Ref1
https://s3.amazonaws.com/academia.edu.documents/33475058/Organic_acids__antioxidant_capacity__phenolic_content_and_lipid_characterisation_of.pdf?AWSAccessKeyId=AKIAIWOWYYGZ2Y53UL3A&Expires=1540434756&Signature=CWQNny8WLHwn1W2o545qgyK1MsE%3D&response-content-disposition=inline%3B%20filename%3DOrganic_acids_antioxidant_capacity_pheno.pdf