Olea europaea 1 PLS regression model 1 PLS-DA 1 Research & information: general 1 accelerated shelf-life tests 1 acidic hydrolysis 1 alginate/pectin beads 1 anaerobic codigestion 1 antioxidant activity 1 antioxidants 1 artificial neural networks 1 authentication 1 authenticity 1 autochthonous cultivars 1 biocompounds 1 biodiversity 1 biomethane 1 biscuits 1 botanical origin 1 breadsticks brown-amber glass 1 by-products 1 carbon NMR 1 chemometrics 1 chlorophyll 1 choice experiment (CE) 1 circular economy 1 clones 1 color 1 consumer attitude 1