# Dominican Barahona Coffee (Coffea arabica 'Dominican Barahona')

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/dominican-barahona-coffee
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-02
**Evidence Score:** 2 / 10
**Category:** Coffee Cultivars
**Also Known As:** Coffea arabica 'Dominican Barahona', Barahona Coffee, Dominican Republic Arabica, Barahona Arabica Coffee, Dominican Highland Coffee, Café Barahona, DR Barahona Coffee

## Overview

Dominican Barahona Coffee (Coffea arabica 'Dominican Barahona') is a single-origin arabica cultivar grown in the Barahona region of the Dominican Republic, notable for its exceptionally high concentrations of caffeoylquinic acids (CQAs), which drive its [antioxidant activity](/ingredients/condition/antioxidant). These CQAs, measured at up to 564.8 mg/100 mL in espresso preparations, scavenge free radicals via hydrogen atom transfer and single-electron transfer mechanisms, as confirmed by DPPH and FRAP assays.

## Health Benefits

• Antioxidant activity through caffeoylquinic acids (CQAs) and alkaloids showing strong correlations with DPPH (r=0.543) and FRAP (r=0.991) assays - evidence from chemical analysis only
• Potential [free radical scaveng](/ingredients/condition/antioxidant)ing properties from CQAs (up to 564.8 mg/100 mL in espresso preparations) - preliminary evidence
• Natural caffeine content (1.32-1.42%) may support alertness - general coffee evidence, not cultivar-specific
• Rich in polyphenols including multiple CQA isomers (3-CQA, 4-CQA, 5-CQA) - chemical profile data only
• Contains trigonelline and theobromine alkaloids (up to 815.1 mg/100 mL total alkaloids) - compositional data without clinical validation

## Mechanism of Action

The primary bioactive compounds in Dominican Barahona Coffee are caffeoylquinic acids (CQAs), including chlorogenic acid and its isomers, which donate hydrogen atoms or electrons to neutralize [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) via both hydrogen atom transfer (HAT) and single-electron transfer (SET) pathways. CQAs also inhibit NADPH oxidase and modulate Nrf2/ARE signaling, upregulating endogenous antioxidant enzymes such as superoxide dismutase and catalase. Alkaloids present in the cultivar, including caffeine, contribute additional antioxidant capacity and may inhibit phosphodiesterase enzymes, amplifying intracellular cAMP signaling.

## Clinical Summary

Available evidence for Dominican Barahona Coffee's health effects is currently limited to in vitro chemical analysis rather than human clinical trials or animal intervention studies. [Antioxidant](/ingredients/condition/antioxidant) capacity has been quantified using DPPH radical scavenging and FRAP (ferric reducing antioxidant power) assays, with CQA content reaching up to 564.8 mg/100 mL in espresso preparations and showing a strong linear correlation with FRAP values (r=0.991) and a moderate correlation with DPPH (r=0.543). No randomized controlled trials, cohort studies, or dose-response studies specific to this cultivar have been published, meaning all health benefit claims remain preliminary and are extrapolated from the broader chlorogenic acid and arabica coffee literature. Independent clinical validation in human subjects is required before any therapeutic or preventive health claims can be substantiated.

## Nutritional Profile

Dominican Barahona coffee (brewed) is a low-calorie beverage (~2-5 kcal per 8 fl oz serving) with negligible macronutrient content (<0.3 g protein, <0.1 g fat, <0.5 g carbohydrates per cup). Key bioactive compounds include: **Caffeine**: 1.32–1.42% dry weight basis (approximately 80–120 mg per 8 fl oz brewed cup, varying with preparation method). **Caffeoylquinic acids (CQAs)**: dominant chlorogenic acid fraction, with espresso preparations yielding up to 564.8 mg/100 mL; 5-O-caffeoylquinic acid (5-CQA) is the predominant isomer, with 3-CQA and 4-CQA also present; total chlorogenic acid content in green beans estimated at 5.5–8.0 g/100 g dry weight (reduced by 50–70% during roasting depending on roast level). **Trigonelline**: approximately 0.8–1.2% dry weight in green beans, partially degraded to nicotinic acid (niacin/vitamin B3) during roasting, contributing roughly 1–3 mg niacin per cup. **Diterpenes**: cafestol and kahweol present in coffee oils (~0.2–0.6% of green bean dry weight each); concentrations in brewed cup depend heavily on filtration method (paper filtering removes >95%, while espresso and French press retain significant amounts at 2–6 mg/cup). **Minerals**: potassium (approximately 116 mg per 8 fl oz cup, ~3% DV), magnesium (7–12 mg, ~2–3% DV), trace amounts of manganese (~0.05 mg), phosphorus (~7 mg), and chromium. **Melanoidins**: formed during Maillard reactions in roasting, constitute up to 25% of dry weight in roasted beans; act as dietary fiber analogs and contribute to [antioxidant](/ingredients/condition/antioxidant) capacity; poorly absorbed in the upper GI tract, reaching the colon where they may exert [prebiotic](/ingredients/condition/gut-health) effects. **B-vitamins**: small amounts of riboflavin (vitamin B2, ~0.2 mg/cup, ~11% DV) and pantothenic acid (vitamin B5, ~0.6 mg/cup, ~6% DV). **Bioavailability notes**: Chlorogenic acids are partially hydrolyzed in the small intestine (approximately 30% absorbed); the remainder reaches the colon where microbial [metabolism](/ingredients/condition/weight-management) produces caffeic acid and dihydrocaffeic acid, which are subsequently absorbed. Caffeine is nearly 100% bioavailable with rapid absorption (peak plasma at 30–60 min). Diterpene bioavailability is preparation-dependent. As a Coffea arabica cultivar from the Barahona region of the Dominican Republic, grown at elevations of approximately 600–1,300 meters, beans may have slightly higher chlorogenic acid concentrations compared to lower-altitude arabica cultivars due to slower maturation and increased secondary metabolite accumulation.

## Dosage & Preparation

No clinically studied dosage ranges are available for Dominican Barahona Coffee. General C. arabica espresso preparations contain 564.8 mg/100 mL CQAs and up to 815.1 mg/100 mL alkaloids, but no standardization or clinical dosing has been established. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Dominican Barahona Coffee shares the safety profile of standard Coffea arabica preparations; caffeine content poses risks of [insomnia](/ingredients/condition/sleep), tachycardia, hypertension, and anxiety at high consumption levels, with sensitive individuals advised to limit intake to under 400 mg caffeine per day. CQAs can increase gastric acid secretion and may exacerbate symptoms in individuals with gastroesophageal reflux disease (GERD) or peptic ulcers. Caffeine interacts with adenosine receptor antagonism and may potentiate stimulant medications, reduce efficacy of sedatives and benzodiazepines, and interact with anticoagulants such as warfarin by altering CYP1A2 [metabolism](/ingredients/condition/weight-management). Pregnant individuals are advised to limit caffeine intake to under 200 mg per day per major obstetric guidelines, and those with hypertension or arrhythmias should consult a physician before regular high-dose consumption.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses specific to Dominican Barahona Coffee were identified. Available research focuses solely on chemical profiling and [antioxidant](/ingredients/condition/antioxidant) assays of general C. arabica cultivars, with no PubMed-indexed clinical studies found for this specific variant.

## Historical & Cultural Context

No historical or traditional medicinal uses are documented for Dominican Barahona Coffee in available research. C. arabica is primarily cultivated as a beverage crop, with chemical profiles influenced by origin and altitude rather than traditional therapeutic applications.

## Synergistic Combinations

Green tea extract, L-theanine, rhodiola, ashwagandha, cocoa extract

## Frequently Asked Questions

### How much caffeoylquinic acid is in Dominican Barahona Coffee?

Dominican Barahona Coffee espresso preparations have been measured at up to 564.8 mg/100 mL of caffeoylquinic acids (CQAs), which is among the higher concentrations documented in arabica single-origin analyses. This concentration varies by brew method, roast level, and extraction parameters, with espresso generally yielding higher CQA concentrations per volume than drip or cold-brew methods.

### Is Dominican Barahona Coffee better for antioxidants than regular coffee?

Chemical analysis shows Dominican Barahona Coffee has a very strong FRAP antioxidant correlation (r=0.991) tied to its CQA content, suggesting high ferric-reducing antioxidant power relative to its polyphenol concentration. However, no head-to-head human trials compare it directly to other arabica or robusta varieties, so claims of superiority over 'regular coffee' remain speculative and are based solely on in vitro assay data.

### What is the difference between DPPH and FRAP antioxidant results for Barahona Coffee?

In studies on Dominican Barahona Coffee, FRAP (ferric reducing antioxidant power) showed a very strong correlation with CQA content (r=0.991), indicating that CQAs are the dominant contributors to electron-transfer-based antioxidant capacity. The DPPH radical scavenging assay showed a moderate correlation (r=0.543), suggesting that other compounds such as melanoidins, alkaloids, or non-CQA phenolics also contribute meaningfully to hydrogen-atom-transfer antioxidant activity in this cultivar.

### Can Dominican Barahona Coffee help with inflammation?

The CQAs abundant in Dominican Barahona Coffee, particularly chlorogenic acid, have demonstrated anti-inflammatory activity in cell and animal studies by inhibiting NF-κB signaling and reducing pro-inflammatory cytokines like IL-6 and TNF-α in preclinical models. However, no clinical trials have been conducted specifically on Dominican Barahona Coffee for inflammatory outcomes in humans, so any anti-inflammatory benefit in people is extrapolated from the broader chlorogenic acid research literature and remains unconfirmed for this specific cultivar.

### Does roasting Dominican Barahona Coffee destroy its antioxidants?

Yes, roasting significantly degrades CQAs in all arabica coffees, including Dominican Barahona; light roasts retain substantially more chlorogenic acids than dark roasts, where CQA losses can exceed 70–80% due to thermal hydrolysis and lactone formation. Paradoxically, dark roasting generates melanoidins and other Maillard reaction products that contribute alternative antioxidant activity, partially compensating for CQA loss as measured by FRAP, though the specific roast-level data for Dominican Barahona cultivar has not been independently published.

### How does the altitude and terroir of Dominican Barahona affect the coffee's antioxidant content?

Dominican Barahona coffee is grown in the southwestern region of the Dominican Republic at elevations that influence the development of chlorogenic acids and related compounds. Higher altitude cultivation in this region promotes slower bean maturation, allowing greater accumulation of caffeoylquinic acids (CQAs) compared to lower-elevation coffee varieties. The volcanic soil and specific microclimatic conditions of Barahona contribute to the varietal's characteristic antioxidant profile, though direct comparative studies on terroir impact are limited.

### What is the difference between Dominican Barahona Coffee and other high-altitude arabica varieties in terms of caffeine content?

Dominican Barahona Coffee contains 1.32–1.42% caffeine by weight, which falls within the typical range for Coffea arabica cultivars but is generally lower than robusta varieties. The caffeine content in Barahona is comparable to other premium Caribbean arabicas, though regional and harvest-specific variations can occur. Individual sensitivity to caffeine from Barahona may differ based on brewing method and preparation, with espresso preparations potentially concentrating alkaloid content.

### Is Dominican Barahona Coffee suitable for individuals sensitive to caffeine or looking to reduce caffeine intake?

Dominican Barahona Coffee contains moderate caffeine levels (1.32–1.42%), making it less suitable for caffeine-sensitive individuals compared to decaffeinated options, though still lower than robusta beans. Those seeking to minimize caffeine exposure should consider decaffeinated versions of Barahona or alternative low-caffeine beverages. Standard brewing methods and portion control can help manage total caffeine intake while still enjoying the coffee's flavor profile.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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