What is driving the recent price surge for cinobufagin toad venom in Chinese herbal medicine markets?

What is driving the recent price surge for cinobufagin toad venom in Chinese herbal medicine markets?
Cinobufagin prices have climbed steadily due to a combination of shrinking inventories and steady downstream demand. Market reports from late 2023 through 2024 indicate that stocks have been progressively depleted, while incoming supplies remain limited. Pharmacopoeia-compliant material with 7.0% toxin content has moved from 65,000 RMB/kg to 75,000 RMB/kg, with some quotes reaching 85,000 RMB/kg during periods of active procurement. The product's specialized processing requirements—venom must be dried in copper molds away from iron contact for over a month—limit the pool of qualified suppliers. Additionally, cinobufagin is a state-controlled medicinal material, restricting production expansion. Unlike bulk herbs, its market is characterized by small-batch, frequent transactions rather than large-volume trading, making prices sensitive to even modest demand shifts from pharmaceutical buyers.