A large batch of Thai longan sulfur exceeded the standard and was returned, causing the price to plummet to 1 yuan/jin.

Published 2025년 9월 3일

Tridge summary

Core tip: Recently, longan growers are urging the Thai Ministry of Commerce to negotiate with China to relax the new sulfur dioxide (SO2) testing standards. In late August, over 10 containers of longans were rejected by China as the sulfur content was detected to exceed 50 ppm. Meanwhile, the Thai Ministry of Commerce is waiting for the outcome of negotiations with the Chinese government, requesting a relaxation of the random inspection requirement that "the fruit content should not exceed 50 ppm (0.05 g/kg)."

Original content

The halt in procurement by longan processing factories and the termination of new futures contracts with orchards have led to a sharp drop in the export price of large orchard longans to 20-22 Thai baht/kg (4.4-4.8 yuan/kg), a significant decrease from the futures contract price of 28-32 Thai baht/kg (6.2-7.1 yuan/kg) in early July 2025. The price of small orchard longans has also fallen to 10-13 Thai baht/kg (2.2-2.8 yuan/kg). A longan orchard owner in the Soi Dao area of Chanthaburi Province recently stated that a large number of longans from Thailand are being returned. For example, 3 out of 50 containers of small longans at the export warehouse were returned, and more than 10 out of 90 containers at the large warehouse were also returned. Another 50-60 containers are still being transported by ship. After being picked, longans undergo fumigation or sulfur dioxide treatment to delay skin discoloration and reduce spoilage, resulting in a higher sulfur dioxide content in the ...

Source: Foodmate