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    Fingerroot (Boesenbergia pandurata (Roxb.) Schltr.)

    Synonyms

    Boesenbergia pandurata: Fingerroot plant
    Fingerroot plant with flower

    kanchanapisek.or.th       © Thai Junior Encyclopedia

    Boesenbergia pandurata: Fingerroot rhizome
    Fingerroot rhizome

    kanchanapisek.or.th       © Thai Junior Encyclopedia

    botKaempferia pandurata Roxb.
    ChineseSuo Shi
    Chinese
    (Cantonese)
    凹脣薑 [lāp sèuhn gēung]
    Lap seuhn geung
    Chinese
    (Mandarin)
    凹脣薑 [āo chún jiāng]
    Ao chun jiang
    CzechČíňan zázvor
    DutchTemoe koentji
    EnglishChinese ginger, Chinese key, Lesser ginger
    GermanChinesischer Ingwer, Fingerwurz
    HungarianKínai gyömbér
    IndonesianTemu kunci
    Japaneseガジュツ
    Gajutu
    KhmerKhchiey
    Korean핑거루트
    Pinggeo-rutu, Pinngo-rutu
    LaotianHouo ka sai, Kasay, Neng Kieng
    LithuanianBesenbergija
    Thaiขิงซาย ขิงแคง, กระชาย
    Ka-aen, Wan-phraathit, Khingsai khingkaeng, Ka chai, Kra chai
    VietnameseBồng nga truật, Cú ngái
    Bong nga truat, Cu ngai

    Note

    The identity of the spice is sometimes also given as Boesenbergia rotunda (L.) Mansf. If the two plants are distinct at all, then they can probably be used interchangeably.
    Boesenbergia pandurata: Fresh fingerroot
    Fresh fingerroot

    Used plant part

    Rhizome.

    Plant family

    Zingiberaceae (ginger family).

    Sensory quality

    Fingerroot has a strong, dominating flavour that I would, lacking a better term, classify as “medical”. It is an interesting fact that the “fingers” and the central, globular part of the rhizome have different odour, but I do not know of any recipe making use of that.

    Main constituents

    Fingerroot contains 1 to 3% of an essential oil. Several aroma components have been identified, 1-8 cineol, camphor, d-borneol and methyl cinnamate being the most important. Trace components are d-pinene, zingiberene, zingiberone, curcumin, zedoarin and others. In other context, the rose-flavoured monoterpenoid alcohols geraniol and nerol are named.

    Among the non-volatile constituents, flavones and flavonoids (pinostrobin, alpinetin, pinocembrin), chalcones (cardamonin) and dihydrochalcones (boesenbergin A) have been identified. Cardamonin is under investigation because of its anti-tumor properties.
    Boesenbergia pandurata: Fingerroot flower
    Fingerroot flower

    www.ruehlemanns.de

    Origin

    Southern China and Southeast Asia.

    Etymology

    I don't know the derivation of the genus name, Boesenbergia; probably it refers to a personal name, e.g., Boesenberg or Bösenberger, but I didn't find any references. The genus-name panduratus derives from Greek pandoura [πανδοῦρα] “fiddle”, which in turn was named after the god Pan [Πάν], who used to play that instrument. The underlying idea seems to be a comparison of the fiddle's strings to the rhizome's tubers.

    The element kunci “key” in the Indonesian name also refers to the shape of the rhizome (cf. the English name Chinese keys, which is common in Singapore).

    Selected Links

    Sorting Boesenbergia names (www.plantnames.unimelb.edu.au)



    Boesenbergia pandurata: Chinese ginger flower
    Fingerroot flower

    www.boga.ruhr-uni-bochum.de

    Boesenbergia pandurata: Fingerroot plant
    Fingerroot plant with flower

    kanchanapisek.or.th       © Thai Junior Encyclopedia

    Fingerroot is the best English name that can be devised for this South-East Asian spice, which has become generally known in the West only in recent years. Fingerroot is used as a medicine, not for cooking, in China, and it is a rare spice in the cuisines of Vietnam and Indonesia: I have seen it appearing in markets in, e.g., Saigon or Bukittinggi, but corresponding cookbooks usually do not mention it.

    It is only Thai cooking, however, where fingerroot plays the rôle of an important flavouring. Although it is employed in lesser extent than the related spices ginger and galanga, it often goes into curries, particularly fish curries (see coconut about Thai curry pastes) and it is a common ingredient for vegetable stews or fish soups (together with kaffir lime leaves). It can be grated or, more rarely, used in form of thin slices.

    The dried rhizome has a somewhat stronger, more medical flavour and would not be used if the fresh rhizome is available (which, in Thailand, it is almost always). If you have to resort to the dried spice, you should soak it in warm water and grind it into a paste.

    Fingerroot is quite often available in Thai food stores, where it is easy to identify by its peculiar shape. Nevertheless, cookbooks often prove guilty in confusing it with related rhizome spices, particularly the Indonesian spice lesser galanga, whose name kencur (often in Dutch spelling kentjoer) is often misapplied to fingerroot.



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    Modification date: 29 Apr 2003