Related Experiment Video
Updated: Feb 6, 2026
07:16
Preparation of Gynura bicolor DC samples for High-Resolution Tandem Mass Spectrometry
Published on: February 2, 2024
1.1K
[Chemical Constituents from Xanthium mongolicum]
Summary
Researchers identified ten chemical compounds from Xanthium mongolicum, with seven previously undiscovered in this plant. This study advances our understanding of the plant
Area of Science:
- Phytochemistry
- Natural Products Chemistry
- Pharmacognosy
Background:
- Xanthium mongolicum is a plant species with potential medicinal applications.
- Understanding its chemical composition is crucial for exploring its pharmacological properties.
Purpose of the Study:
- To identify and characterize the chemical constituents present in Xanthium mongolicum.
- To report novel compounds isolated from this plant species.
Main Methods:
- Silica gel and Sephadex LH-20 column chromatography were employed for isolation and purification.
- Structural elucidation was performed using spectral data and physicochemical characteristics.
Main Results:
- Ten compounds were successfully isolated and identified.
- These include hexadecanoic acid, methyl 3,4-dihydroxybenzoate, protocatechuic aldehyde, caffeic acid methyl ester, vanillic acid, 4-hydroxybenzoic acid, caffeic acid ethyl ester, chlorogenic acid, caffeic acid, and 3,4-di-O-caffeoylquinic acid.
Conclusions:
- Seven of the identified compounds (1-5, 7, and 10) represent the first reported isolation from Xanthium mongolicum.
- This research expands the known phytochemical profile of the species.
Related Concept Videos
02:37Experimental Determination of Chemical Formula
47.4K
The elemental makeup of a compound defines its chemical identity, and chemical formulas are the most concise way of representing this elemental makeup. When a compound’s formula is unknown, measuring the mass of its constituent elements is often the first step in determining the formula experimentally.
47.4K
02:52Chemical Formulas
61.3K
A chemical formula presents information about the proportions of atoms constituting a particular chemical compound or molecule, mainly using symbols of elements and numbers. At times other symbols, such as dashes, parentheses, brackets, commas, plus, and minus signs, are also used. A chemical formula can be one of three types – molecular, empirical, and structural.
61.3K
03:10Chemical Equations
81.7K
Chemical equations represent the identities and relative quantities of substances involved in a chemical reaction. The substances undergoing reaction are called reactants, and their formulas are placed on the left side of the equation. The substances generated by the reaction are called products, and their formulas are placed on the right side of the equation. Plus signs (+) separate individual reactant and product formulas, and an arrow (→) separates the reactant and product (left and right)...
81.7K
01:19Chemical Reactions
95.9K
A chemical reaction is a process by which the bonds in the atoms of substances are rearranged to generate new substances. Matter cannot be created or destroyed in a chemical reaction—the same type and number of atoms that make up the reactants are still present in the products. Merely, the rearrangement of chemical bonds produces new compounds.
Chemical Reactions Rearrange Atoms into New Substances
A chemical reaction takes starting materials—the reactants—and changes them...
Chemical Reactions Rearrange Atoms into New Substances
A chemical reaction takes starting materials—the reactants—and changes them...
95.9K
02:26Chemical Reactions
13.5K
A balanced chemical equation provides the information of chemical formulas of the reactants and products involved in the chemical change. A reaction’s stoichiometry helps predict how much of the reactant is needed to produce the desired amount of product, or in some cases, how much product will be formed from a specific amount of the reactant.
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in...
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in...
13.5K
02:37Types of Chemical Bonds
94.4K
Chemical bonding theories were pioneered by American chemist Gilbert N. Lewis. He developed a model called the Lewis model to explain the type and formation of different bonds. Chemical bonding is central to chemistry; it explains how atoms or ions bond together to form molecules. It explains why some bonds are strong and others are weak, or why one carbon bonds with two oxygens and not three; why water is H2O and not H4O.
94.4K