Composition #1: Frausto-Reyes, Claudio., Loza-Cornejo, Sofia., Terrazas, Teresa., Miranda-Beltran, Maria de la Luz., Aparicio-Fernandez, Xochiti., Lopez-Macias, Brenda M., Morales-Martinez, Sandra E., Ortiz-Morales, Martin. Raman spectroscopy study of calcium oxalate extracted from cacti stems. Applied Spectroscopy, 2014, p. 1260–1265. .
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Plant part:
Stem / stalk (as part-nature) (A067S)
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Extraction/Preparation method:
Drying (dehydration) (A07KG)
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Additional extraction description:
formaldehyde/ acetic glacial acid/70% ethyl alcohol (5 : 3 : 2)
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Substance:
Calcium oxalate (RF-00003960-PAR)
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Analytical method code:
IR and Raman Spectroscopy (F010A)
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Yes/No Qualitative:
Positive/Present (POS)
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Result type:
Qualitative Value (Binary) (BIN)
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Internal remarks:
calcium oxalate
Endpoint study
#1: Torres-Castillo, J. A., Mondragon Jacobo, C., Blanco-Labra, A. Characterization of a highly stable trypsin-like proteinase inhibitor from the seeds of Opuntia streptacantha (O. streptacantha Lemaire) . phytochemistry, 2009, vol. 70, no. 11-12, p. 1374–1381. DOI: 10.1016/j.phytochem.2009.08.009.
[
DOI link]
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Study relevance:
Human health
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Plant part:
Seed (as part-nature) (A066P)
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Preparation/Extraction method:
Solvent extraction (A0BZR)
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Additional plant/substance description:
water extract
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Type of toxicological test:
in vitro (CHD061TT)
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Endpoint measured:
Enzyme inhibition (CHD067EP)
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Concentration unit:
International Unit/gram (G252A)
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Effect concentration:
0.14
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Critical effect:
Digestive (TOX18A)
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Target tissue:
Digestive (TT002A)
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Effect description:
A peptide (molecular weight 4.19 kDa) inhibitor of trypsin-type proteinase enzymes (tested against insect proteinase)
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Effect or parameter linked to the endpoint:
enzyme inhibition (CHD032BE)
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Internal remarks:
Inhibition of trypsin-type proteinase enzymes
