Diversity of nutritional compositions in selected coffee varieties from Koraput regions of Eastern Ghats

Coffee is an important indigenous beverage of India and its chemical compositions and nutraceutical value is unexplored. The current investigation was to assess the phytochemical composition in 13 local coffee varieties from Koraput valley. Significant differences were observed in the proximate compositions: the average moisture content was 3.36 g/100 g, the protein content was 9.18 g/100 g, the carbohydrate content was 23.48 g/100 g, and the food energy was 247.87 kcal/100 g among the studied coffee varieties. Across all kinds, coffee beans are high in flavonoids (6.53 to 19.08 µg/g), phenol (21.64 to 46.70 mg/g), antioxidants (57.63 to 77.66%), and caffeine (2.41 to 3.85 g/100 g). The initial two principal components recorded 62.2% of the total variations. Based on the results, two coffee varieties such as Chandragiri and Cauvery, are notably high in fiber, protein, energy and antioxidants and are the most nutritious in the area. These varieties can be used in crop improvement programs to enhance quality characteristics. Furthermore, these varieties demonstrated significant potential for creating valuable functional foods.