期刊
FOOD CHEMISTRY-X
卷 16, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fochx.2022.100515
关键词
Advanced glycation end products; Cookies; Herbal tea; Methylglyoxal; Reactive carbonyl species
资金
- National Science and Technology Council, Taiwan
- Ministry of Education, Taiwan
- Taipei Medical University, Taiwan
- [109-2314-B-038-063]
- [110-2320-B-038-045]
- [111-2314-B-038-041-MY3]
- [110-2813-C-038-007-B]
- [DP2-111-21121-01-O-08-02]
- [TMU107-AE1-B14]
In thermally processed foods, heat-induced toxicants such as alpha-dicarbonyls and advanced glycation end products (AGEs) can be formed. The methylglyoxal (MGO)-trapping and antiglycative activities of herbal tea samples are strongly correlated with their phenolic and flavonoid contents. Rooibos tea exhibits the strongest MGO-trapping and antiglycative activities, reducing the levels of dicarbonyls and AGEs in cookies.
In thermally processed foods, several heat-induced toxicants are potentially formed due to the Maillard reaction, such as alpha-dicarbonyls and advanced glycation end products (AGEs). In the present work, we found that the methylglyoxal (MGO)-trapping and antiglycative activities of the herbal tea samples correlated strongly with their total phenolic and flavonoid contents. Among the tested herbal tea samples, rooibos exhibited the strongest MGO-trapping and antiglycative activities against AGEs formation. Aspalathin, orientin and isoorientin were further identified as the major bioactive compounds of rooibos that scavenged MGO to form the corresponding mono-MGO adducts. Moreover, the contents of dicarbonyls and AGEs in the cookie were remarkably reduced by fortification with rooibos. Altogether, our current findings suggested that rooibos might serve as a functional ingredient to reduce intake of dietary reactive carbonyl species (RCS) and AGEs from thermally processed foods, especially bakery products.
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