Lallemantia iberica

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Lallemantia iberica
Lallemantia iberica.jpg
Lallemantia iberica
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Lallemantia
Species:
L. iberica
Binomial name
Lallemantia iberica
(M.Bieb.) Fisch. & C.A.Mey.

Lallemantia iberica, known commonly as dragon's head, is a species of flowering plant in the mint family, Lamiaceae.

The plant has been cultivated for its seeds in southwestern Asia and southeastern Europe since prehistoric times. [1] Originally from the Caucasus and the Middle East, it spread throughout European and eastern countries. [2] Its vernacular name in Iran is balangu shahri. [3] The seeds contain the edible oil known as lallemantia oil. [4] The oil content of the seeds is about 30%, sometimes reaching up to 38%. The oil is used as a substitute for linseed oil in the production of varnish, furniture polish, ink, paint, soap, and linoleum. [1]

Uses and possibilities

Lallemantia iberica has many potentially interesting uses. Traditionally, it is used as a medical plant for the treatment of common cold, coughing, stomach and abdominal pain. [5] The interesting fatty acid pattern of its oil with many mono-acids and high amounts of omega-3-fatty acids, makes it nutritionally interesting. It could be used as preventative measures against cancer and slowing of the aging process and its analgesic, antibacterial and antioxidant effects are of high interest and are currently researched. [6] [7] [5]

The plant oil of Lallemantia iberica has a high content of alpha-linoleic acid. This shows great potential in the chemical industry as an epoxidized oil, which can in turn be used for plasticizers and stabilizers in rubber and also in the production of paints, varnishes and linoleum due to its fast drying ability. [8] [6] The seed mucilage of Lallemantia iberica is further investigated as a smart edible film. [9]

Cultural practices

The autumn sowing, in comparison with the spring sowing, has positive effect on many parameters. [10] Seed yield per plant, essential oil content and yield and antioxidant components of dragon's head showed better results in autumn sowing. [11] Autumn sowing also leads to better results on morphological traits. [11] The seedbed should be fine-grained and reconsolidated, since the dragon's head is a fine seed. After a proper tillage the optimal time for sowing is between mid-march and mid-april, when the temperature is constantly over 2 °C and 3 °C. Light frosts are not considered a major threat to the seedling. Due to its short vegetation period (90-120 days) a later sowing time is also applicable. This will lead to some losses in oil contents. The seed rate should be approximately 15 kg/ha (= 300 to 350 plants/m²). It is necessary to sow as flat as possible, the sowing depth should not exceed 2-3 cm. The seedlings generally emerge after one or two weeks. [6]

Fertilizers also have an effect on quantitative and qualitative characteristics of Lallemantia iberica. [12] Yield, yield components (like antioxidant concentration, etc.) of dragon's head were improved by the fertilization with thiobacillus and vermicompost. [13] In general this cultivar has a low demand for nitrogen. This means the nitrogen application should not exceed 70 kg N/ha. [6] To sum up, autumn sowing with thiobacillus, varmicompost or NPK fertilizer create a high antioxidant activity. [11]

Because the canopy is fast closing (generally three weeks after emergence) often no weed control is necessary. In wet years or on unfavorable locations, there is a risk of Botrytis stem rot. Overly dense sown crops increase the risk of disease. [6]

Harvesting is usually carried out with a combined harvester at the beginning of August. The stubble height should be as low as possible, because the seed set starts at approximately 10 cm above the soil. To achieve high storability it is necessary to reach at least 9% humidity. [6]

This plant is an annual herb growing to an average height around 40 cm (16 in). The toothed or serrated leaves are in opposite pairs at the stem nodes. Inflorescences emerge from the leaf axils and bear white, lipped flowers each about 1 cm (0.4 in) long. They are pollinated by insects. [1]

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References

  1. 1 2 3 Ion, V.; Băşa, A.Gh.; Săndoiu, D.I.; Obrişcă, Mihaela (2011). "Results regarding biological characteristics of the species Lallemantia iberica in the specific conditions from South Romania" (PDF). UASVM Bucharest, Series A. 54: 275–80.
  2. ↑ Sadeghi-Varkani, Atina; Emam-Djomeh, Zahra; Askari, Gholamreza (2017). "Physicochemical and microstructural properties of a novel edible film synthesized from Balangu seed mucilage". International Journal of Biological Macromolecules. 108: 1110–1119. doi:10.1016/j.ijbiomac.2017.11.029. PMID   29126944.
  3. ↑ Naghibi, Farzaneh; Mosaddegh, Mahmoud; Mohammadi Motamed, Saeed; Ghorbani, Abdolbaset (2005). "Labiatae Family in folk Medicine in Iran: from Ethnobotany to Pharmacology". Iranian Journal of Pharmaceutical Research. 4 (2): 63–79. doi:10.22037/ijpr.2010.619.
  4. ↑ Megaloudi, F. (2006). Plants and Diet in Greece from Neolithic to Classic Periods: the archaeobotanical remains. Oxford: Archaeopress. ISBN   1-84171-949-8.[ page needed ]
  5. 1 2 Al-Snafi, Ali. (2019). Medical Benefit of Lallemantia Iberica-A Review. To Chemistry Journal. 9. 97-102.
  6. 1 2 3 4 5 6 Biertümpfel, A., T. Graf, G. Reinhold, und R. Schmatz. 2005. Leitlinie zur effizienten und umweltverträglichen Erzeugung von Iberischem Drachenkopf. Thüringer Landesanstalt für Landwirtschaft.
  7. ↑ Khosravi Dehaghi N., Gohari A., Sadat-Ebrahimi S., Naghdi Badi H., Amanzadeh Y. (2016). Phytochemistry and antioxidant activity of Lallemantia iberica aerial parts. Research Journal of Pharmacognosy. 27-34.
  8. ↑ Haitz, F., Radloff, S., Rupp, S. et al. Chemo-Enzymatic Epoxidation of Lallemantia IbericaSeed Oil: Process Development and Economic-Ecological Evaluation. Appl Biochem Biotechnol 185, 13–33 (2018). https://doi.org/10.1007/s12010-017-2630-1
  9. ↑ Taghinia, P, Abdolshahi, A, Sedaghati, S, Shokrollahi, B. (2021). Smart edible films based on mucilage of lallemantia iberica seed incorporated with curcumin for freshness monitoring. Food Sci Nutr.; 9: 1222–1231. https://doi.org/10.1002/fsn3.2114
  10. ↑ Ahmadi, R. (2021-03-21). "Effects of sowing date and nitrogen fertilizer on quantitative and qualitative characteristics, and nitrogen efficiency in Lallemantia iberica (M.Bieb.) Fisch. & C.A.Mey. and Lallemantia royleana (Benth.) Benth". Iranian Journal of Medicinal and Aromatic Plants Research. 37: 65–82. doi:10.22092/ijmapr.2021.351894.2864.
  11. 1 2 3 Maddahi, Shayesteh; Rahimi, Amir; Siavash Moghaddam, Sina; Pourakbar, Latifeh; Popović-Djordjević, Jelena (2022). "Effects of Sowing Time and Chemical, Organic, and Biological Fertilizer Sources on Yield Components and Antioxidant Properties of Dragon's Head (Lallemantia iberica (M. Bieb.) Fisch. & C. A. Mey)". Journal of Plant Growth Regulation. 41 (3): 1276–1290. doi:10.1007/s00344-021-10371-w. ISSN   0721-7595.
  12. ↑ Mohammadghasemi, Vida; Siavash Moghaddam, Sina; Rahimi, Amir; Pourakbar, Latifeh; Popović-Djordjević, Jelena (2021). "The Effect of Winter Sowing, Chemical, and Nano-Fertilizer Sources on Oil Content and Fatty Acids of Dragon's Head (Lallemantia iberica Fischer & C.A. Meyrefeer)". Journal of Plant Growth Regulation. 40 (4): 1714–1727. doi:10.1007/s00344-020-10220-2. ISSN   0721-7595.
  13. ↑ Maddahi, Shayesteh; Rahimi, Amir; Moghaddam, Sina Siavash; Pourakbar, Latifeh; Popović-Djordjević, Jelena (2021-02-24). Morphological Traits and Nutrient Uptake of Dragon’s Head (Lallemantia Iberica Fish.): Effects of Sowing Seasons and Different Fertilizer Sources (Report). In Review. doi:10.21203/rs.3.rs-224125/v1.
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