The commodity of Curcuma spp. sold in the traditional markets of Yogyakarta

Curcuma is a member of the Zingiberaceae family. In the traditional market, Curcuma soldby empon-empon trader. Previous research reported that some Curcuma species are rare to be found and were sold by traders. Therefore, there is a concern regarding the possibility of Curcuma spp. extinction. Research objectives are: (1) to find the number of empon-empon traders in Yogyakarta; (2) to know the percentage of the number of rhizomes found in traditional markets in Yogyakarta; and (3) to find whether the Curcuma species are found completely in the Yogyakarta traditional market. The research was conducted by exploration of traditional market in Yogyakarta. The data were analyzed by the Cochran test. Research results showed that the percentages of rhizomes are as follow: temu ireng (C. aeruginosa) (27.59), temu giring (C. heyneana)(31.03), turmeric (C. domestica) (93.10), temu mangga (C. mangga) (27.59), temu glenyeh (C. soloensis) (0), temu lawak (C. xanthorrhiza) (64.29), and temu putih (C. zedoaria) (17.86), sold by empon-empon traders. Some Curcuma were rare in nature such as C. mangga, C. heyneana, C. purpuracens, C. soloensis, C. euchroma, C. colorata, and C. borg. The rhizome of Curcuma spp. is found to be incomplete in the traditional markets of Yogyakarta. © Published under licence by IOP Publishing Ltd.