Prof. Kariyawasam Ranaweerage Ranjith Mahanama

Prof. Kariyawasam Ranaweerage Ranjith Mahanama

University of Colombo

H-index: 16

Asia-Sri Lanka

About Prof. Kariyawasam Ranaweerage Ranjith Mahanama

Prof. Kariyawasam Ranaweerage Ranjith Mahanama, With an exceptional h-index of 16 and a recent h-index of 10 (since 2020), a distinguished researcher at University of Colombo, specializes in the field of Analytical Chemistry, Environmental Chemistry, Air quality, Food safety, Indoor air.

His recent articles reflect a diverse array of research interests and contributions to the field:

Saturated, monounsaturated and polyunsaturated fatty acid profiles of commercially important traditional and new improved red and white rice varieties of Sri Lanka

Fatty Acid and Sterol Profiles of Commonly Available Street Foods in Sri Lanka: Comparison to Other Countries in the Asian Region

Grain level characterization of widely cultivating traditional and new improved rice (Oryza sativa L.) varieties of Sri Lanka using physical and chemical test methods

Use of Process-Based Marker Compounds to Identify Different Coconut Oils

Development and validation of a method based on liquid chromatography-mass spectrometry for comprehensive profiling of phenolic compounds in rice

Investigation on translocation and accumulation of selected elements in rice grains from soil contaminated with arsenic and cadmium

Investigation on the effective disposal of sludge from a water treatment plant

Bioactive constituents isolated from the Sri Lankan endemic plant Artocarpus nobilis and their potential to use in novel cosmeceuticals

Prof. Kariyawasam Ranaweerage Ranjith Mahanama Information

University

Position

Senior Professor in Chemistry Sri Lanka

Citations(all)

1156

Citations(since 2020)

385

Cited By

868

hIndex(all)

16

hIndex(since 2020)

10

i10Index(all)

19

i10Index(since 2020)

10

Email

University Profile Page

University of Colombo

Google Scholar

View Google Scholar Profile

Prof. Kariyawasam Ranaweerage Ranjith Mahanama Skills & Research Interests

Analytical Chemistry

Environmental Chemistry

Air quality

Food safety

Indoor air

Top articles of Prof. Kariyawasam Ranaweerage Ranjith Mahanama

Title

Journal

Author(s)

Publication Date

Saturated, monounsaturated and polyunsaturated fatty acid profiles of commercially important traditional and new improved red and white rice varieties of Sri Lanka

Journal of Food Composition and Analysis

Madara Dilrukshi Wijesekara Samaranayake

Walimuni Kanchana Subhashini Mendis Abeysekera

Ilmi Ganga Namali Hewajulige

Hewa Pathiranage Preethi Sudarshana Somasiri

Kariyawasam Ranaweerage Ranjith Mahanama

...

2024/6/1

Fatty Acid and Sterol Profiles of Commonly Available Street Foods in Sri Lanka: Comparison to Other Countries in the Asian Region

Journal of Food Processing and Preservation

Ruwini Dassanayake

Sudarshana Somasiri

Kariyawasam Mahanama

Sirimal Premakumara

2024/3/9

Grain level characterization of widely cultivating traditional and new improved rice (Oryza sativa L.) varieties of Sri Lanka using physical and chemical test methods

Vegetos

Madara Dilrukshi Wijesekara Samaranayake

Walimuni Kanchana Subhashini Mendis Abeysekera

Ilmi Ganga Namali Hewajulige

Hewa Pathiranage Preethi Sudarshana Somasiri

Kariyawasam Ranaweerage Ranjith Mahanama

...

2024/1/12

Use of Process-Based Marker Compounds to Identify Different Coconut Oils

Food Analytical Methods

HGTH Jayatunga

HD Weerathunge

HPPS Somasiri

KRR Mahanama

2024/1

Development and validation of a method based on liquid chromatography-mass spectrometry for comprehensive profiling of phenolic compounds in rice

Microchemical Journal

Sharmila Karunarathna

Sudarshana Somasiri

Ranjith Mahanama

Ruwan Ruhunuge

Gevindu Widanagamage

2023/10/1

Investigation on translocation and accumulation of selected elements in rice grains from soil contaminated with arsenic and cadmium

Journal of Food Composition and Analysis

Gayani Udeshika Chandrasiri

Kariyawasam Ranaweerage Ranjith Mahanama

Kushani Mahatantila

Pavithra Sajeewani Pitumpe Arachchige

Midigama Liyanage Roshan Chathuranga

2023/10/1

Investigation on the effective disposal of sludge from a water treatment plant

Water Practice & Technology

AGH Vishwajith

KRR Mahanama

LPRJ Wijesinghe

2023/1/1

Bioactive constituents isolated from the Sri Lankan endemic plant Artocarpus nobilis and their potential to use in novel cosmeceuticals

Industrial Crops and Products

Gavini Dilkhushi Liyanaararchchi

Anton Sameera Perera

Jayanetti Koralalage Ramani Radhika Samarasekera

Kariyawasam Ranaweerage Ranjith Mahanama

Kirihettiliyanage Don Patrick Hemalal

...

2022/9/15

Fatty acid profiles of selected traditional and new improved rice varieties of Sri Lanka

Journal of Food Composition and Analysis

Madara Dilrukshi Wijesekara Samaranayake

Walimuni Kanchana Subhashini Mendis Abeysekera

Ilmi Ganga Namali Hewajulige

Hewa Pathiranage Preethi Sudarshana Somasiri

Kariyawasam Ranaweerage Ranjith Mahanama

...

2022/9/1

Variation in amino acid composition of rice (Oryza sativa L.) as affected by the cooking technique

Journal of Food Processing and Preservation

Gigummaduwe Vimarshi Vathsala Liyanaarachchi

Kariyawasam RR Mahanama

HPP Sudarshana Somasiri

PA Nimal Punyasiri

Mahasen Achintiya Bandara Ranatunga

2022/8

Variation in amino acid profiles of selected Sri Lankan rice varieties induced by milling

Journal of Food Processing and Preservation

Gigummaduwe Vimarshi Vathsala Liyanaarachchi

Kariyawasam RR Mahanama

Sudarshana Somasiri

Nimal Punyasiri

Katudeni Vidanelage Tharaka Gunawardhana

...

2022/12

Impact of seasonal, geographical and varietal variations on amino acid profile of Sri Lankan rice varieties (Oryza sativa L.)

Journal of Food Composition and Analysis

GVV Liyanaarachchi

KRR Mahanama

HPPS Somasiri

PAN Punyasiri

MAB Ranatunga

...

2022/6/1

An assessment on toxic and essential elements in rice consumed in Colombo, Sri Lanka

Applied Biological Chemistry

Gayani Udeshika Chandrasiri

Kariyawasam Ranaweerage Ranjith Mahanama

Kushani Mahatantila

Pavithra Sajeewani Pitumpe Arachchige

Roshan Chathuranga Midigama Liyanage

2022/12

Seasonal variation on mineral profile in rice varieties of Sri Lanka

Journal of Food Composition and Analysis

Sharmila Karunarathna

Sudarshana Somasiri

Ranjith Mahanama

2022/5/1

Safety concerns of lead chromate in enamel paints: A study based on the Sri Lankan enamel paints industry after the lead paint regulatory enforcement

Journal of the National Science Foundation of Sri Lanka

MC Lakmini

KRR Mahanama

2021/7/15

Cellulose Supported Magnetic Nanohybrids: Synthesis, Physicomagnetic Properties and Biomedical Applications-A Review

Mohamed Abdul Cader Mohamed Haniffa

Khadija Munawar

Ching Yern Chee

Sumit Pramanik

Ahmed Halilu

...

2021/9/1

Profiling of amino acids in traditional and improved rice (Oryza sativa L.) varieties of Sri Lanka and their health promoting aspects

Cereal Research Communications

GVV Liyanaarachchi

KRR Mahanama

HPPS Somasiri

PAN Punyasiri

KAK Wijesena

...

2021/1/26

Impact of parboiling and cultivars on the free and total amino acid composition of rice (Oryza sativa L.)

Journal of Food Processing and Preservation

Gigummaduwe Vimarshi Vathsala Liyanaarachchi

Kariyawasam RR Mahanama

Sudarshana Somasiri

Nimal Punyasiri

Katudeni Vidanelage Tharaka Gunawardhana

...

2021/9

Validation of a reversed-phase high performance liquid chromatographic method for the determination of stevioside and rebaudioside A in food and beverages

Food chemistry

GVV Liyanaarachchi

KRR Mahanama

HPPS Somasiri

PAN Punyasiri

2018/2/1

Modified GC temperature program method for analysis of fatty acid profiles in readyto-eat composite diets in Sri Lanka using correction factors

MRP Dassanayake

HPPS Somasiri

GAS Premakumara

KRR Mahanama

2020

See List of Professors in Prof. Kariyawasam Ranaweerage Ranjith Mahanama University(University of Colombo)

Co-Authors

H-index: 93
William W Nazaroff

William W Nazaroff

University of California, Berkeley

H-index: 18
D.P. Dissanayake, Dhammike Dissanayake, Dhammike Prasad Dissanayake, Dhammike P. Dissanayake

D.P. Dissanayake, Dhammike Dissanayake, Dhammike Prasad Dissanayake, Dhammike P. Dissanayake

University of Colombo

H-index: 13
Professor.P.A Nimal Punyasiri.

Professor.P.A Nimal Punyasiri.

University of Colombo

H-index: 12
Dr. Kanchana Abeysekera

Dr. Kanchana Abeysekera

University of Colombo

H-index: 11
Mohamed Abdul Cader Mohamed Haniffa

Mohamed Abdul Cader Mohamed Haniffa

Universiti Malaya

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