Research Article

A Rapid Screening Method for Sibutramine Hydrochloride in Natural Herbal Medicines and Dietary Supplements

Table 3

Effect of temperature on colorimetric reaction.

Temperature (°C)Phenomena

10No obvious pink insoluble substance forms within 30 s
15Pink insoluble substance forms within 30 s
20Pink insoluble substance forms within 30 s
25Pink insoluble substance forms within 30 s