Biotechnology: Recent submissions
Now showing items 1161-1180 of 1320
-
Isolation of active compounds from root of Eurycoma Longifolia (Tongkat Ali) and testing anti -oxidant activity
(International University HCMC, Vietnam, 2013)Three quassinoids extracted from roots of Eurycoma longifolia: eurycomanone, epoxyeurycomanone and eurycomalactone, were isolated by silica gel column chromatography and medium pressure liquid chromatography (MPLC). ... -
Isolation and optimization of growing condition of Enterobacter spp from traditional fermented soybean for high fibrinolytic enzyme production
(International University HCMC, Vietnam, 2013)Fibrinolytic or thrombolytic agents can convert plasminogen to plasmin, which hydrolyzes fibrin clots to avoid thrombosis in blood vessels, one of main causes of cardiovascular diseases. The objective of this study ... -
In-vitro antifungal activity of different combination ratios of alpinia galanga (white ginger) root and piper betle (betel) leaf extraction.
(International University HCMC, Vietnam, 2013)Antifungal activity of methanolic extract of Alpinia galanga (A. galanga), Piper betel (P. betel) and their combinations were examined. The well-diffusion and microdilution methods were used to determine the antifungal ... -
In vitro study on antioxidation activities of crude polysaccharide extracted from Amauroderma subresinosum (black Lingzhi)
(International University HCMC, Vietnam, 2013)In recent, polysaccharides have been extracted from Ganoderma lucidum (Lingzhi) by many scientists in China, Japan, and Vietnam for a large number of biological activities such as antioxidant and antitumor activity. The ... -
In -Vitro selection of ciprofloxacin and levofloxacin - resistant Pseudomonas aeruginosa for investigating flouroquinolone resistance mechanisms
(International University HCMC, Vietnam, 2013)Flouroquinolone (FQ) resistance mechanism was investigated in laboratory-derived resistant Pseudomonas aeruginosa strains. In order to do that, pure strain of Pseudomonas aeruginosa ATCC 902 ... -
In -Vitro investigation on antioxidant and anti-diabetic activity of spondias cytherea fruit extract
(International University HCMC, Vietnam, 2013)Spondias cytherea fruit extracts were analyzed for chemical compositions, antioxidant and anti-diabetic activities. Two steroids, β-sitosterol and β-sitosteryl-3- β-D-O-glucopyranoside were isolated. Their structures were ... -
Ginger (zingiber officiale roscoe) oleoresin extraction with supercritical CO2: effect of flow rate, co-solvent and microwave treatment
(International University HCMC, Vietnam, 2013)Oleoresin from ginger (Zingiber officinale Roscoe) containing gingerols and shogaols is a good source of pungent compounds and antioxidants. Extraction of ginger oleoresin with supercritical CO2 was studied by evaluating ... -
Fermentaion of grape juice drinking by Kombucha layer
(International University HCMC, Vietnam, 2013)Kombucha is a refreshing beverage obtained through the fermentation of sugared grape juice with a symbiotic culture of acetic bacteria and fungi consumed for its distinct antibiotic effects against the number of disease ... -
Examination the relationship between the mutation of SIPA1 and breast cancer Vietnamese women
(International University HCMC, Vietnam, 2013)The genetic population study was performed to see the association between one SNP of SIPA1 genes, which is a breast cancer associated gene in Australian, and breast cancer in Vietnamese. An ARMS-PCR was designed for screening ... -
Evaluation of pharmacological activity of flavonoids in Euphorbia Thymifolia Linn
(International University HCMC, Vietnam, 2013)This study investigates antioxidant and antidiabetic activity of ethyl acetate extract of Euphorbia Thymifolia Linn and two flavonoids, Luteonin (EL01) and quercetin-3-O- arabinofuranoside (EL02), were purified and ... -
Evaluation of antidiabetic activities of Euphorbia Thymifolia linn ethanolic extraction on mice model of diabetes
(International University HCMC, Vietnam, 2013)The search for traditional medicine in curing diabetes has been of interest to many scientists. Euphorbia thymifolia Linn. is small prostrate herbaceous annual weed in Vietnam. The effect of ethanolic extract of ... -
Evaluating the alpha-glucosidase inhibition of Artocarpus altilis Fosberg (breadfruit) leaves
(International University HCMC, Vietnam, 2013)This study investigates the effect of Artocarpus altilis (Parkinson) Fosberg leaf extracts on -glucosidase activity. Among the extracts tested, Ethyl Acetate extract exhibited a potential -glucosidase inhibitory activity ... -
Engineering low cost medium for a potenial large scale culture of Dunaliella bardawil in Viet Nam
(International University HCMC, Vietnam, 2013)Dunaliella bardawil is a unicellular, marine, green microalgae, that can produce high amounts of beta-carotene (pro-vitamin A), up to 10% of dry weight under appropriate stress conditions. High biomass ... -
Effect of salinity on growth and feed utiliztion of Nile tilapia (Oreochromis niloticus) and red tilapia (Oreochromis spp.)
(International University HCMC, Vietnam, 2013)Nile tilapia (Oreochromis niloticus) and red tilapia (Oreochromi sp.) are important aquaculture species in Vietnam. The aim of the current study was to assess the growth performance and feed utilization of Nile ... -
Development of an Elisa to detect melamine in milk product
(International University HCMC, Vietnam, 2013)Research outlines the application of thedirect competitiveenzyme-linked immunosorbent assay (ELISA) for the analysis of melamine in milk products. Compared with other instrumental methods such as liquid chromatography-mass ... -
Detection of uronic acid and antimicrobial activities of Lactobacillus rhamnosus
(International University HCMC, Vietnam, 2013)Lactobacillus rhamnosus was known a species that had many benefits in pharmaceutical, dairy food industry. To supply more applications for life, the detection of uronic production and antimicrobial activities of Lactobacillus ... -
Detection of Aspergillus parasiticus on artificially infected peanut and corn kernels by using PCR method
(International University HCMC, Vietnam, 2013)Contamination of food and feedstuffs by Aspergillus species and their toxic metabolites is a serious problem that effect on human and animal health. Hence, food contamination monitoring is an important activity, which gives ... -
Comparation between Cocoa traditional fermentation and advanced fermentation on antioxidant activity
(International University HCMC, Vietnam, 2013)There were so many researches around the world found the way to improve their national cocoa but not so many in Vietnam. People care about removing the pulp than the quality inside the beans. Vietnamese farmers still use ... -
Chemical composition and functional properties of Vietnamese pomelo (Tan Trieu, Doan Hung, Thanh Tra) peel's essential oils extracted by cold pressing and vaccuum hydro- distillation methods
(International University HCMC, Vietnam, 2013)Chemical composition, antioxidant and antimicrobial activities of peel essential oils (EOs) from three pomelo varieties Tan Trieu, Thanh Tra, Doan Hung (Citrus grandis Osbeck) extracted by cold pressing and ... -
Chemical composition and functional properties of Vietnamese lime ( Dao, Da Lat and Long An) peel's essential oils extracted by cold pressing and vacuum hydrodistillation methods.
(International University HCMC, Vietnam, 2013)Cold pressed and vacuum hydrodistillated essential oils (EOs) from peels of Dao lime (Citrus hybrid – Citrus spp.), Da Lat lime (Citrus limonia Osbeck), Long An lime (Citrus aurantifolia Swingle) ...