Browsing by Author "Samarakoon, KW"
Now showing items 1-18 of 18
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Antibacterial Activity of Different Fractions of Two Underutilized Fruit Crops in Sri Lanka: Tamarindus indica (Siyabala) and Cynometra cauliflora (Nam-Nam)
De Silva, S; Doranegoda, DMHSK; Pillay, FASS; Jayasooriya, RGPT; Samarakoon, KW; Kumari, KDKP (2023-09)Due to adverse effects exerted by currently applying synthetic food preservatives, there is a timely need of discovery of natural food preservatives. The present study was aimed to discover the antimicrobial potential ... -
Antioxidant Potential of Some Selected Underutilized Fruit Species Grown in Sri Lanka
Wickramaarachchi, LA; Kuruppu, AI; Ranasinghe, P; Herath, T; Samarakoon, KW (2023-09)Despite having a wide variety of fruits and being one of the world’s biodiversity hotspots, Sri Lanka’s resources are still mostly untapped. Secondary metabolites known as antioxidants have the power to lessen oxidative ... -
Comparison of Phytochemicals and Antioxidant Activity of the Polysaccharide and De-Polysaccharide Methanol Extracts of Brown Seaweed Chnoospora minima
Kumarasinghe, HS; Gunathilaka, TL; Jayasooriya, PT; Ranasinghe, P; Peiris, LDC; Samarakoon, KW (2022)Chnoospora minima is a brown algae enriched with unique bioactive compounds which are ideal candidates for pharmaceutical, cosmeceutical, and nutraceutical industries. During this study, C. minima were extracted using 80% ... -
Comparison of Phytochemicals and Antioxidant Activity of the Polysaccharide and de-polysaccharide Methanol Extracts of Brown Seaweed Chnoospora minima
Kumarasinghe, HS; Gunathilaka, TL; Jayasooriya, PT; Ranasinghe, P; Peiris, LDC; Samarakoon, KW (2022-09)Chnoospora minima is a brown alga enriched with unique bioactive compounds which are ideal candidates for pharmaceutical, cosmeceutical and nutraceutical industries. During this study, C. minima was extracted using 80% ... -
Estimation of Phenolic Content, Flavonoid Content, and Antioxidant Activities of Selected Fruits in Sri Lanka
Dharmasiri, PGNH; Samarakoon, KW; Ranasinghe, P; Jayasooriya, PT (2023-09)The aim of this study was to evaluate the Total Phenolic Content (TPC), Total Flavonoid Content (TFC), and in vitro antioxidant activity, of six underutilized fruits in Sri Lanka. The selected fruits are Elaeocarpus ... -
Evaluation of Sri Lankan Wild Fruits based on Free Radical Scavenging Activity, Polyphenolic Content and Cytotoxic Activity
Abeysiriwardhana, HNI; Ranasinghe, P; Jayasooriya, RJPT; Samarakoon, KW (2022-09)The study of free radical chemistry has been of recent interest in the scientific community and represents an emerging paradigm in nutraceuticals and disease management. The objective is to incorporate phytochemicals into ... -
Evaluation of Sri Lankan Wild Fruits based on Free Radical Scavenging Activity, Polyphenolic Content and Cytotoxic Activity
Abeysiriwardhana, HNI; Ranasinghe, P; Jayasooriya, RJPT; Samarakoon, KW (2022-09)The study of free radical chemistry has been of recent interest in the scientific community and represents an emerging paradigm in nutraceuticals and disease management. The objective is to incorporate phytochemicals into ... -
Evaluation of Sri Lankan Wild Fruits Based on Free Radical Scavenging Activity, Polyphenolic Content and Cytotoxic Activity
Ranasinghe, P; Abeysiriwardhana, HNI; Jayasooriya, RJPT; Samarakoon, KW (2022)The study of free radical chemistry has been of recent interest in the scientific community and represents an emerging paradigm in nutraceuticals and disease management. The objective is to incorporate phytochemicals ... -
Gene Expression Analysis of Human Breast Adenocarcinoma (MCF-7) Cells Treated with a Sri Lankan Red Seaweed Gracilaria edulis (Gmelin) Silva
Gunathilaka, MDTL; Samarakoon, KW; Ranasinghe, P; Peiris, LCD (2021) -
In vitro Antioxidant Activity and α- Amylase Inhibitory Activity of Methanolic Extract of Sri Lankan Marine Brown Algae Chnoospora minima (Hering 1841)
Gunathilaka, MDTL; Peiris, D; Ranasinghe, P; Samarakoon, KW; Elvitigala, DAS (2018)Chnoospora minima (Herring) is a brown algae that belongs to Family Scytosiphonaceae. The current study investigated the total phenolic (TP), total flavonoid contents (TFC), antioxidants and anti-amylase activity of ... -
In vitro Bioactivity of Methanol Extracts of Elaeocarpus serratus Leaves and Fruit
Kuruppu, AI; Samarakoon, KW (2022)Plants are getting significant attention globally and the worldwide annual market for herbal products is ~USD 60 billion. Elaeocarpus serratus which is an underutilized fruit crop in Sri Lanka was selected for scientific ... -
An in vitro Investigation of Zanthoxylum rhetsa (Thanahalu) and its Anti-cancer Potential Against MCF7 and DLD1 Cancer Cell Lines
Jayasinghe, MR; Samarakoon, KW; Kuruppu, AI (2023-09)Most medicinal plants presently employed in traditional medicine are used without much scientific evidence, this suggests a need to explore reliable investigations of their pharmaceutical potential. Therefore, in this ... -
In-vitro anti-diabetic activity of polyphenole-rich extract from marine brown algae Choonospora minima (Hering 1841)
Gunathilaka, MDTL; Ranasinghe, P; Samarakoon, KW; Peiris, LCD (2019) -
A revisit of National Science & Technology Policy for the development of small and medium enterprises in Sri Lanka
Piyumal, KTR; Samarakoon, KW; Hirimburegama, K (2021-11)Small and Medium Enterprises (SMEs) played a crucial part in the Sri Lankan economy and acknowledged as the country's backbone for industrial growth. However, the recent studies in this sector exhibit that Sri Lanka has ... -
Screening of Antioxidant Capacity of Pouteria campechiana (Kaha laulu), Psidium guineense sw (Ambulpera) and Aegle marmelos (Beli) Fruits
Doranegoda, DMHSK; de Silva, S; Pillay, FASS; Jayasooriya, RGPT; Samarakoon, KW; Kumari, KDKP (2023-09)Antioxidants are important as therapeutic agents in preventing a wide range of human pathologies associated with oxidative stress. Due to certain drawbacks in synthetic antioxidants, the attention is focused on the ... -
Screening of Phytochemical and Biomedical Effects of some Selected Psidium sp Leaf Ethanol Extractions
Hilma, MSK; Ranasinghe, P; Samarakoon, KW (2022)Psidium sp leaves have traditionally been used to manipulate several diseases over the last decades. Exploring the potential bioactive metabolites from fruit plant leaves has widely increased. There are many approaches ... -
Screening the Radical Scavenging Activities of the Solvent Extracts from Brown Marine Algae: Padina commersonii
Pavithra, PDU; Kuruppu, AI; Ranasinghe, P; Samarakoon, KW (2023-09)