Research List

No.	Researcher	Title	Abstract	Year
991	Phyo Phyo Khaing	MONTHLY VARIATION OF GREEN ALGAE (CHLOROPHYCEAE) AND THEIR CORRELATED WITH PHYSICOCHEMICAL PARAMETERS OF SEDAWGYI DAM, MANDALAY REGION	Monthly variations of green algae (Chlorophyceae) and water quality of Sedawgyi Dam, Madaya Township, Mandalay Region were studied from March to December 2018. Algal specimens and water samples were collected from three stations of Sedawgyi Dam. Physicochemical parameters of water samples such as pH, temperature, alkalinity, total hardness, nitrite nitrogen, phosphate, biological oxygen demand and dissolved oxygen were also analyzed. In the present study, a total of 14 genera and 37 species of green algae (Chlorophyceae) were recorded. The green algae specimens of Sedawgyi Dam consisted of Chlorococcum (1 species), Tetradon (1 species), Selenastrum (1 species), Kirchneriella (1 species), Coelatrum (2 species), Scenedesmus (5 species), Pediastram (10 species), Closterium (4 species), Cosmarium (3 species), Spondylosium (2 species), Arthrodesmus (1 species), Staurastrum (4 species), Stauradesmus (1 species) and Eurastrum (1 species). The algal specimens were found to be more abundant in April and May and less abundant in July to September. The physio-chemical data analysed in Sedawgyi Dam indicates that the lake is at present free from pollution.	2020
992	Ohnmar	STUDY ON SOME HEAVY METAL CONTENTS, NUTRITIONAL VALUES AND ANTIMICROBIAL ACTIVITY OF RHIZOME OF COSTUS SPECIOSUS (KOEN.) SM.	Costus speciosus (Koen.) Sm. is locally known as Phalan-taung-hmwe and belongs to the family Costaceae. In this research, the plant was collected from Hpa-an Township, Kayin State during June to October, 2017. In this study, atomic absorption spectrophotometer (AAS) analysis, nutritional values and antimicrobial activity of rhizome of Costus speciosus (Koen.) Sm. were undertaken. The content of heavy metals was analyzed by using Atomic Absorption Spectrophotometer(AAS). In according to the results of atomic absorption spectrophotometer, only cadmium (0.004 ppm) is found among heavy metals. Therefore, the level of cadmium in Costus speciosus (Koen.) Sm. was below the standard limit considered safe for human consumption and did not give harmful effect on human health. The experiment for the nutritional values of Costus speciosus (Koen) Sm. was carried out at the Food Industries Development Supporting Laboratory (FIDSL), Yangon. According to the results, the carbohydrate content in rhizome was higher percentage than others. In antimicrobial activities, the different solvent extracts were investigated with six types of microorganisms by using agar well diffusion method. According to this experiment, ethyl acetate extract showed most significant antimicrobial activity against Bacillus subtilis, Staphylococcus aureus, Pseudomonas aeruginosa, Bacillus pumalis and Candida albicans.	2020
993	Thwe Thwe Oo	SEPARATION OF FATTY ACID BY FUNCTIONAL SBA-15, AG/SBA- 15 AND CHARACTERIZATION OF AG- NANOPARTICLE	Rubber (Hevea brasiliensis L.) seed oil was collected and tested at the International joint research center , Southwest Forestry University in Kummin from Yunnan Province in China ,in 2017-2018. These oil extract fatty acid methyl ester (FAME) samples were separated the derivatives of fatty acid by using two catalytic reaction. The samples catalyst of Santa Barbara Amorphous -15 (SBA -15) and silver Santa Barbara Amorphous -15(Ag /SBA- 15) were characterized by X-ray diffraction (XRD), Scanning electron micrograph (SEM), transmission electron microscopy (TEM), N2 adsorption � desorption isotherm for the characterization of Ag nanoparticle. Ag nanoparticle was found pore size and pore volume 8.628nm and 0.989755 cm3 /g. Moreover this FAME are mixed with SBA-15, Ag/SBA -15 catalysis were produced fatty acid derivatives. These mixing of fatty acid methyl ester (FAME) were conducted for characterization and identification by checking with FTIR and GC/Mass. Ten fatty acids was converted from the fatty acid methyl ester.	2020
994	Thi KhaingHtay	MORPHOLOGICAL AND HISTOLOGICAL STUDIES OF GNETUM GNEMON L. (TANYIN-YWE) FROM YE-PHYU TOWNSHIP	The Gnetum gnemon L. is an indigenous plant from Thaninthayi Region. The specimens were collected from Ye-Phyu Township, during July 2018 to January 2019. Its aerial parts such as leaves, strobili and seeds are used by local people for food. The main purpose of this study was to examine the morphological and histology of the leaves, stems, roots and seeds of Gnetum gnemon L. The morphological features were described. The specimens were evergreen dioecious small trees, the leaves were simple, opposite, lanceolate to elliptic, and exstipulate. The male strobilus has 5-9 involucral collars, each collar contains 3-6 male flowers, stamen 1, adnate to the base of perianth, anther bifid. The female strobilus was 5-9 collars, each collars with 3-6 female flowers, without perianth, orthotropous ovule, pendulous placentation. The seeds were large and drupe. The distinguished histological characters of Gnetum gnemon L. revealed paracytic type of stomata in lower surface view of lamina only, pitted non lignified tracheary elements occurred in both surface view of lamina, cortex region of petiole, midrib and stem as well as in roots. Asterosclereids are commonly found in the whole plant parts except T.S of lamina. The vascular bundles in T.S of stem are collateral and close type. In addition, starch containing parenchymatous cells is found only in phelloderm region of mature roots. Moreover, the seed coat comprises sarcotesta, sclerotesta and inner endotesta regions. Underneath the seed coat is the endosperm containing starch grains and proteinaceous globules.	2020
995	Chaw Thiri Mon	TAXONOMIC STUDIES OF WILD MUSHROOMS DISTRIBUTED IN BANMAUK AND INNTAW TOWNSHIPS	The taxonomic studies of wild mushrooms distributed in Banmauk and Inntaw Townships were undertaken. Those mushrooms were collected from June to October during the year 2018 and identified in Department of Botany, Monywa University. Fifteen species belonging to 10 genera of 9 families were resulted. The identified species were under the genera Amanita, Termitomyces, Tricholoma, Auricularia, Scleroderma, Cantharellus, Phallus, Lentinus, Lactarius and Russula. The volva were present in Amanita fulva Fr. and Phallus indusiatus Vent. while these were not possessed in remaining species. The stipe was spongy in Phallus indusiatus Vent. Among the 15 species, only the members of the genus Lactarius have exude of milky latex. According to the literature nine species were edible and six species were inedible. These finding will be one of the valuable information for the future researchers and compilation on mushroom flora of Myanmar.	2020
996	Htay Htay Myint	STUDY ON MORPHOLOGICAL, PHYTOCHEMICAL INVESTIGATION AND ANTIMICROBIAL ACTIVITIES OF SARACA INDICA L. (THAW-KA)	The medicinal plant Saraca indica L. belongs to the family Caesalpiniaceae. This plant is known as Thaw-ka in Myanmar. The specimens were collected from Dagon University, East Dagon Myothit Township, Yangon Region, during the flowering and fruiting period, February to June, 2019. In this research morphological characters, preliminary phytochemical tests and antimicrobial activities tests were studied. In the morphological study, the plant was small tree, dark green leaves and grey to dark brown barks. The leaves contain glycoside, tannin, steroids, carbohydrate, ?-amino acid, alkaloid, saponin, phenolic compound and terpenoid. Reducing sugar, and starch were absent. The antimicrobial activities were carried out by agar well diffusion method on six types of test microorganisms. Ethanol extract and acetone extract showed the significant activities on all test microorganisms. Methanol extract showed the moderate against on all test organisms and ethyl acetate, chloroform and pet ether extracts showed the negative results for all types of test microorganisms.	2020
997	Yee Yee Nwe	PHYTOCHEMICAL INVESTIGATION INTO LEAVES OF ELSHOLTZIA BLANDA (BENTH.) BENTH. AND ITS ANTIMICROBIAL ACTIVITY	Elsholtzia blanda (Benth.) Benth.is an aromatic an annual herb, locally known as Ar-pu-ywat which belongs to family Lamiaceae. It�s distribution extend to Bangladesh, India, Malaysia, China and Myanmar especially in Rakhaine state. This plant is commonly used as traditional herbal medicine as well as vegetable and spices. After the sample collection in Yepawgyi village, Taunggoke Township, the genus and species were checked by studying the morphological characters with available literatures. The present work was conducted during February 2017 to July 2018 and mainly deals with photochemical analyses, antimicrobial activity of leaf-extracts and elemental analyses of dried powdered leaves. The results of phytochemical analyses indicated the presence of glycosides, reducing sugar, steroid, carbohydrates, phenolic compound, terpenoid, flavonoid, netural compound, alkaloid, saponin, ?-amino acid and tannin in the leaves. The cyanogenetic glycoside was not detected. The elemental analysis on the dried leaves of Elsholtzia blanda (Benth) Benth revealed that a part from hydrocarbon (91.45%), the most abundant elements were K (4.5%), Ca (2.3) and Si (0.97%). The antimicrobial activity of leaves extracted by acetone, butanol, ethanol, ethyl acetate, methanol, pet-ether and water was studied. The acetone, butanol, ethanol, ethyl acetate and methanol showed distinct inhibitory effects on Bacillus sublilis, Staphylococcus aureus, Pseudomonas aeruginosa, Bacillus pumilus, Candida albican, Escherichia coli and Agrobacterium spp. The ethyl acetate extract possessed the highest antimicrobial activity on seven test organisms. The pet ether and water extracts did not inhibit the test organisms.	2020
998	Ei Khaing Thwe	EFFECTS OF PLASTIC MULCHING ON GROWTH, YIELD AND COST AND RETURN ANALYSIS OF CAPSICUM ANNUUM L. VAR. ANNUUM CV. ACCUMINATUM FINGERH	The field experiment was conducted at Aungmyinttar Quarter, Magway Township from June to November 2017. In the experiment, two different plastic mulches were transparent, black and control (without mulch).Soil temperature and moisture had no significant were observed. Significant differences on plant height, number of leaves, fresh weight of fruit and harvest index of chili pepper were observed. According to the results of different plastic mulches, T2 black was tallest plant height (22.33cm), maximum number of leaves (30.91), fresh weight of fruit (16.94g) and harvest index (12.46) compared to other T1 transparent and T3 control. Production of chili pepper by using plastic mulch was more cost than the fruit production without using the plastic mulching, however, higher yields in the plastic mulched chili pepper fruits than fruits without using it in 2017. The results of 2017, using black plastic mulch gave the highest profit in all treatments and the use of transparent plastic mulch profited five times than without plastic mulch (control). There was a very high difference between black plastic mulch and control. The results clearly suggested that using the black plastic mulch can be performed the best yield components and yields of chili pepper production.	2020
999	Thida Than	ISOLATION AND FERMENTATION CONDITIONS OF SELECTED SOIL FUNGUS TT-27 BETWEEN YENANCHAUNG AND MAGWAY TOWNSHIP, MAGWAY REGION	Six soil samples were collected from six different places of Magway and Yenanchaung Township, Magway Region. Twenty-nine fungi were isolated from these soil samples. Isolation of soil fungi were carried out in Biotechnology Development Center (BDC) from Pathein University. Isolations of fungi were undertaken by the serial dilution method, and cultured on Blakeslee�s Malt Extract Agar (BMEA Medium), Czapek-Dox Agar (CZA Medium) and Malt Extract Agar (MEA Medium). The isolated fungi were given as TT-1 to TT-29. In the preliminary study of antimicrobial activity, all fungi were evaluated by agar well diffusion method with seven test organisms. Among them, four fungi TT-22, 23, 24 and 27 exhibited the highest antimicrobial activities. Especially, TT-27 showed the highest antimicrobial activity (39.10mm) on Escherichia coli. Therefore TT-27 was selected and the fermentation conditions of TT-27 were carried out by the study of fermentation period, proper age, size, different carbon and nitrogen sources, fermentation medium (FM), effects of pH, temperature, static and shaking culture.	2020
1000	Phyu Phyu Aung	ISOLATION AND FERMENTATION CONDITIONS OF SOIL FUNGUS PP-15 FROM GAWECHAUNG FORT	Soil samples were collected from six different places of Gawechaung fort, Magway Township, Magway Region. Thirty fungi were isolated from these six different soil samples. Isolations of fungi were undertaken by the serial dilution method and cultured by using Blakeslee�s Malt Extract Agar (BMEA Medium), Czapek-Dox Agar (CZA Medium) and Malt Extract Agar (MEA Medium). Isolated fungi were given as PP-1 to PP-30. Antimicrobial activities of these fungi were evaluated by agar well diffusion assay with seven test organisms. Among them, ten fungal strains showed the antimicrobial activity.Especially, PP-15 gave the best antibacterial activity on Agrobacterium tumefaciens NTTE 09678.Therefore, different fermentation parameters of PP-15 were studied by the fermentation period, proper age and size of inoculums, effect of various carbon and nitrogen sources, pH, temperature, fermentation medium, shaker and static on Agrobacterium tumefacines.	2020

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