@article{PAR00004379, title = {{G}enotypic and environmental effects on coffee ({C}offea arabica {L}.) bean fatty acid profile : impact on variety and origin chemometric determination}, author = {{V}illarreal, {D}. and {L}affargue, {A}ndreina and {P}osada, {H}. and {B}ertrand, {B}. and {L}ashermes, {P}hilippe and {D}ussert, {S}t{\'e}phane}, editor = {}, language = {{ENG}}, abstract = {{I}n a previous study, the effectiveness of chlorogenic acids, fatty acids ({FA}), and elements was compared for the discrimination of {A}rabica varieties and growing terroirs. {S}ince {FA} provided the best results, the aim of the present work was to validate their discrimination ability using an extended experimental design, including twice the number of location x variety combinations and 2 years of study. {I}t also aimed at understanding how the environment influences {FA} composition through correlation analysis using different climatic parameters. {P}ercentages of correct classification of known samples remained very high, independent of the classification criterion. {H}owever, cross-validation tests across years indicated that prediction of unknown locations was less efficient than that of unknown genotypes. {E}nvironmental temperature during the development of coffee beans had a dramatic influence on their {FA} composition. {A}nalysis of climate patterns over years enabled us to understand the efficient location discrimination within a single year but only moderate efficiency across years.}, keywords = {{C}offee ; lipids ; fatty acids ; authentication ; variety ; genotype ; geographical origin ; environment ; temperature}, booktitle = {}, journal = {{J}ournal of {A}gricultural and {F}ood {C}hemistry}, volume = {57}, numero = {23}, pages = {11321--11327}, ISSN = {0021-8561}, year = {2009}, DOI = {10.1021/jf902441n}, URL = {https://www.documentation.ird.fr/hor/{PAR}00004379}, }