Table 3.

Common certification systems.

Certification system	Country	References
Hazard Free Food Certification system; Organic Food Certification system; and Green Food Certification system	China	(Guo et al., 2019)
Eco-certification (Rainforest Alliance Certified)	USA	(da Silva et al., 2019)
Marine Stewardship Council	UK	(Vince and Haward, 2019)
Hazard Analysis and Critical Control Point (HACCP).	Global	(Vilar et al., 2012)
Good manufacturing practice (GMP)	Global	(Sandle, 2019)
The International Standards Organization (ISO)	Global	(Boudouropoulos and Arvanitoyannis, 1998)