意思 isolated yield
Isolated yield refers to the yield of a specific component or compound obtained from a natural source or a chemical reaction after isolation and purification. This term is commonly used in the fields of chemistry, biochemistry, and pharmaceuticals.
In chemistry, isolated yield is an important parameter for evaluating the efficiency of a synthesis or extraction process. It provides information on the quantity of the desired compound obtained after purification, which is crucial for further analysis and characterization. Isolated yield is usually expressed as a percentage, calculated by dividing the mass of the isolated compound by the mass of the starting material or the theoretical yield.
In biochemistry and pharmaceuticals, isolated yield is often used to assess the purity and potency of a specific compound obtained from natural sources such as plants, animals, or microorganisms. Many bioactive compounds, such as alkaloids, flavonoids, and terpenoids, have medicinal properties and can be isolated from natural sources for drug development.
The isolated yield of these compounds determines their potential for further research and application.
To achieve a high isolated yield, various techniques and strategies can be employed depending on the nature of the compound and the source material. Extraction methods such as solvent extraction, steam distillation, and supercritical fluid extraction are commonly used to separate the desired compound from the complex mixture. After extraction, purification techniques such as chromatography, crystallization, and recrystallization are employed to remove impurities and obtain a pure compound.
The isolated yield can be influenced by several factors, including the quality and quantity of the source material, the extraction and purification methods used, and the expertise of the researcher. It is crucial to optimize these factors to maximize the isolated yield and ensure the reliability and reproducibility of the results.
In addition to evaluating the efficiency of a synthesis or extraction process, isolated yield also plays a significant role in the economic and environmental aspects of chemical produ
ction. A high isolated yield means a higher yield of the desired compound, reducing the consumption of raw materials and energy. This contributes to cost savings and reduces waste generation, making the process more sustainable and environmentally friendly.
Furthermore, isolated yield is important in the context of drug discovery and development. Natural products have been a rich source of lead compounds for drug development, and the isolated yield of these compounds determines their potential for further exploration. High isolated yield allows for a sufficient supply of the compound for biological and pharmacological studies, as well as for the development of pharmaceutical formulations.
In conclusion, isolated yield refers to the yield of a specific compound obtained after isolation and purification from a natural source or a chemical reaction. It is a crucial parameter for evaluating the efficiency of a synthesis or extraction process, assessing the purity and potency of bioactive compounds, and optimizing the economic and environmental aspects of chemical production. Maximizing the isolated yield requires careful optimization of various factors and techniques, ultimately contributing to the advancement of chemistry, biochemistry, and pharmaceuticals.
parameter是什么意思啊

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。