関連する実験動画

Updated: Feb 8, 2026

Author Spotlight: Exploring Tea Aroma Using Solvent-Assisted Flavor Evaporation Technique

Author Spotlight: Exploring Tea Aroma Using Solvent-Assisted Flavor Evaporation Technique

Published on: May 26, 2023

異なる加工方法によるごま油の物理化学的および風味プロファイルの特性評価：品質管理と市場規制への応用

Yong Yang¹, Timothy J Tse², Jinglun Zhou³

¹Wuhan Institute for Food and Cosmetic Control, Wuhan 430012, China; Key Laboratory of Edible Oil Quality and Safety, State Administration for Market Regulation, Wuhan Institute for Food and Cosmetic Control, Wuhan 430012, China.

|February 6, 2026

Abstract:

Sesame oil represents a high-risk commodity due to its susceptibility to adulteration and safety concerns. The physicochemical properties and flavor profiles of oils produced via hot water extraction, cold pressing, and blending were analyzed. Fatty acid composition was determined using gas chromatography-mass spectrometry, while 3-monochloropropane-1,2-diol esters (3-MCPDEs) and glycerol esters (GEs) were quantified by isotope dilution-alkaline hydrolysis-GC-MS. Volatile compounds were characterized using an electronic nose and headspace solid-phase microextraction comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry. Oils from hot water extraction and pressing complied with China national standards, whereas the blended oil was characterized by altered fatty acid ratios. Elevated concentrations of 3-MCPDE and GEs were detected in commercial hot water-extracted and blended oils. Thirty-six volatile compounds were identified, and principal component analysis revealed distinct flavor profiles associated with each processing method. These findings provide a basis for adulteration detection and quality control through fatty acid and volatile compound profiling.

キーワード:

3-クロロプロパノールエステル混和 E-ノーズ風味物質グリシジルエステルごま油

さらに関連する動画

NMR Spectroscopy as a Robust Tool for the Rapid Evaluation of the Lipid Profile of Fish Oil Supplements

Published on: May 1, 2017

Preparation of High-Quality Fermented Fish Product

Preparation of High-Quality Fermented Fish Product

Published on: August 23, 2019

関連する概念動画

Quality Control

Quality Control

Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...

Chromatin Structure Regulates pre-mRNA Processing

Chromatin Structure Regulates pre-mRNA Processing

In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...

Introduction to Statistical Process Control

Introduction to Statistical Process Control

Statistical Process Control (SPC) is a method used to monitor and control quality within processes, particularly in manufacturing and service delivery, by employing statistical methods. SPC aims to distinguish between natural (common cause) variation and variation due to specific changes or events (special cause), allowing for timely improvements and sustained quality. The control chart, a pivotal tool in SPC, visually displays data over time alongside a central line of upper and lower control...

Birth Control Methods

Birth Control Methods

Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...

Regulated Protein Degradation

Regulated Protein Degradation

It is vital to regulate the activity of enzymatic as well as non-enzymatic proteins inside the cell. This can be achieved either through creating a balance between their rate of synthesis and degradation or regulating the intrinsic activity of the protein. Both these regulation mechanisms play an essential role in the normal functioning of cells.
Protein degradation plays two important roles in the cells. It helps to protect cells from misfolded or damaged proteins before they lead to a...

The Scientific Method in Nursing Process

The Scientific Method in Nursing Process

The scientific method provides the foundation for any research. It is the most reliable and objective of all forms of gaining knowledge and guides in applying research-based evidence in practice and conducting future research.
When using research findings to change practice, one must understand the process used to guide a study. The scientific method is a systematic, step-by-step process that supports the data's validity, reliability, and generalizability. As a result, findings can be...