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An overview on the Brazilian Coffea canephora scenario and the current chemometrics-based spectroscopic research

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Author(s):
Baqueta, Michel Rocha ; Diniz, Paulo Henrique Gonsalves Dias ; Pereira, Lucas Louzada ; Almeida, Francisco Lucas Chaves ; Valderrama, Patricia ; Pallone, Juliana Azevedo Lima
Total Authors: 6
Document type: Journal article
Source: Food Research International; v. 194, p. 22-pg., 2024-08-12.
Abstract

This review explores the historical, botanical, sensory, and quality aspects of Coffea canephora, with a focus on Brazil's rise as a producer of specialty canephora coffees in the Amazon region, Espirito Santo, and Bahia. Brazil has gained global recognition through the first geographical indications for canephora: Matas de Rondonia for robusta amazonico coffee and Espirito Santo for conilon coffee. Despite this, comprehensive insights into how variety, terroir, environmental conditions, and cultivation practices influence the chemical and sensory attributes of Brazilian canephora remain underdeveloped compared to well-studied arabica coffee. Producers and researchers are working to elevate canephora coffees to higher market levels, despite technological, production, and perception challenges stemming from its historical reputation for poor quality. Ensuring the sustainability of Amazonian canephora coffee without deforestation is particularly challenging due to the need to verify practices across numerous small-scale farms. There is also a critical need for standardized production and tasting protocols for Brazilian canephora, leveraging local expertise and professional cuppers to ensure consistent quality and reliable sustainability claims. Significant opportunities exist in valuing the production chain of geographically unique canephora coffees, which could increase specialty exports, enhance economic prospects for local farmers, and support Amazon preservation. Recognizing and marketing these coffees as premium products with unique flavor profiles can boost their global appeal. Another challenge lies in establishing new specialty standards for soluble coffee from specialty canephora to meet consumer demands for convenience without compromising taste or ethical standards. In such a scenario, several analytical methods have been suggested to identify high-quality variants, combating their stigmatization. The potential of spectroscopy techniques and chemometrics-based data science is highlighted in confirming coffee quality, authenticity, traceability, and geographical origin, enhancing model interpretation and predictive accuracy through synergistic and complementary information. Non-targeted spectroscopic analyses, providing comprehensive spectral fingerprints, are contrasted with targeted analyses. Overall, this review offers valuable insights for the coffee scientific community, exporters, importers, roasters, and consumers in recognizing the potential of Brazilian canephora coffees. (AU)

FAPESP's process: 22/04068-8 - Innovative chemometrics-based analytical approaches for the multiplatform evaluation of Brazilian Canephora coffees with geographical indication
Grantee:Michel Rocha Baqueta
Support Opportunities: Scholarships abroad - Research Internship - Doctorate
FAPESP's process: 22/03268-3 - Alternative analytical techniques and in vitro digestion assays to special foods
Grantee:Juliana Azevedo Lima Pallone
Support Opportunities: Regular Research Grants
FAPESP's process: 19/21062-0 - Chemical descriptors and emerging green technologies combined with chemometrics for characterization and evaluation of Brazilian specialty coffees
Grantee:Michel Rocha Baqueta
Support Opportunities: Scholarships in Brazil - Doctorate