Determination of toxic phorbol esters in biofertilizer produced with Jatropha curcas seed cake
| Autor: | Rayakorn Nokkaew, Vittaya Punsuvon, Sujinna Karnasuta |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Multidisciplinary
biology Biofertilizer Selected reaction monitoring food and beverages engineering.material Contamination Mass spectrometry biology.organism_classification Residue (chemistry) chemistry.chemical_compound Agronomy chemistry engineering Phorbol esters Food science Fertilizer Jatropha curcas |
| Zdroj: | ScienceAsia. 38:223 |
| ISSN: | 1513-1874 |
| DOI: | 10.2306/scienceasia1513-1874.2012.38.223 |
| Popis: | Seeds of Jatropha curcas contain oils, essential amino acids, and toxic phorbols that are found to be carcinogenic. Application of J. curcas seed cake for producing biofertilizer for growing sweet potato was studied in this work. The J. curcas seed cake, soil, and sweet potato were examined to determine the contamination of phorbol esters residue after the plant was treated with J. curcas seed cake fertilizer. Our study develops a technique to confirm the presence of phorbol esters residue by using liquid chromatography-tandem mass spectrometry with multiple reaction monitoring mode that detects the ionization of parent molecule with mass 711 to precursor and product ion with mass 311 and 293, respectively. This technique is recommended to confirm phorbol esters residue. The results showed that both sweet potato and soil after harvesting did not have contamination with toxic phorbol esters. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|