Biotechnology: Recent submissions
Now showing items 241-260 of 1320
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Investigate The Physicochemical Properties Of Semi-Dried Yacon Slices At Different Drying Temperatures After Being Treated With Ultrasound And Microwave-Assisted Osmotic Dehydration
(2022-08)This study was carried out to examine the change in physicochemical properties of yacon (Smallanthus sonchifolius) dried at 50, 60, and 70°C after being pre-treated in an osmotic solution (sorbitol 60 Brix) with and ... -
Optimization Of Biomass And B-Sitosterol Production From Physarum Polycephalum
(2022-10)Physarum polycephalum (slime mold) of the Physarales order is frequently observed in the trophic stage as plasmodium. This species’s microplasmodium, which developed from the plasmodium in submerged culture, was able to ... -
Zingiber Officinale And Cinnamomum Loureiroi Nees L. Crude Extracts: A Study On Extraction Conditions And Their Potential As Cysteine Proteases And Serine Proteases Inhibitors
(2022-08)Zingiber officinale and Cinnamomum loureiroi are the two medicinal plants that are commonly used for culinary spice as well as traditionally applied for treatment of various health tissues and diseases, such as viral ... -
Natural Polymeric Silk-Based Bio-Nano Composites With A High Potential For Cosmetics
(2022-09)Silk sericin has made highlighted in scientific research due to its great biochemical properties, its compatibility with other materials and applications in many industries. Bombyx mori is one of the great sources to ... -
Tyrosinase Inhibition Activity Of Combined Essentail Oils From Perilla Frutescents Var And Melaleuca Alternifolia
(2022-07)Tyrosinase is the primary enzyme in mammalian melanogenesis. Excessive melanin production and buildup cause pigmentary diseases in humans. Researchers are researching melanogenesis inhibitors for medicinal, cosmetic, and ... -
Examination Of In Vitro Antioxidant And Hypouricemic Activities Ensete Glaucum Seed Hydroalcoholic Extract In Hyperuricemic Mice
(2022-08)Ensete glaucum is considered as traditional medicines with many therapeutic effects on human health with properties to enhance the life quality. The present study targeted at investigating the in vitro antioxidants ... -
Effect of ascorbic acid on vitro growth and parthenogentic development of porcine oocyte derived from early antral follicle (1-1.5mm)
(2022-09)The oocytes from early antral follicles (EAFs) have low developmental potential to reach blastocyst due to incomplete cytoplasmic maturation during in vitro growth (IVG). Thus, we developed an in vitro culture system for ... -
Optimization of enzyme assisted extraction of total catechin from cashew nut (Anacardium occidentale L.) testa by Box-Behnken desgin (BBD) and Response surface methodology (RSM)
(2021-02)In this study, enzyme-assisted extraction was performed to extract total catechin from the cashew nut testa. Response surface methodology, using Box-Behnken design was employed to optimize and investigate the effect of ... -
Study of antifungal activity against Trichophyton rubrum ATCC 28188 of lemon seed extract
(2021-02)Trichophyton rubrum is the most common dermatophyte in the world with the highest prevalence such as in Korea. The infections which caused by this world-wide distributed dermatophyte can be kindly persistent and therefore ... -
Surface sterilization using calcium hypochlorite on coconut (Xiem red dwarf) zygotic embryos
(2021-04)Xiem Red Dwarf is considered as one of the new and important coconut varieties, which offers many socio-economic and environmental benefits in Vietnam. Embryo culture technique is now used to propagate and conserve this ... -
Extraction of oil from H'mong pumpkin seed (Cucurbita ficifolia) using enzyme - assisted three phase partitioning and evaluation of the bioactive compounds of the final oil
(2021)The aim of this study was to investigate the effects (enzyme concentration, incubation temperature and time) of two individual enzymes (cellulase or protease) on the yield of oil from H’mong pumpkin seeds by using ... -
Study on growth performance of female mud crab (Scylla serrata) under three different types of feed in recirculating aquaculture system (RAS) (At the research institute of aquaculture No.2 (RiA2))
(2021-07)Currently, the price and consumption market of commercial crab is quite stable. In recent years, farmers have gained high profits due to the stable price of mud crabs (Scylla serrata). Crab farming models are usually ... -
Study on ultrasound assisted extraction of oleoresin from star anise fruit (Illicium verum H.) by using ethyl alcohol and ethyl lactate as a solvent
(2021-02)This study aimed at investigation on process conditions for extraction of oleoresin from star anise fruits ((Illicium verum H.). The sample was treated with ultrasound under the change of parameters including time (10, ... -
Study on the effect of stocking density on the growth and survival rate of razor clam cultellus maximus at the grow - out stage
(2021-02)The study was aimed to evaluate the effect of stocking density on the growth and survival rate of razor clam Cultellus maximus at the grow-out stage. The experiment was conducted at density of 10, 20, and 30ind/m2 with ... -
Effects of C/N ratios on growth and survival of white leg shrimp (Litopenaeus vannamei) by using monosaccharide as the carbohydrate supplement source in the biofloc based rearing system
(2021-02)C/N ratio plays an important role in aquaculture system with biofloc technology application. The toxic nitrogen will be controlled through adding carbohydrates to water, which heterotrophic bacterial will be stimulated ... -
Effect of timing on in vitro growth of bovine oocyte derived from early antral follicle
(2021-04)There are thousands of follicles in bovine ovaries, however, it is solely restricted number of oocytes enable to sufficiently obtain growth phase and reach final measure to become fully-grown oocyte. In the natural ... -
Investigation reaction conditions for oxidation of dihydrotriazine using N-Halosuccinimide to synthesize triazine
(2021-02)In this work, the improvement conditions of the oxidation of 1,2-dihydro-2,4,6- triphenyl-1,3,5-triazine with different N-halosuccinimide reagents, solvents and concentrations were investigated at room temperature. The ... -
Study on pectinase production by bacillus subtilis in molasses and its application for coffee fermentation
(2021-02)Pectinase also well-known terms for commercial enzyme preparation that have wide application, however, the high cost used in the importation of industrial extracellular enzymes has led to the high cost of finished ... -
A Study On Effect Of Enzyme Treatment On The Yield Of Oil Obtained From H'mong Pumpkin Seed (Cucurbita Ficifolia) By Enzyme-Assisted Aqueous Extraction And Evaluation Of The Bioactive Properties Of The Final Oil
(2020-10)The purpose of this study was to investigate the effect of enzymatic treatment in assisted aqueous extraction of oil from H’mong pumpkin seeds (Cucurbita ficifolia). Two enzymes (Viscozyme L and Alcalase) were screened ... -
Evaluating Biological Activities Of Crude Polysaccharides Extracted From Mycelia Of Ganoderma Species Collected From Vietnam.
(2020-09)Ganoderma species have been known for their bioactivities. One of the bioactive compounds from them is polysaccharides. Conventionally, fruiting bodies of Ganoderma species are used. However, as it takes time to cultivate ...