1. The optimum ultrasonic extraction technology of trigonelline in pumpkin flesh was studied.

2. Trigonelline is unstable above 160 degrees F; the methyl group detaches, unleashing the niacin—vitamin B3—into your cup.

3. "Chlorogenic acid and trigonelline reduced early glucose and insulin responses during an OGTT, " the study authors write.

4. In this study, alcohol was used to extract trigonelline from pumpkin flesh.

5. Objective To determine the content of trigonelline in Radix Mirabilis.

6. Coffee also contains trigonelline, an antibacterial compound that not only gives it a wonderful aroma but may be a factor in preventing dental caries.

7. Coffee is a major source of the phenolic compound chlorogenic acid and the vitamin B3 precursor trigonelline that have been shown to reduce blood glucose concentrations in animal studies.

8. A method of high performance liquid chromatography was established for the analysis of trigonelline in coffee powder and instant coffee.

9. The best cup characteristic are produced when the ratio of the degradation of trigonelline to the derivation of Nicotinic Acid remains linear.

10. The goal of this study was to determine the acute effects of decaffeinated coffee, chlorogenic acid, and trigonelline on glucose tolerance in 15 overweight men.

11. METHODS orthogonal test and HPLC were carried out to determine the trigonelline and contents of Trigonella foenum-gracum L.

12. A method of high performance liquid chromatography is established for analysis of trigonelline in coffee powder and instant coffee.

13. METHODS orthogonal test and HPLC were carried out to determine the trigonelline and contents of Trigonella foenum-gracum L. by the different means of process.