Current Issues of Pharmacy and Medical Sciences

Enzymatic spectrophotometric determination of soluble oxalate content in some multiherbal functional products reducing stress

Current Issues in Pharmacy and Medical Sciences Vol. 26, No. 2, Pages 171-175

BEATA SPERKOWSKA, GRZEGORZ BAZYLAK

Department of Bromatology, Faculty of Pharmacy, Colle gium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland

DOI: 10.12923/j.2084-980X/26.2/a.12

 

Abstract

The aim of the study was to determine, with a highly selective and specific enzyme-spectrophotometric procedure, the unknown and not recognized soluble oxalate (SO) content in the aqueous infusions prepared from the randomly chosen series of 15 multiherbal functional products (MFP) commercially available in Poland and recommended for treatment of depression, mood relief and reducing of chronic stress induced by gastric lesions, secondary hypertension or hypercholesterolemia. The mean content of soluble oxalate in the all set of 15 studied MFP products was 1.34 mg/100 mL of the freshly prepared infusion. However, the highest mean content of soluble oxalate (above 2.0 mg/100mL infusion) was determined only in the  studied five MFP containing mainly green tea, rooibos, peppermint and ginger rhizome. This highest amount of SO was comparable with previously reported levels of this antinutrient substance determined in case of the commonly drunk green tea infusions. The results of principal components analysis (PCA) revealed a significant relation between unique herbal composition of analyzed dry MFP and the variables characterizing their fresh aqueous infusions as pH, total acidity and level of soluble oxalates.

Files to download

Keywords

oxalate acid, oxalates, multiherbal functional products, depression

References

  1. Al-Wahsh I.A.: A comparison of two extraction methods for food oxalate assessment. J. Food Res., 1(2), 233, 2012.
  2. Albersmeyer M. et al.: Acute kidney injury after ingestion of rhubarb: secondary oxalate nephropathy in patient with type 1 diabetes. BMC Nephrology, 13(13), 141, 2012.
  3. Chai W., Liebman M.: Oxalate content of legumes, nuts, and grain-based flours. J. Food Comp. Anal., 18(7), 723, 2005.
  4. Charrier M.J.S., Savage G.P., Vanhanen L.: Oxalate contents and calcium binding capacity of tea and herbal teas. Asia Pacific J. Clin. Nutr., 1(4), 298, 2002.
  5. Dwyer A.V., Whitten D.L., Hawrelak J.A.: Herbal medicines other than St. John's Wort, in the treatment of depression: a systematic review. Altern. Med. Rev.,16(1), 40, 2011.
  6. Dziurkowska E., Wesołowski M., Dziurkowski M.: Salivary cortisol in woman with major depressive disorder under selective serotonin reuptake inhibitors therapy. Arch. Womans Ment. Heatlth, 16(2), 139, 2013.
  7. Hönow R. et al.:  Oxalate content of green tea of different origin, quality, preparation and time of harvest. Urol. Res., 38(5), 377, 2010.
  8. Hönow R., Bongartz D., Hesse A.: An improved HPLC-enzyme reactor method for the determination of oxalic acid in complex matrices. Clin. Chim. Acta, 261(2), 131, 1997.
  9. Li M.G., Madapally M.M.: Rapid enzymatic determination of urinary oxalate. Clin. Chem., 35(12), 2330, 1989.
  10. Liebman M.,  Murphy S.: Low oxalate bioavailability from black tea. Nutr. Res., 27(5), 273, 2007.
  11. McKay D., et al.: Herbal tea: An alternative to regular tea for those who form calcium oxalate stones, J. Am. Diet. Assoc., 95(3), 360,  1995.
  12. Sarris et al.: Herbal medicines for depression, anxiety and insomnia: A review of psychopharmacology and clinical evidence. Eur. Neuro., 21(12), 841, 2011.
  13. Bazylak G., Sperkowska B.: Effect of extraction conditions on the content of soluble oxalate in aqueous infusions of green and herbal teas. Planta Medica, 76(12), 1336, 2010.
  14. Tsai J.Y. et al.: Comparison of oxalate content in foods and beverages in Taiwan. J. Taiwan Urol. Assoc., 16(3), 93, 2005.
  15. Yagin N.L., Mahdavi R., Nikniaz Z.: Oxalate content of different drinkable dilutions of tea infusions after different brewing Times. Health Promotion Perspectives, 2(2), 218, 2012.
prev next

 

Calendar

July 2020

Mon Tue Wed Thu Fri Sat Sun
    01 02 03 04 05
06 07 08 09 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31