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    Blue Fenugreek (Trigonella caerulea [Desr. ex Lam.] Ser.)

    Synonyms

    Trigonella caerulea/coerulea: Blue-white clover flowers
    Blue fenugreek with flowers
    botTrigonella coerulea, Trigonella melilotus-caerulea, Melilotus caeruleus, Trifolium caeruleum, Grammocarpus caeruleus
    CzechPískavice modrá
    DanishMølurt
    DutchZevenjaargetijden klaverm, Honingklaver soort, Zevengetijdeklaver
    EnglishBlue-white clover, Blue-white trigonella, Sweet trefoil, Curd herb, Blue melilot
    EstonianSinine lambalääts
    FinnishSinisarviapila, Sinihärkylä
    FrenchTrigonelle bleue, Mélilot bleu, Baumier, Trèfle musque, Trèfle bleu, Lotier odorant, Mélilot d'Allemagne
    GermanSchabziegerklee, Blauer Steinklee, Blauklee, Bisamklee, Brotklee, Hexenkraut, Ziegerkraut, Zigerchrut, Ziegerklee, Käseklee, Blauer Honigklee
    ItalianBalsamo, Loto domestico, Meliloto azzurro, Fieno-greco ceruleo
    LatvianZilais sierāboliņš
    PolishKozieradka błękitna
    PortugueseTrevo-azul
    RomanianMolotru albastru, Sulcină albastră
    RussianПажитник голубой
    Pazhitnik goluboj
    SpanishMeliloto azul
    SwedishBlåväppling
    Trigonella caerulea: Blue clover plants in full flower
    Flowering blue fenugreek plants

    www.rz.uni-karlsruhe.de

    Trigonella caerulea: Blue fenugreek plant
    Blue fenugreek plant

    Used plant part

    All aerial parts, harvested at flowering time and always used dried.

    Plant family

    Fabaceae (bean family)

    Sensory quality

    Dried blue fenugreek as an aromatic, spicy flavour, similar to dried fenugreek herb, but somewhat milder.

    Main constituents

    According to a somewhat older publication, α-keto-acids are responsible for the flavour of blue fenugreek: pyruvic acid, α-keto glutaric acid, α-keto isovalerianic acid and even α-keto isocapronic acid. (Gordian, 86, 9, 1986)
    This is astonishing: From considering related plants, one would have expected five-membered heterocycles (as in the closely related fenugreek) or coumarins (as in the related genus Melilotus, honey clover). On the other side, reaction of α-ketocarboxylic acids towards heterocycles has been observed during wine storage. (Journal of Agricultural and Food Chemistry, 43, 2616, 1995)

    Unfortunately, there is no newer work on the flavour of this spice.

    In the seeds of blue fenugreek, diosgenin glycosides were found which also appear in fenugreek seeds.

    Origin

    Blue fenugreek is found in the Alps, in the mountains of Eastern and South Eastern Europe and in the Caucasus.

    Etymology

    The German name Schabziegerklee (usually spelt Schabzigerklee in Swiss German) alludes to the herb's usage in cheese making, for Ziger is a regional, mostly Swiss, word for the milk proteins (casein) that remain after the whey has been separated. Cf. Zigerkraut “herb for Ziger”.
    Trigonella caerulea: Blue Fenugreek flower
    Blue fenugreek inflorescence

    Most other names allude to the characteristic blue flowers, which distinguishes blue fenugreek from its relatives of genera Trigonella, Trifolium and Melilotus. Examples of the adjective “blue” in the names above are Swedish blå, Italian azzurro, Latin caeruleus (coeruleus, from coelum “sky”), Polish błękitny and Estonian sinine.

    Yet some other names are motivated by the aromatic fragrance of blue fenugreek: Italian balsamo (see lemon balm for more explanations on “balsam”) and French trèfle musque “musky trefoil” (see also nutmeg) or lotier odorant “fragrant trefoil”.

    Selected Links

    Gewürzkontor Condimento: Schabzigerklee Öko-Brotgewürz Schabzigerklee Hobbybäcker-Versand: Brotklee aus Südtirol Bäckerei Pinzer: Südtiroler Brotklee brotklee.it — Zigainerkraut — Brotklee


    Trigonella caerulea: Flowering South Tyrolean bread clover
    Blue fenugreek from South Tyrol in flower
    Blue fenugreek is a culinary herb native to the Alps in Central and Western Europe; it is little known outside this region. It is used to flavour foods typical for the Alpine region: In the West (Switzerland), it is added to a few cheese varieties, and in the South (South Tyrol) it lends a special flavour to local rye breads.

    Cheese is produced in a wide area from Ireland to Central Asia, and from Northern Africa to Norway; but the countries of Western and Central Europe produce the greatest variety of cheese products. That has several reasons: Production of milk has a tradition going back several millennia in these thin-populated areas, and there is general tolerance for lactose in the population; consequently, cheese is produced as a kind of “preserved milk” that allows to store the nutritional value of milk protein. Furthermore, in the Alps a large number of regional cheese traditions has evolved due to geographic isolation.
    Trigonella caerulea: Bread clover flowers
    Flowers of blue fenugreek

    Milk, essentially, contains two different types of proteins: Casein, which precipitates when treated with acid or certain enzymes, and lactoglobulines, (whey proteins) which are more soluble. Most cheese types consist only of the former, which is precipitated, dried and then allowed to ripen in a fashion characteristic for each cheese. Ripening is usually performed with bacteria, often types which are local to a specific region; some cheeses, however, are treated with molds (often of genus Penicillum); that procedure leads to a particularly strong and characteristic aroma.

    In cheese production, spices are of minor importance. There are some soft cheeses flavoured with garlic or pepper (usually green pepper), but other spices are seen only rarely. In Southern Germany, there are local cheeses spiced with caraway; I have read that cumin is used for the same purpose in Holland and France, but I have never seen such a cheese. Hungary, of course, has some paprika-flavoured cheese varieties. Fresh cheese, which has only a mild flavour, is often covered with dried herbs (oregano, thyme), particularly in the Mediterranean. Lastly, some cheeses contain annatto seed extract (bixin) as a colourant, e.g., British cheddar.
    Trigonella caerulea: Schabziegerkäse
    Swiss cheese flavoured with blue fenugreek

    Cheese flavoured with blue fenugreek (Schabzigerkäse, occasionally transcribed into English as “sap sago cheese”) is a specialty local to the region around Glarus, in the Swiss canton of the same name. This cheese is twice ripened, ground, mixed with blue fenugreek powder and then cast into its final shape. Blue fenugreek not only gives a unique flavour, but also a pale green colour to this cheese. Like most other hard cheese varieties, Schabziger is mostly used as a flavouring: It is a tasty, unusual alternative to Italian Parmigiano for pasta dishes; it can be used for several types of stuffings; or can be mixed with butter to give a milder bread spread.

    Blue fenugreek is not commonly used to flavour other types of cheese, besides bread spreads based on cottage cheese. It is, generally, not much used for foods prepared in home kitchens, although it is occasionally called for in Swiss potato foods, where it indeed makes good appearance. I have read rumours about blue fenugreek being a component of the Georgian spice mixture khmeli-suneli (see marjoram), but that is maybe just a confusion with regular fenugreek herb, although blue fenugreek does grow in Georgia.
    Trigonella caerulea: Blue clover flower heads
    Inflorescence of blue fenugreek

    www.rz.uni-karlsruhe.de

    Independently, blue fenugreek appears in another specialty of the Alps, namely South Alpine rye breads, whence the name Brotklee (“bread clover”). Ground blue fenugreek leaves are added in minute amounts to the dough of rye breads in Tyrol and Southern Tyrol (which is part of Italy, where it is referred to as Alto Adige). These breads, already quite flavourful, acquire a unique taste from the blue fenugreek. The herb is dried by a special procedure including a fermentation step; therefore, it acquires a strong, characteristic aroma.

    Rye breads (often referred to as dark or black breads) are a typical food of the cooler regions of Europe, since rye thrives better than wheat in such climate. Gluten, the protein that makes wheat flour dough elastic, is mostly absent from rye, and consequently, rye bread is dense and less aired than wheat bread; furthermore, they have a “dark”, earthy flavour that anybody accustomed to rye bread will miss when travelling through regions where only wheat bread is baked. Because of their more intense base aroma, rye breads are quite often flavoured with spices, e.g., pumpkin seeds, coriander, fennel or caraway fruits.

    Outside of Central, Eastern and Northern Europe, bread is mostly produced from wheat flour (“white bread”); there are innumerable local varieties differing in the composition of the dough, the fermentation procedure and additional components (diary products, boiled potatoes, olive oil). Wheat bread is often flavoured with nutty-tasting seeds sprinkled over the surface before baking (poppy, sesame); sometimes, the dough is enriched with flavourings (fried onions, garlic). In the Eastern Mediterranean, bread flavoured with mahaleb cherry stones is baked, and Turkish breads often are sprinkled with nigella seeds. In the Indian Himalayas, I have once eaten ajwain-sprinkled bread, but I think this was quite an exception and not typical for cuisine in Ladakh.



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    Modification date: 26 Oct 2002