Fatty acid methyl ester

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In biochemistry, to analyze the levels of various fatty acids in a sample, lipids are extracted and derivatized into FAMEs using methylating reagents such as BSTFA. The resulting FAMEs can then be separated by gas chromatography, allowing for quantification and determination of isotopic abundances.

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Detailed introduction

　　Fatty acid methyl esters (FAMEs) are produced via the methylation of fatty acids. Biodiesel is primarily composed of fatty acid methyl esters.

　　In biochemistry, to analyze the content of various fatty acids in a sample, lipids are extracted and derivatized into FAMEs using methylating reagents such as BSTFA. The resulting FAMEs can then be separated by gas chromatography, allowing for quantification and determination of isotopic abundances, among other analyses.

　　China’s fatty acid methyl ester industry has undergone a leap‑forward development. As crude oil prices have continued to rise, efforts to find alternatives to diesel have been steadily put into practice. China boasts abundant renewable resources, such as vegetable and animal oils, which generate substantial by‑products during processing—ranging from glycerides of fatty acids in ester form to free fatty acids. The fatty acids involved typically have long carbon chains; when their carbon chain length falls within the 12–18 range, their corresponding methyl esters constitute the fundamental building blocks of biodiesel. Consequently, following 2006, the number of enterprises investing in biodiesel production in China increased rapidly.

　　However, compared with petro‑diesel, biodiesel struggles to compete in terms of performance and cost‑effectiveness; aside from limited use in marine diesel engines, it is difficult to find broader applications as a fuel. Consequently, many biodiesel producers face the challenge of transitioning their operations.

　　However, biodiesel has already been integrated into the diesel blending sector, addressing the environmental shortcomings of conventional petro‑diesel and other related issues. Moreover, the state has established a national standard for B5 biodiesel. Consequently, the outlook is promising; all that remains is to intensify efforts to promote its widespread adoption.

　　Because fatty acid methyl esters can be further processed into epoxidized fatty acid methyl esters, and the latter have seen widespread adoption in the plasticizer industry as an environmentally friendly alternative to phthalate-based plasticizers, many biodiesel producers have shifted their business toward plasticizer manufacturing. Biodiesel derived from plant-based feedstocks typically features a high degree of unsaturation in its carbon chains, making it well suited for plasticizer production; by contrast, animal fats, with their higher saturation levels, are less appropriate for this purpose.

　　Internationally, the European Union and the United States, guided by sustainable development strategies, are also committed to advancing the biodiesel industry as an alternative to petroleum-based energy. Thanks to government subsidies, these regions source biodiesel feedstocks directly from edible oils such as rapeseed oil. In contrast, in China, the primary feedstocks for producing fatty acid methyl esters (biodiesel) are by‑products of the oil‑and‑fat industry and renewable resources from the catering sector. China has also conducted research on producing biodiesel from oils and oilseed crops; however, this work remains at the conceptual stage, with no industrial-scale production yet in place.

Our Vision

The company will uphold its core values of “green sustainability, responsibility, innovation, and mutual success,” dedicating itself to the comprehensive utilization of waste oils and agricultural and forestry biomass. It is committed to building an advanced bioenergy‑chemical eco‑industrial chain, thereby contributing green, environmentally friendly, and renewable clean energy to society.

Our Vision

Dadi Bio Group owns several subsidiaries, including Beijing Biwode Technology Development Co., Ltd., Dirun Energy Technology (Hubei) Co., Ltd., Hubei Nordford Biotechnology Co., Ltd., and Wuhan Dadi Mingyao Biotechnology Co., Ltd. The company has engaged the Expert Committee of the National Biodiesel Industry Collaboration Group as its advisory team, ensuring that its research and development efforts remain aligned with the latest and most advanced research directions and design principles.

关键词：脂肪酸柴油生物我国由于

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大地生物旗下公司：

Beijing Biwode Technology Development Co., Ltd.

Dirun Energy Technology (Hubei) Co., Ltd.

Hubei Nordford Biotechnology Co., Ltd.

Wuhan Dadi Mingyao Biotechnology Co., Ltd.