“…This higher content has made cranberry one of the most expensive natural extracts and this, unfortunately, has led to fraudulent practice such as the adulteration of cranberry with similar, but much less expensive, berries or plant species. Thus, cases of adulteration with extract of grape seed, red peanut, pine bark, black bean, black rice, plum, mulberry and hibiscus have been reported (Boudesocque et al, 2013;Boudesocque--Delaye et al, 2016;Gafner et al, 2016;Lee, 2016;Navarro et al, 2014;S anchez-Pat an et al, 2012;Upton and Brendler, 2016;Wei et al, 2011).…”