receptor for AGE (RAGE) in testis, which leads to testicular histopathological damage and infertility. This research investigated the effect of black soybean tempeh (BST), purple sweet potato (PSP), and its combination on AGE and RAGE expression and spermatozoa quality in streptozotocin (STZ)-induced diabetic rats. Materials and Methods: The rats were given high-fat diets for 5 weeks, then were injected intraperitoneally with multiple low doses of STZ (30 mg/kg body weight). Diabetes mellitus (DM) rats were divided into seven groups: DM, DM+glibenclamide, DM+BST, DM+PSP, and DM+combination of BST and PSP in ratio 1:3, 2:2, and 3:1 as C1, C2, and C3, respectively. The rats were treated for 30 days. Testicular AGE and RAGE expression and spermatozoa quality were measured. Results: The combination of BST and PSP significantly decreased AGE and RAGE expression in testicular organs and improved spermatozoa quality compared to the normal group. Conclusion: The combination of BST and PSP can be used as future alternatives to improve spermatozoa quality in DM patients.
Abstract. Wadi is a sort of traditional foods that made of fish from Dayak tribe in Central Kalimantan. Wadi is made by the addition of salt and lumu. People make wadi as a supply of side dishes during difficult seasons of fish and stock for farming, hunting, or collecting forest products. In wadi, there are several bacteria species that capable in degrading amylum and protein. The bacteria capability in amylum and protein degradation can be determined by calculating the hydrolysis index. The aims of this study are to: (1) identify the amylolytic bacteria and proteolytic bacteria species from wadi, (2) determine the amylum and protein hydrolysis index on each amylolytic bacteria and proteolytic bacteria species isolated from wadi, and (3) determine the amylolytic bacteria and proteolytic bacteria species that have the highest hydrolysis index. This research is descriptive explorative research. The research results showed that: (1) there were four isolates of amylolytic bacteria isolated from wadi, i.e: Enterobacter agglomerans, Pseudomonas fluorescens, Acinetobacter baumannii, and Micrococcus varians, and there were five species of isolated proteolytic bacteria from wadi, i.e: Enterobacter agglomerans, Pseudomonas fluorescens, Nitrococcus mobilis, Acinetobacter baumannii, and Micrococcus varians, (2) the amylum hydrolysis index of Enterobacter agglomerans is 3.77; on Pseudomonas fluorescens is 3.00; on Acinetobacter baumannii is 4.16; and on Micrococcus varians is 7.23. The protein hydrolysis index of Enterobacter agglomerans is 3.22; on Pseudomonas fluorescens is 2.25; on Nitrococcus mobilis is 1.67; on Acinetobacter baumannii is 3.42; and on Micrococcus varians is 3.45, (3) Micrococcus varians has the highest amylum, i.e: 7.23 and protein hydrolysis index is 3.45.Keywords: hydrolysis index, amylolytic bacteria, proteolytic bacteria, wadi.
Staphylococcus aureus is gram-positive bacteria that often infect the skin. S. aureus has been experiencing resistance to several antibiotics. One of the solutions to overcome the resistance is by using garlic that is believed by the society can overcome bacterial infection. The study aimed to find out the influence of the variation in concentration of local single clove garlic essential oil used on the inhibition and damage of morphological structure of S. aureus bacteria. The inhibition test was conducted using disc diffusion method. The experiment groups consisted of 1% DMSO as negative control, vancomycin 30µg/ml as positive control and single clove garlic essential oil (25 mg/ml, 50 mg/ml, 75 mg/ml and100 mg/ml) as treatment groups. The diameter of inhibition zone was measured using calipers. The morphological damage of the bacterial cells can be seen using Scanning Electron Microscopy (SEM) with magnification of 25000x. The result of Kruskal-Wallis test analysis indicated that the extract of local garlic essential oil has inhibitory activities against S. aureus bacteria (P<0.05). The damage to the morphological structure of bacterial cells with the administration of 30 µg/ml vancomycin was equal to 100 mg/ml single clove garlic essential oil extract. Single clove garlic essential oil can be used as an alternative treatment for skin infection diseases by inhibiting S. aureus growth.
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