# Guatemalan Antigua Coffee (Coffea arabica 'Guatemalan Antigua')

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/guatemalan-antigua-coffee
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-31
**Evidence Score:** 2 / 10
**Category:** Coffee Cultivars
**Also Known As:** Coffea arabica, Antigua Guatemala coffee, Antigua Valley coffee, Guatemala Antigua beans, Guatemalan Antigua arabica, Antigua coffee beans

## Overview

Guatemalan Antigua coffee (Coffea arabica 'Guatemalan Antigua') contains high concentrations of chlorogenic acids, particularly 5-O-caffeoylquinic acid, which provide [antioxidant activity](/ingredients/condition/antioxidant). These compounds demonstrate free-radical scavenging properties and iron chelation potential through polyphenolic mechanisms.

## Health Benefits

• [Antioxidant activity](/ingredients/condition/antioxidant) through chlorogenic acids (CGAs) including 5-O-caffeoylquinic acid - based on chemical profiling studies only
• Free-radical scavenging properties demonstrated in C. arabica extract analyses - preliminary evidence
• Iron chelation potential via CGA compounds - in vitro evidence only
• Contains α-tocopherol and β-tocopherol (vitamin E forms) - nutritional content data only
• Presence of phytosterols including stigmasterol and β-sitosterol - chemical composition data, no clinical evidence

## Mechanism of Action

Chlorogenic acids in Guatemalan Antigua coffee, primarily 5-O-caffeoylquinic acid, neutralize [free radical](/ingredients/condition/antioxidant)s through hydrogen atom transfer and single electron transfer mechanisms. The polyphenolic structure enables iron chelation by forming stable complexes with metal ions, preventing oxidative damage. These compounds also modulate cellular antioxidant enzyme systems including superoxide dismutase and catalase.

## Clinical Summary

Current evidence for Guatemalan Antigua coffee benefits comes primarily from chemical profiling studies and in vitro analyses of C. arabica extracts. Laboratory studies have demonstrated free-radical scavenging activity and iron chelation potential of chlorogenic acid compounds. No clinical trials specifically examining Guatemalan Antigua coffee health effects in humans have been published. The evidence remains preliminary and limited to chemical characterization and basic [antioxidant](/ingredients/condition/antioxidant) assays.

## Nutritional Profile

Per 100 mL brewed Guatemalan Antigua coffee (typical preparation ~7-10 g ground coffee per 150 mL water): **Macronutrients:** Essentially calorie-free (~2-5 kcal/100 mL); trace protein (~0.12-0.3 g); negligible fat (~0.02-0.05 g); trace carbohydrates (~0.2-0.5 g). **Caffeine:** ~80-120 mg per 150 mL serving (varies with roast level; medium roast typical of Antigua yields ~1.0-1.4% caffeine by dry weight of green bean). **Chlorogenic Acids (CGAs):** Total CGAs in green bean ~5.5-8.0% dry weight; 5-O-caffeoylquinic acid (5-CQA) is the dominant isomer (~50-60% of total CGAs, ~35-50 mg per 150 mL brewed cup at medium roast); 3-CQA and 4-CQA present at lower concentrations (~5-15 mg each per cup); dicaffeoylquinic acids (3,4-diCQA, 3,5-diCQA, 4,5-diCQA) collectively ~5-12 mg per cup; feruloylquinic acids (FQAs) ~3-8 mg per cup. Roasting significantly degrades CGAs (dark roast retains only ~20-30% of green bean CGA content; Antigua is often medium-roasted preserving ~50-70%). **Bioavailability of CGAs:** ~30-35% absorbed in the small intestine; remainder metabolized by colonic microbiota to caffeic acid, ferulic acid, and dihydrocaffeic acid. **Trigonelline:** ~0.3-0.6% dry weight in green bean (~20-40 mg per cup at medium roast); partially converted to nicotinic acid (niacin/vitamin B3) during roasting, yielding ~1-3 mg niacin per cup (~6-19% DV). **Minerals per 100 mL brewed:** Potassium ~50-90 mg (~1.5-2.5% DV); Magnesium ~3-8 mg (~1-2% DV); Manganese ~0.05-0.15 mg (~2-7% DV); Phosphorus ~3-7 mg; Chromium ~0.5-1.5 µg (trace). Sodium negligible (~1-5 mg). Calcium ~2-5 mg. Iron ~0.01-0.05 mg (note: CGAs can inhibit non-heme iron absorption by ~40-60% when consumed with iron-containing meals). **Vitamins:** Niacin (B3) ~1-3 mg from trigonelline degradation; riboflavin (B2) ~0.01-0.05 mg; pantothenic acid (B5) ~0.2-0.5 mg; α-tocopherol ~0.01-0.05 mg/100 mL; β-tocopherol in trace amounts (~0.005-0.02 mg/100 mL). **Diterpenes:** Cafestol and kahweol present in coffee oils (~6-12 mg/g oil in C. arabica); largely removed by paper filtration (<0.2 mg per cup filtered vs. ~3-6 mg per cup unfiltered/French press). Guatemalan Antigua beans, being strictly hard bean (SHB) grown at 1,500-1,700 m elevation, tend to have higher density and slightly elevated CGA concentrations compared to lower-altitude arabica. **Melanoidins:** Formed during Maillard reaction in roasting; ~25-30% of brewed coffee dry matter at medium roast; contribute to [antioxidant](/ingredients/condition/antioxidant) capacity and may act as dietary fiber analogs (~0.5-1.0 g soluble fiber equivalents per cup). **Other bioactives:** Kahweol and cafestol (see diterpenes above); small amounts of ferulic acid (~1-5 mg/cup free and bound); trace volatile phenolics contributing to Antigua's noted chocolate, spice, and mild smoke flavor profile.

## Dosage & Preparation

No clinically studied dosage ranges have been established for Guatemalan Antigua Coffee extracts, powders, or standardized forms. Research has focused on analytical profiling rather than therapeutic dosing. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Guatemalan Antigua coffee contains caffeine and may cause typical coffee-related side effects including jitteriness, [insomnia](/ingredients/condition/sleep), and increased heart rate. Chlorogenic acids may interact with iron absorption and could affect [blood glucose](/ingredients/condition/weight-management) levels. Pregnant women should limit intake due to caffeine content, with recommendations not exceeding 200mg caffeine daily. Individuals on blood-thinning medications should consult healthcare providers due to potential interactions with coffee compounds.

## Scientific Research

No human clinical trials, randomized controlled trials (RCTs), or meta-analyses specific to Guatemalan Antigua Coffee were identified in the available research. Current studies focus exclusively on chemical profiling and authentication methods rather than clinical outcomes. No PubMed PMIDs were provided for human trials on this specific cultivar.

## Historical & Cultural Context

No evidence of Guatemalan Antigua Coffee use in traditional medicine systems was found in the available research. Current sources focus exclusively on modern chemical analysis and geographical authentication rather than historical or ethnomedical applications.

## Synergistic Combinations

Green tea extract, L-theanine, rhodiola, cocoa polyphenols, vitamin C

## Frequently Asked Questions

### What makes Guatemalan Antigua coffee different from regular coffee?

Guatemalan Antigua coffee is grown at high altitudes in volcanic soil, which concentrates chlorogenic acids including 5-O-caffeoylquinic acid. The specific terroir and processing methods of this cultivar result in distinct polyphenolic profiles compared to standard arabica varieties.

### How much chlorogenic acid is in Guatemalan Antigua coffee?

Chemical profiling studies show Guatemalan Antigua coffee contains varying levels of chlorogenic acids depending on roasting and processing. Specific quantitative data for 5-O-caffeoylquinic acid content requires standardized extraction methods and HPLC analysis for accurate measurement.

### Does roasting affect the antioxidant properties of Guatemalan Antigua coffee?

Roasting significantly impacts chlorogenic acid content, with lighter roasts preserving more 5-O-caffeoylquinic acid and related compounds. Dark roasting can reduce chlorogenic acid levels by 50-90%, potentially diminishing the antioxidant and iron chelation properties.

### Can Guatemalan Antigua coffee help with iron deficiency?

The iron chelation properties of chlorogenic acids in Guatemalan Antiga coffee could theoretically interfere with iron absorption rather than help with deficiency. Individuals with iron deficiency should consume coffee between meals rather than with iron-rich foods or supplements.

### What is the recommended daily intake of Guatemalan Antigua coffee for health benefits?

No specific dosage recommendations exist for Guatemalan Antigua coffee health benefits since clinical trials are lacking. General coffee consumption guidelines suggest 3-4 cups daily (300-400mg caffeine) as safe for most adults, though individual tolerance varies.

### Does Guatemalan Antigua coffee contain more antioxidants than other coffee varieties?

Guatemalan Antigua coffee contains chlorogenic acids and other polyphenols similar to other Coffea arabica varieties, though specific antioxidant concentrations can vary based on altitude, soil conditions, and processing methods. Chemical profiling studies show it has measurable levels of 5-O-caffeoylquinic acid and related CGAs, but direct comparative data against other arabica cultivars is limited. The high altitude of Guatemalan Antigua's growing region (5,000+ feet) may contribute to higher polyphenol development, though this requires further clinical validation.

### Can Guatemalan Antigua coffee interact with blood thinners or anticoagulant medications?

Guatemalan Antigua coffee contains vitamin E compounds (α-tocopherol and β-tocopherol) and chlorogenic acids that may have mild anticoagulant properties, raising theoretical interaction concerns with warfarin or other blood thinners. Individuals taking anticoagulant medications should maintain consistent coffee consumption and consult their healthcare provider, as caffeine and polyphenols may affect medication efficacy. No specific clinical studies exist for Guatemalan Antigua cultivar interactions, so guidance should be based on general arabica coffee safety profiles.

### Who should avoid Guatemalan Antigua coffee due to its caffeine and bioactive content?

Pregnant and nursing women, individuals with caffeine sensitivity, and those with certain cardiovascular conditions should limit Guatemalan Antigua coffee intake due to its caffeine content and polyphenolic compounds. People with iron-storage disorders (hemochromatosis) should be cautious since chlorogenic acids can affect mineral absorption, and those with acid reflux may experience symptom exacerbation. Individuals on medications sensitive to caffeine or polyphenol interactions should seek medical guidance before regular consumption.

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