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Karina Milagros C. Lim

Publications (17)

Antibacterial Activity of Datura metel Linn. (TALONG-PUNAY) Fruit Extract

Karina Milagros C. Lim, Flyndon Mark S. Dagalea & Manuela Cecille G. Vicencio · Journal of Pharmaceutical Research International · 2020

Aim: The objective of this study is to determine the phytochemical constituent and antibacterial effect of fruit extract of Datura metel against Staphylococcus aureus and Escherichia coli. Methods: The extract of the sample underwent a phytochemical screening to identify the seco...

Open access Research Article 10.9734/jpri/2020/v32i2130758

Are Locally Made Sanitary Products Consumer-Cost Friendly?

Cherry I. Ultra, Karina Milagros C. Lim & Flyndon Mark S. Dagalea · Asian Journal of Advanced Research and Reports · 2024

The COVID-19 pandemic has not only resulted in a staggering number of casualties but has also led to a significant depletion in the availability of crucial sanitary supplies worldwide. In the province of Northern Samar, this shortage was keenly felt, with essential items like fac...

Open access Research Article 10.9734/ajarr/2024/v18i5643

An Analytical Physicochemical and Bacteriological Drinking Water Quality Assessment - University of Eastern Philippines - Main Campus

Flyndon Mark S. Dagalea, Karina Milagros C. Lim, Manuela Cecille G. Vicencio & Felisa L. Sanico · Journal of Advances in Microbiology · 2022

Water is one of the most important commodity, which is essentially required for the survival of all types of life, including sustenance of ecosystems and bio-diversities. Human wellbeing hinges around availability of sufficient qualitative and quantitative water affordability for...

Open access Research Article 10.9734/jamb/2022/v22i330448

Phytochemical Profile of Saribus rotundifolius (Anahaw) Crude Extract Found in the University of Eastern Philippines

Flyndon Mark S. Dagalea, Karina Milagros C. Lim, Manuela Cecille G. Vicencio, Ma. Lourdes C. Alvarez, Maria Judy M. Somoray, Abel Alejandro U. Flores Jr, Francis Michael G. Tubello, Jannah Louise L. Beros, Rose Ann F. Ablazo & Tom Joel Q. Caloza · Journal of Pharmaceutical Research International · 2021

Phytochemical profiling focuses on the determination of the secondary metabolite present on a sample. Aims: In this research, a phytochemical profiling was done in Saribus rotundifolius (Anahaw) leaves and fruit crude extracts. Methodology: This study determines the secondary met...

Open access Research Article 10.9734/jpri/2021/v33i38A32082

Are Street Foods Safe: Detection of Escherichia coli in Street Foods Sauces

Flyndon Mark S. Dagalea, Karina Milagros C. Lim, Manuela Cecille G. Vicencio, Jonsel Juris C. Ballicud, Moises Ronn B. Burac, Justine Jane B. Vibar & Vincenette Brea E. Villadolid · South Asian Journal of Research in Microbiology · 2021

Good manufacturing practices (GMP) is the key in quality food services. This is to ensure that the food our body take in is safe from harmful bacteria that may cause disorder in its normal function. In this research, detection of Escherichia coli (E. coli) was done in the sauces...

Open access Research Article 10.9734/sajrm/2021/v9i330212

Analgesic Activity of Salacia korthalsiana Miq (Polipog)

Ma. Lourdes C. Alvarez, Karina Milagros C. Lim & Merle N. Tonog · Journal of Pharmaceutical Research International · 2020

Pain has always been a cause of concern to humans. People often searched for remedy from plants because of the many documented side effects of commercial medicines. This study was conducted to determine the analgesic efficacy of the root decoction of Salacia korthalsiana Miq (Pol...

Open access Research Article 10.9734/jpri/2020/v32i3630992

Antibacterial Property and Biodegradability of Bioplastic Products from Gracilaria salicornia And Halimeda opuntia with Zinc Oxide Nanoparticles

Kristhel C. Sister, Maria Judy M. Somoray, Karina Milagros C. Lim & Flyndon Mark S. Dagalea · Asian Journal of Applied Chemistry Research · 2026

Marine algae have attracted a great deal of interest as an excellent source of bioplastic due to their hydrocolloid properties and rich polysaccharide. This research focuses on the development of bioplastic products from Gracilaria salicornia and Halimeda opuntia with Zinc Oxide...

Open access Research Article 10.9734/ajacr/2026/v17i2387

Awareness and Practice of Good Manufacturing Practices (GMP) among Street Food Vendors in Catarman, Northern Samar

Mary Jane Madario, Hannah Lea G. Pulga, Karina Milagros C. Lim & Flyndon Mark S. Dagalea · Archives of Current Research International · 2023

Street food vendors play a crucial role in providing affordable and convenient food options, especially for those who need to purchase necessities in small quantities. However, ensuring food safety in these informal food businesses remains a major concern. This study aims to inve...

Open access Research Article 10.9734/acri/2023/v23i7585

Screening and Partial Characterization of Secondary Metabolite of Salacia korthalsiana Miq. (Polipog) Root Decocted Extract

Mary Jane Madario, Merle N. Tonog & Karina Milagros C. Lim · Asian Plant Research Journal · 2023

A cough is a sudden and often repetitive reflex that helps clear the air passages from secretions, irritants, and foreign particles, including microbes. Coughing can be due to a respiratory tract infection or choking, smoking, air pollution, asthma, chronic bronchitis, medication...

Open access Research Article 10.9734/aprj/2023/v11i2209

Physicochemical Properties and Antibacterial Activity of Biosynthesized Silver Nanoparticles from Melothria pendula Linn. (Pipinong-Gubat) Leaf Extract

Nathaniel A. Dianito, Flyndon Mark S. Dagalea, Manuela Cecille G. Vicencio & Karina Milagros C. Lim · Asian Journal of Chemical Sciences · 2022

Nanoparticles have all kinds of unexpected benefits in different fields and industry. For this reason, the demand for nanoparticles is increasing at overwhelming rate the increased demand resulted to increase in production. Conventional method in synthesizing nanoparticles have b...

Open access Research Article 10.9734/ajocs/2022/v12i119134

Qualitative Test of Heavy Metals in Chanos chanos (Bangus) Found in the First District of Northern Samar

Flyndon Mark S. Dagalea, Maria Judy M. Somoray, Ma. Lourdes C. Alvarez & Karina Milagros C. Lim · Chemical Science International Journal · 2022

The Chanos chanos is a warmwater teleost fish species that is commonly used as a food resource because of its good taste and great demand in the market. It is also known as the national fish of the Philippines. This study was conducted to determine the heavy metals found in Chano...

Open access Research Article 10.9734/CSJI/2022/v31i230277

Secondary Metabolite Screening of Extracted Oil from Nypa fruticans Wurmb. (Nipa Palm)

Flyndon Mark S. Dagalea, Abel Alejandro U. Flores, Jr., Franklin E. Cortez & Karina Milagros C. Lim · Asian Plant Research Journal · 2022

Nypa fruticans Wurmb. (Nipa palm) oil was extracted from its ripe, semi-matured, fruits. Nipa palm possesses a diverse array of biological characteristics that can be a huge advantage to many fields and industries. The objective of the study is to characterize nipa palm oil extra...

Open access Research Article 10.9734/aprj/2022/v9i330208

Biodegradable Nypa fruticans (Nipa) Starch-PVA Biocomposite Films for Food Packaging

Mae Ann A. Cu, Jessie T. Gento, Janeca L. Lagrimas, Flyndon Mark S. Dagalea & Karina Milagros C. Lim · Asian Journal of Applied Chemistry Research · 2024

Starch-based films have been highlighted with its biodegradability, renewable, and amalgamation with other biopolymers as an intended substitute to synthetic packaging. This study aims to add to the plethora of literature on advancing a novel source of starch (Nypa fruticans) in...

Open access Research Article 10.9734/ajacr/2024/v15i4294

Health Risks Assessment of Heavy Metal Concentration in Cultured Chanos chanos (Bangus) and Scylla serrata (Mudcrab) in Selected Municipalities in Northern Samar

Jaymar L. Erivera, Ma. Lourdes C. Alvarez, Tom Jericho L. Abobo, Kristine Rainiel L. Diaz, May C. Manla & Karina Milagros C. Lim · Asian Journal of Chemical Sciences · 2024

One of the common problem in fishponds is heavy metal contamination. Though there are some heavy metal elements that are naturally occurring, but due to human activities, their concentration goes beyond what is normal. In this study, health risks analysis using Estimated Daily In...

Open access Research Article 10.9734/ajocs/2024/v14i2298

Histochemical Characterization of Salacia korthalsiana Miq. (Polipog) Root

Loren E. Narca, Ma. Leovilla D. Santos, Merle N. Tonog, Hannah Lea G. Pulga, Ma. Lourdes C. Alvarez, Flyndon Mark S. Dagalea & Karina Milagros C. Lim · Asian Journal of Biochemistry, Genetics and Molecular Biology · 2026

Salacia korthalsiana Miq., locally known in the Philippines as Polipog, is a wild climbing shrub traditionally valued for its anti-inflammatory, antiseptic, and antimicrobial properties. While indigenous communities utilize its leaves, stems, and roots to treat ailments ranging f...

Open access Research Article 10.9734/ajbgmb/2026/v18i3530

Inventory of Seaweeds in Selected Municipalities in the Balicuatro Area of the Province of Northern Samar, Philippines

Tom Jericho L. Abobo, April A. Enteria, Leona Marie D. Ortecio, Mary Jane Madario, Jovencio G. Custorio, Flyndon Mark S. Dagalea, Marlon John M. Bangco, Abel Alejandro U. Flores Jr, Ma. Leovilla D. Santos & Karina Milagros C. Lim · Asian Journal of Fisheries and Aquatic Research · 2024

Seaweeds or marine macroalgae is one of the marine resources that are understudied in the province of Northern Samar, the province have twenty-four (24) municipalities and twenty (20) of them have coastal zone which is ideal for marine researches as well as for aquaculture. This...

Open access Research Article 10.9734/ajfar/2024/v26i3750

Comparing Genomic DNA Extraction Methods/ Protocols to obtain High Quality DNA from Ulva lactuca

Tom Jericho L. Abobo, Judy Ann T. Ng, Carmelito N Longcop, Jr., Lovely A. Sanita, Rubie D. Cruz, Ma. Crissa T. Olivas, Kieth C. Panes, Louisa D. Acebuche, Pearl Yvonne G. Legaspi, Jovencio G. Custorio & Karina Milagros C. Lim · Asian Journal of Research in Biochemistry · 2025

DNA extraction is the process of isolating the nucleic acid (e.g. DNA) from the cells isolated from organism or samples. DNA extraction protocol is crucial for the quality of DNA to be isolated from a sample, it also entails the success of other downstream application like PCR am...

Open access Research Article 10.9734/ajrb/2025/v15i1351