Evaluation by electronic tongue and headspace-GC-IMS analyses of the flavor compounds in dry-cured pork with different salt content
2020
Tian, Xing | Li, Zong Jun | Chao, Yu Zhou | Wu, Zhong Qin | Zhou, Ming Xi | Xiao, Shu Ting | Zeng, Jian | Zhe, Jie
Traditional dry-cured pork, a meat product with a unique flavor and good chewability, occupies an important place in the Chinese market. However, the salt content of dry-cured pork is on the high side and long-term consumption of high-salt meat products is not good for human health. This study determined the role of salt in volatile organic substances and non-volatile taste components of dry-cured pork. Dry-cured pork samples with different salt content (0%, 1%, 3%, 5%, and 7%) were analyzed by electronic tongue for moisture content, pH, salt (NaCl) value, taste activity value, free amino acids, and taste components and by headspace-gas chromatography-ion mobility spectrometry for volatile organic components. The results showed that the moisture content of the tested samples decreased while the salt content increased. The highest amounts of free amino acids were found in dry-cured pork with 3% salt content (P < 0.05). The highest peak area of volatile organic compounds and the maximal taste indexes were found in dry-cured pork with 3% and 5% salt content.
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Эту запись предоставил National Agricultural Library