Economic Observation Network A high-end egg that sells for three or four yuan and claims to be "raw food", "antibiotic free", and "natural plant-based feed" has recently gone bankrupt. The anti-counterfeiting team led by Wang Hai revealed to @ 315 Chengsou.com that the artificial pigment lutein was detected in the yellow swan eggs purchased from Xuchang Pangdonglai Supermarket, with a content of 0.399mg/kg. Keratin, commonly known as cantharidin yellow, is an artificially synthesized pigment that turns egg yolks red. The yellow swan has always claimed that "the feed does not use any artificial colors" and "the egg yolk is naturally golden yellow". In March of this year, Chuanguan News was still promoting the scientific ratio of selected raw materials such as corn, soybean meal, and marigold to give egg yolks a natural golden color. Once the detectable results are released, where exactly is this' natural golden color '?

Experts explain that lutein has nothing to do with "plant-based natural formulas". Adding lutein in aquaculture aims to make the yolk color more attractive and attractive. If fed purely with plant-based feed, the egg yolk should be light yellow or light orange with seasonal changes, and it is impossible for every batch to be so evenly red.

This is not the first time that the Yellow Swan has been complained about. On the Black Cat platform, some consumers reported that the eggs they bought were "loose yellow and had a strange smell", and they had diarrhea after eating them. The platform only agreed to a refund and a coupon; There are also complaints about JD flagship store not shipping and poor customer service attitude. Even more outrageous is that a media investigation has found that some customer service representatives who can eat raw eggs privately state that they "do not recommend raw food" - why do consumers spend a high price on "raw food"?

Experts point out that the core of the problem lies not in the safety of the pigments themselves, but in the fact that businesses use cognitive biases to package ordinary eggs as "natural" high priced products. The "natural eggs" that consumers buy at a high price are actually made from pigments, and what they eat is a loss due to information asymmetry. The Yellow Swan has not yet made a public response to this matter.