A Systematic Mapping Study of Coffee Quality throughout the Production-to-Consumer Chain

Table 2

Inclusion and exclusion criteria.

Inclusion criteria

Exclusion criteria

(i) Studies published online before 01/02/2021; (ii) Studies evaluating and measuring coffee quality using at least one metric; (iii) Papers with abstracts in English, Spanish, French, and Portuguese; (iv) Papers from the databases Scopus; (v) Books, articles, technical reports, and grey literature describing coffee quality studies

(i) The publication lies outside the coffee sciences domain (E.g., economics); (ii) Coffee quality is not part of the contribution of the article; the terms related are only mentioned in the general introductory sentences of the abstract; (iii) The article presents no measurable outcome; (iv) Literature that was only available in the form of abstracts and did not contain enough information to be considered for the classification scheme; (v) Duplicates