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Isolation of potential bacteriocin-producing lactic acid bacteria from fermented food products showing antimicrobial activity

Keerthini, S.; Kapilan, R.; Vasantharuba, S. (University of Jaffna, 2017)

Biopreservation systems in foods are gaining popularity in food industries. Bacteriocins, an antimicrobial peptide produced by lactic acid bacteria, is considered as safe additives. Therefore, this study aimed to isolate ...

Isolation and morphological characterization of petroleum crude oil degrading bacteria from contaminated sites in Sri lanka

Iddamalgoda, H.K.S.P.S.; Hemachandra, C.K.; Rodrigo, W.W.P.; Fonseka, W.R.K. (University of Jaffna, 2017)

The objective of the present study was to isolate petroleum hydrocarbon degrading indigenous bacteria from chronically contaminated sites. Sludge and water samples collected aseptically from an area (Gampaha district) ...

Isolation and morphological characterization of glyphosate utilizing fungi from contaminated sites in Sri lanka

Kaushalya, W.H.; Hemachandra, C.K.; Rodrigo, W.W.P.; Fonzeka, W.R.K.; Samarasekera, R. (University of Jaffna, 2017)

The use of synthetic pesticides has become an indispensable tool in Sri Lankan agriculture. The extreme usage of glyphosate herbicide over the past years in the country has led to a serious environmental pollution. Thus, ...

Isolation and identification of a cellulase producing bacterial strain

Croos, A.M.B.; Kapilan, R. (University of Jaffna, 2017)

Cellulolytic organisms could be isolated from diverse natural sources and the best bacterial candidate could be used to produce cellulase. The objective of the study was to isolate a thermostable alkaline cellulase ...

Influence of different cooking methods on the antioxidant activity of Local Pumpkin Variety (cucurbita maxima) cultivated in jaffna district, Sri lanka

Thanuja, S.; Sivakanthan, S.; Vasantharuba, S. (University of Jaffna, 2017)

Antioxidants play major role in maintaining good health. Pumpkin (Cucurbita maxima) is one of the richest sources of β-carotene, a powerful antioxidant. However, the antioxidant activity of vegetables is influenced by ...

Improvement of the bioethanol production from banana (kathali variety) fruit juice using baker’s yeast

Rushani, V.; Kapilan, R. (University of Jaffna, 2017)

The objective of the study was to optimize bioethanol production from banana (Kathali variety) fruit juice using baker’s yeast in order to increase the yield. The banana juice was inoculated with Saccharomyces cerevisiae ...

Impact of fishing crafts and fisheries harbours in marine fish production in Sri lanka

Sivaraja, S.; Sooriyakumar, K.; Sarujan, S. (University of Jaffna, 2017)

The fisheries sector plays a vital role with respect to provision of direct and indirect employment opportunities, generation of income, and provision of reasonably priced protein for the rural and urban masses in the ...

Growth and yield response of mechanical transplanted rice at different plant densities

Sivaneson, S.; Vijayakumari, V. (University of Jaffna, 2017)

Optimum plant spacing is among key agronomic parameters that influence growth and yield of rice (Oryza sativa L.). A field experiment was conducted to evaluate the growth and yield response of mechanical transplanted ...

Good governance and foreign direct investment in Sri Lanka

Vinujah, V.; Sooriykumar, K.; Sireeranhan, A. (University of Jaffna, 2017)

Globalisation has led to an increase in foreign direct investment (FDI), which is most useful way to gain foreign investment. Hence, FDI has been used by developing countries as a tool to solve their economic problems ...

Fertilizer usage and brinjal cultivation in thenmaradchi area of the jaffna district, Sri Lanka

Jasothajini, R.; Sooriyakumar, K.; Sarujan, S. (University of Jaffna, 2017)

Brinjal cultivation in Thenmaradchi area of Jaffna district involves indiscriminate application of large quantities of fertilizers and pesticides. The overuse of fertilizer pollutes the water bodies in Thenmaradchi. It ...

Factors influencing the tourist’s visit to kandalama tank: a study using individual travel cost method

Lakmali, C.; Sooriyakumar, K.; Sarujan, S. (University of Jaffna, 2017)

Tourism is considered as one of the largest and fastest developing sectors of the world. The recreational and ecological benefits of reserving national parks and improving water quality in lakes and tanks have been widely ...

Factors influencing pricing of tea at colombo auction

Sampath, T.; Sooriyakumar, K.; Sarujan, S. (University of Jaffna, 2017)

Tea industry in Sri Lanka is currently experiencing a decline in tea prices and a high cost of production along with low productivity. The smallholder tea sector continued to dominate the overall tea industry contributing ...

Factors affecting farmers’ decision in crop diversification: the case of kilinochchi district, Sri Lanka

Gowrithasan, N. (University of Jaffna, 2017)

Most of the low lands are used for paddy cultivation in the dry zone of Sri Lanka. Irrigating the paddy in a well-draining soil is an inefficient method of water usage. There is an opportunity to cultivate other field ...

Evaluation of solar-driven water purification system

Puvareka, C.; Kannan, N.; Thiruvaran, T. (University of Jaffna, 2017)

Accessibility to drinking water is a problematic issue everywhere in the world. Many people in Sri Lanka are suffering mysterious and deadly form of kidney diseases because of poor drinking water quality. There are several ...

Emerging culture based fisheries of macrobrachium rosenbergii (de man, 1879) in puthumurippu medium perennial reservoir, kilinochchi district, Sri lanka

Rajeevan, R.; Edirisinghe, U. (University of Jaffna, 2017)

Culture based fisheries in perennial reservoirs have become a promising and profitable way to achieve self-sufficiency in the food sector and also to develop the livelihood of rural people in Sri Lanka. M. rosenbergii, ...

Effect of two wheel tractor mounted tillage implements on selected soil properties

Luxshana, T.; Kannan, N.; Prabhaharan, M. (University of Jaffna, 2017)

Soil bed preparation is a major operation to develop productive rhizosphere which influences yield of plants significantly. Land preparation can be carried out by different means based on the types of the root zone of ...

Effect of duration of soaking and steaming on the quality of parboiled paddy practiced in small industries

Prabhaharan, M.; Alvaappillai, P. (University of Jaffna, 2017)

Parboiling is the hydrothermal treatment applied before milling in order to increase milling recovery by minimizing broken rice percentage. Parboiling process has three stages, namely soaking, steaming and drying. Soaking ...

Effect of dissolved oxygen concentration on echinodorus beleheri growth in hydroponics

Narthaky, B.; Mikunthan, T.; Jegathambigai, V.; Swinningen, A. (University of Jaffna, 2017)

Hydroponics system is an easy and environmentally good approach where plants are grown without the support of soil media. The system is mainly affected by water quality parameters, especially, dissolved oxygen (DO), pH ...

Effect of different crop establishment methods on growth and yield response of lowland irrigated rice in the northern region of Sri lanka

Sivaneson, S.; Ponnegipprenthiraraja, A. (University of Jaffna, 2017)

Inappropriate method of crop establishment is one of the reasons for low yields in rice (Oryza sativa L.) cultivation. Therefore, a field experiment was conducted to evaluate the effect of crop establishment methods such ...

Effect of different blanching methods on antioxidant properties of selected green leafy vegetables

Rohini, B.; Sivakanthan, S.; Vasantharuba, S. (University of Jaffna, 2017)

Green leafy vegetables are less expensive, yet rich in myriad of phytochemicals having antioxidant properties. Blanching is a prerequisite for preservation of green leafy vegetables to prevent the activity of phenolases ...

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