Abstract
The free amino acid content of aqueous extracts (preserved in 50 % glycerol) of eleven grass pollens ( Festuca pratensis Huds., Lolium perenne L., Poa trivialis L., Dactylis glomerata L., Cynosurus cristatus L., Anthoxanthum odoratum L., Arrhenatherum elatius (L.) J. & C. Presl, Holcus lanatus L., Agrostis tenuis Sibth., Phleum pratense L., Alopecurus pratensis L.) has been investigated using a thin-layer chromatographic technique. α-Alanine, γ-amino- n-butyric acid, glycine, dl-leucine, l-lysine, l-proline and dl-serine were identified. No species differences were detected and there was no difference between the viable and non-viable pollen extracts examined.
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