Data regarding the morphologic and chemical characterization of Trigonella foenum-graecum seeds

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Article Title:	Data regarding the morphologic and chemical characterization of Trigonella foenum-graecum seeds
Authors:	George-Ciprian Pribac, Aurel Ardelean, Violeta Turcus, Claudia-Crina Toma, Coralia Cotoraci, Liana Moș, Constantin Craciun
Affiliation:	1 ”Vasile Goldis” West University Arad, Romania, 2 ”Babes-Bolyai” University, Cluj-Napoca, Romania
Abstract:	Trigonella foenum-graecum is an annual, herbal specie, that grows spontaneously on cereals crops and is also known as fenugreek. As powder, the drogue can be identified through chromatography, in the following experiment conditions. Test solution: 1,0g drogue powder mixed with 0.5 ml methanol for 5 minutes in the water bath, heated at 65OC, afterwards chilled and filtrated. Reference solution: 3,0 mg hydrochloric trigonelin dissolved in 1,0 ml methanol. Load: 20 μl test solution and 10 μl reference solution correspond to 2 cm of GF 254 silica gel tape. Solvent system: water – methanol (30 – 70) and migration distance: 10 cm; detection and evaluation: within UV light, with λ=254 nm wavelength. The fenugreek has in its chemical composition 45-60% carbohydrates, especially mucilages located in the call walls; in the endosperm two types of galactomanans are predominant: 1,4-β-glicosil-manose which alternates with α-glicosil-manoze, both connected with a small proportion of xilose. Also, starch and oligo-sacharide fibres are present. As conclusion, even if at least 11 vegetal products were identified, with hypo-cholesterol potential, the proofs remain limited. Along the cholesterol reduction property, some of these plants may have positive aspects for cardio-vascular disorders, by increasing the HDL level and inhibiting the lipid oxidation. The adverse effects of these cures are almost insignificant. Nevertheless, new researches are necessary to establish the therapeutic value of these plants in the hyper-cholesterolemy treatment.
Keywords:	Trigonella sp., seeds, morphochemical characterization, diosgenin, trigonellin
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*Correspondence:	Pribac George-Ciprian, „Vasile Goldis” West University Arad, Faculty of Medicine, Pharmacy and Dental Medicine, Department of Cell and Molecular Biology, no. 1 Feleacului St., Arad, +40-257-212204, e-mail: gpribac@uvvg.ro