Assessment of Quality and Chemical Composition of Cajuput Oil from Moluccas and Papua

Posted on February 20, 2021Categories Physical ScienceTags , , ,   Leave a comment on Assessment of Quality and Chemical Composition of Cajuput Oil from Moluccas and Papua

Melaleuca leucadendron Linn is a type of cajuput oil producer was found in the Moluccas are mostly on the Buru Island and West Seram, while Asteromyrtus brasii is a type that is found in Wasur National Park, Merauke, Papua. The main product of cajuput plants is cajuput oil that obtained from distillation of cajuput leaves. The major markets for cajuput oil include The United States, Japan, Singapore, France and the Netherlands. This study aims to decide on the chemical content … Continue reading “Assessment of Quality and Chemical Composition of Cajuput Oil from Moluccas and Papua”

Phytochemical Analysis, Isolated Ergosta-5,7,22-triene-3β,14α-diol (22Z) and Antimicrobial Activity of Kenyan Ganoderma lucidum

Posted on February 9, 2021Categories chemical scienceTags , ,   Leave a comment on Phytochemical Analysis, Isolated Ergosta-5,7,22-triene-3β,14α-diol (22Z) and Antimicrobial Activity of Kenyan Ganoderma lucidum

Objectives: Evaluate the chemical composition and antimicrobial activity to test the Kenyan Ganoderma lucidum for phytochemicals. Study Design: extraction of hexane, ethyl acetate and methanol; phytochemical study and anti-microbial activity of Kenyan G were analyzed. Mushroom Lucidum. Using spectral evidence and in reference to literature, structural determination of the isolated compound was achieved. The compound’s antibacterial properties were carried out using the process of disc diffusion. Study location and duration: Department of Pure and Applied Chemistry, University of Science and … Continue reading “Phytochemical Analysis, Isolated Ergosta-5,7,22-triene-3β,14α-diol (22Z) and Antimicrobial Activity of Kenyan Ganoderma lucidum”

Chemical Constituents of Mentha piperata L.(Lamiaceae) Essential Oil from Congo

Posted on December 29, 2020Categories BiologyTags , , , ,   Leave a comment on Chemical Constituents of Mentha piperata L.(Lamiaceae) Essential Oil from Congo

Objective: The objective of this study is to determine the chemical composition of Mentha piperata essential oil from the Congo region. Methodology and Results: essential oil obtained by steam distillation of piperata Mentha L dry leaf stalks. The research was carried out in the northern part of Brazzaville (Poto-poto), Congo. After extraction, the yield achieved is 0.52 percent . The gas chromatography (GC) and gazeusechromatographic mass spectrometry (GC/MS) coupling study indicated the existence of 15 constituents comprising 96.18% of the … Continue reading “Chemical Constituents of Mentha piperata L.(Lamiaceae) Essential Oil from Congo”

Variation in Chemical Composition and Antioxidant Activity of Fresh Tomato Fruit: Combined Effect of Cultivar and Storage

Posted on September 12, 2020Categories AgricultureTags , , , ,   Leave a comment on Variation in Chemical Composition and Antioxidant Activity of Fresh Tomato Fruit: Combined Effect of Cultivar and Storage

Tomato (Lycopersicon esculentum Mill.) is one of the most consumed vegetables in the world and probably the most preferred garden crop. It is a key component of the Mediterranean diet, commonly associated with a reduced risk of chronic degenerative diseases. Currently there are a large number of tomato cultivars with different morphological and sensorial characteristics. Its consumption brings health benefits, linked with its high levels of bioactive ingredients, including carotenoids such as β- carotene, a precursor of vitamin A, and … Continue reading “Variation in Chemical Composition and Antioxidant Activity of Fresh Tomato Fruit: Combined Effect of Cultivar and Storage”