ESTATE CROPS NEWS – Wild ginger is one of Zingiberaceae family. Plant use as a medicine for stamina improvement, anticancer and antiinfection. Balittro had collected wild ginger from several area and potential characters should be evaluated. Characterization was conducted at Cicurug experimental garden – West Java on 2009-2010. Seed rhizome of nine acession was planted with 60 x 40 cm space, twenty numbers of plant each plot and three replication.
Obsevation was carried out for morphological characters, growth, yield, and rhizome quality. Resulat showed that there were varions in morphology and growth of wild ginger. Plant height, numbers of tillers, numbers of leaves, leaves lenth, leaves width, and stem diamter among acessions were variate.
Rhizome yield was generally more thant 15 ton/ha, rhizome having plnety of roots. Rhizome quality analysis showed that among accessions have essential oil content range from 1,34 – 4,61%, extract soluble water 16,22 – 23,5%, extract soluble ethanol 7,9 – 13,8%, fiber content 5,47 – 8,87% dan and carbohydrat content 40 – 50%.
GS-MS of wild ginger rhizome extract revealed totally around 50 constituent was detected. The highest constituent detected is zerumbone (36 – 49%). Moreover, acetic acid also detected in all accession with value range from 4.64 – 14.36%. Other major constituent are aplpha humulene, humulene oxide, beta-eudesmol, beta-selinene, linalool, 12-oxabicyclo, caryophilene oxide, 3-octadecyne, hexadecanoid acid, dan 3-octyne 5-methyl.
The composition of major constituent among collection numbers is different and reflected the differences of the flavour of the flesh rhizome. Seven collection numbers are having yield potential more than 15 ton/ha, essential oil content more than 1% and zerumbone content 40%. (\Sri Wahyuni, Nurliani Bermawie, dan Natalini Kristina/Balittro)
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