Natural Products Journal, The - Volume 13, Issue 7, 2023

Native to the Southern Mediterranean region, Laurus nobilis L. (Family Lauraceae) is an evergreen shrub or tree found in warm climate regions with high rainfall. The leaves and essential oil of this plant have been widely used as condiments, spices, and flavoring agents in the culinary and food industries. The whole plant is also used for the traditional treatment of various diseases, including cough, asthma, hemorrhoids, rheuma Read More

Background: Natural products have been used commonly in the pharmaceutical industry as well as traditional medicine due to their bioactive contents. Objective: The objective of this study is to isolate the polymethoxy flavones (PMFs) and evaluate the antiproliferative activity. Methods: The PMFs were extracted from Mentha dumetorum with boiling hot water and then partitioned with hexane and the extract was subject Read More

Haircare products with botanical origins and the absence of highly allergenic chemicals, such as parabens, petrochemicals, and silicones, have been considered more skin-friendly and ecofriendly to the environment. Recently, there has been a growing demand for these natural hair care products. Besides the perceived health benefits, many users also believe these botanical origin ingredients are generally milder, non-tox Read More

Background: Hypericum heterophyllum has been used as a traditional medicine and includes significant bioactive compounds. Objective: To quantitatively determine the phenolic and flavonoid contents of Hypericum heterophyllum flowers and evaluate the antioxidant activity. Also, to present the activity-compound relationship. Methods: Flowers of H. heterophyllum Vent., endemic species for Turkey were collected fro Read More

Globally, there are around 50 million Alzheimer's disease sufferers worldwide, a number that is expected to double every five years and reach 152 million by 2050. Traditional drugs for cognitive impairment are only palliative and do not cure the disease. Alzheimer's disease is characterised by memory and language loss, as well as difficulties with visual orientation and greater executive function. The present study aimed to exa Read More

Alkaloids are waste products of plant metabolic processes, containing at least one nitrogen atom in the heterocyclic ring. They serve a wide variety of physiological functions in humans and animals. Metabolism plays a central role in regulating the toxicity of various phytochemicals. Available literature of biological sources and metabolism study of pyrrolidine, pyrrolizidine, pyridine, quinoline, isoquinoline, phenanthrene, phenet Read More

Background: Oxidative stress occurs when the cell's antioxidant defense system is insufficient. This can be corrected by active antioxidant substances, which help to eliminate the consequences of the damage caused or prevent the system from reaching the stress level. Objective: The actions of antioxidants can inhibit or delay tumor cells' appearance, delaying aging, and preventing other cellular damage resulting from Read More

Background: Exposure to arsenic through drinking water is a global health problem that causes multisystem toxicity, mainly by inducing oxidative stress and impairing cellular energy. Objective: We aimed to evaluate the effect of Quercus infectoria gall extract (Qi) against oxidative stress induced by sub acute exposure to arsenic. Methods: The plant galls were extracted with methanol and were used for the determination Read More