Half of brand propolis is mixed with poplar gum

In view of the wide variety of propolis products and the phenomenon of pros and cons in the current propolis market, the Consumers Association of Jiangsu Province entrusted the Ministry of Entry and Exit Inspection and Quarantine Bureau of the province to inspect 15 brands of propolis products. The test results showed that half of the products were detected There is poplar gum.

Tong Tianwu, secretary-general of Jiangsu Association of Consumers, said that in recent years, some propolis manufacturers have adopted propolis as a method to reduce costs and increase the content of flavonoids in their products. Since artificially tanned gums are very similar in color, odor, and appearance, they are indistinguishable by the senses alone.

At present, the most authoritative method for detecting poplar in China is the "salin test method."

“Salixingin is an effective indicator to distinguish between propolis and poplar gum.” said Gu Zheng, secretary general of the Jiangsu Apiculture Association. Salicin is widely found in the buds, leaves, and barks of the plants of the genus Populus and Salix, while bees Salicylic acid can be hydrolyzed during the collection process, but salicin can be stably present in poplar processing. Therefore, if a salicylate component is detected in a propolis product, the product contains poplar gum. Plastic capsules.

Of the 15 brands that were spotted, 7 were found to have salicin in the propolis products. They were wolfberry mango propolis soft capsules, bouquet propolis capsules, lily brand propolis soft capsules, and forests of bees and propolis. Soft capsules, Yiyuan brand propolis soft capsules, Fulaixin brand propolis soft capsules, Australia Linda propolis capsules.