Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa

A simplification of a haemolytic micromethod is presented. In the orginal method, alfalfa (Medicago media Pers.) leaf sap is spotted on the plate covered with a blood-gelatine suspension. In the presented method, the mashed alfalfa pulp is used instead of sap. Due to saponin diffusion and the reacti...

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Main Authors: Piotr M. Górski, Marian Jurzysta
Format: Article
Language:English
Published: Polish Botanical Society 2013-12-01
Series:Acta Agrobotanica
Online Access:https://pbsociety.org.pl/journals/index.php/aa/article/view/2111
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author Piotr M. Górski
Marian Jurzysta
author_facet Piotr M. Górski
Marian Jurzysta
author_sort Piotr M. Górski
collection DOAJ
description A simplification of a haemolytic micromethod is presented. In the orginal method, alfalfa (Medicago media Pers.) leaf sap is spotted on the plate covered with a blood-gelatine suspension. In the presented method, the mashed alfalfa pulp is used instead of sap. Due to saponin diffusion and the reaction with erythrocytes, a haemolytic ring appears, which has a width proportional to the concentration of toxic saponins. It is shown that the width of haemolytic ring does not depend on the sample weight ranging from 20 to 100 mg. This allows for the omission of laborious sap pressing and sample quantification. Individual alfalfa plants with different saponin contents were tested using leaf sap and leaf pulp for analyses. Good agreement was found with sap and leaf pulp methods. The correlation obtained by both methods was high, r = 0.87. The modified method requires only a small amount of plant material and makes the analyses of large numbers of individual plants per day possible. The method is especially recommended for breeding purposes.
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spelling doaj.art-5b3510863e074477824f3cad2f7273d42022-12-21T20:36:47ZengPolish Botanical SocietyActa Agrobotanica2300-357X2013-12-0141231531910.5586/aa.1988.0201699Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfaPiotr M. Górski0Marian Jurzysta1Institute of Soil Science and Plant Cultivation in PuławyInstitute of Soil Science and Plant Cultivation in PuławyA simplification of a haemolytic micromethod is presented. In the orginal method, alfalfa (Medicago media Pers.) leaf sap is spotted on the plate covered with a blood-gelatine suspension. In the presented method, the mashed alfalfa pulp is used instead of sap. Due to saponin diffusion and the reaction with erythrocytes, a haemolytic ring appears, which has a width proportional to the concentration of toxic saponins. It is shown that the width of haemolytic ring does not depend on the sample weight ranging from 20 to 100 mg. This allows for the omission of laborious sap pressing and sample quantification. Individual alfalfa plants with different saponin contents were tested using leaf sap and leaf pulp for analyses. Good agreement was found with sap and leaf pulp methods. The correlation obtained by both methods was high, r = 0.87. The modified method requires only a small amount of plant material and makes the analyses of large numbers of individual plants per day possible. The method is especially recommended for breeding purposes.https://pbsociety.org.pl/journals/index.php/aa/article/view/2111
spellingShingle Piotr M. Górski
Marian Jurzysta
Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
Acta Agrobotanica
title Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
title_full Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
title_fullStr Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
title_full_unstemmed Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
title_short Simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
title_sort simplification of a haemolytic micromethod for toxic saponin quantification in alfalfa
url https://pbsociety.org.pl/journals/index.php/aa/article/view/2111
work_keys_str_mv AT piotrmgorski simplificationofahaemolyticmicromethodfortoxicsaponinquantificationinalfalfa
AT marianjurzysta simplificationofahaemolyticmicromethodfortoxicsaponinquantificationinalfalfa