Hermetica Superfood Encyclopedia
The Short Answer
Psidium cattleianum contains phenolic compounds like quercetin and terpenes including β-caryophyllene (up to 45%), which inhibit COX-2 enzymes and disrupt microbial membrane permeability. The fruit's bioactive compounds demonstrate acetylcholinesterase inhibition (IC₅₀ 56.11 µg/mL) and activate apoptotic pathways in cancer cell lines.
CategoryFruit
GroupFruit
Evidence LevelModerate
Primary KeywordStrawberry Guava benefits
Synergy Pairings4
Strawberry Guava — botanical close-up
Health Benefits
Exhibits potent antioxidant and anti-inflammatory properties due to high vitamin C and polyphenol content.
Supports immune function and skin health through its rich nutrient profile
Aids in blood sugar regulation and digestive wellness due to dietary fiber and prebiotics.
Traditionally used in folk medicine for respiratory health and wound healing
Provides gastrointestinal support, consistent with its traditional applications
Origin & History
Natural habitat
Psidium cattleyanum, commonly known as Strawberry Guava, is a fruit-bearing shrub native to South America, particularly Brazil. It thrives in tropical and subtropical regions with well-drained soils and abundant sunlight. Its fruit and leaves are valued in functional nutrition for their potent antioxidant properties, rich nutrient profile, and traditional applications in immune and digestive health.
“Strawberry Guava has been a highly valued fruit in traditional Brazilian and South American diets for centuries, cherished for its unique balance of sweetness and tartness. Indigenous cultures have long utilized both its fruit and leaves in folk medicine for immune and digestive health, reflecting its deep cultural significance.”Traditional Medicine
Scientific Research
Preliminary research highlights Strawberry Guava's rich content of vitamin C, flavonoids, and polyphenols, supporting its antioxidant and anti-inflammatory potential. Studies also indicate its dietary fiber and prebiotic content, which contribute to its traditional use for immune and digestive health.
Preparation & Dosage
Traditional preparation
General
Historically consumed fresh, juiced, or made into jams and jellies.
General
Leaves were traditionally used in folk medicine for their antimicrobial and digestive benefits.
General
Modern applications include functional foods, superfruit powders, and antioxidant-rich wellness drinks.
General
To consume, eat fresh, blend into smoothies, or use in culinary preparations.
General
Recommended dosage is 1–2 servings per day for immune and digestive support.
Nutritional Profile
- Dietary Fiber (prebiotics)
- Vitamin C
- Potassium, Calcium, Magnesium
- Flavonoids (quercetin, catechins)
- Polyphenols
How It Works
Mechanism of Action
Quercetin and other flavonoids inhibit COX-2 enzymes to reduce prostaglandin synthesis while suppressing the AKT/mTOR/p70S6K pathway in cancer cells. β-caryophyllene and other terpenes alter bacterial membrane permeability, forming non-selective pores that cause cellular content leakage. Ethyl acetate extracts specifically inhibit acetylcholinesterase and butyrylcholinesterase enzymes, while phenolic compounds reduce lipid peroxidation and enhance glutathione levels.
Clinical Evidence
Current evidence is limited to in vitro and animal studies, with no published human clinical trials available. Laboratory studies show ethyl acetate leaf extracts inhibit cholinesterase enzymes with IC₅₀ values of 56.11 µg/mL and 44.95 µg/mL respectively. One study demonstrated approximately 30-fold increases in apoptotic cells in colon cancer cell lines compared to controls. Evidence strength remains preliminary, requiring human trials to establish clinical efficacy and therapeutic dosing parameters.
Safety & Interactions
No specific safety data, drug interactions, or contraindications have been established for strawberry guava in clinical literature. The bioactive compounds are noted to be unstable during storage, potentially requiring advanced encapsulation for therapeutic applications. High antioxidant content may theoretically interact with anticoagulant medications, though no documented interactions exist. Pregnant and breastfeeding women should exercise caution due to insufficient safety data in these populations.
Synergy Stack
Hermetica Formulation Heuristic
Polyphenol/antioxidant base
Immune & Inflammation | Gut & Microbiome
Also Known As
Psidium cattleianumcattley guavared strawberry guavapurple guava
Frequently Asked Questions
What is the difference between strawberry guava and regular guava?
Strawberry guava (Psidium cattleianum) produces smaller, red-skinned fruits and contains higher concentrations of β-caryophyllene (up to 45%) compared to common guava (Psidium guajava). Both species share similar phenolic compounds and flavonoids, but strawberry guava demonstrates distinct terpene profiles with enhanced antimicrobial properties.
How much vitamin C is in strawberry guava compared to other fruits?
While strawberry guava is recognized for high vitamin C content, specific quantitative comparisons are not well-documented in current research. The fruit's vitamin C works synergistically with flavonoids like quercetin to enhance antioxidant activity and support immune function through enhanced glutathione levels.
Can strawberry guava help with blood sugar control?
Preliminary studies suggest quercetin and catechins in strawberry guava may improve lipid metabolism and blood sugar control, with terpenes showing α-glucosidase inhibitory effects. However, no human clinical trials have quantified blood glucose reduction percentages or established therapeutic dosing protocols for diabetes management.
Is strawberry guava safe to eat during pregnancy?
No specific safety studies exist for strawberry guava consumption during pregnancy or breastfeeding. While the fruit contains beneficial antioxidants, pregnant women should consult healthcare providers before consuming therapeutic amounts due to insufficient safety data in this population.
What parts of the strawberry guava plant are used medicinally?
Both the fruit and leaves of Psidium cattleianum are used medicinally, with leaves showing higher concentrations of bioactive compounds. Ethyl acetate leaf extracts demonstrate the strongest cholinesterase inhibition, while the fruit provides dietary fiber and vitamin C for digestive and immune support.
Does strawberry guava interact with blood sugar medications like metformin or insulin?
Strawberry guava may have additive effects on blood sugar lowering due to its fiber and prebiotic content, potentially enhancing the effects of diabetes medications. If you are taking metformin, insulin, or other blood sugar-controlling drugs, consult your healthcare provider before adding strawberry guava supplements to avoid hypoglycemia. Dietary amounts of whole fruit are generally safe, but concentrated supplements warrant medical oversight.
What is the most bioavailable form of strawberry guava—fresh fruit, dried, juice, or extract powder?
Fresh strawberry guava fruit offers the highest bioavailability of heat-sensitive vitamin C and intact polyphenols, though amounts vary with ripeness and storage. Freeze-dried powder preserves most antioxidants and is more concentrated than fresh, making it practical for supplementation, while commercial juices often lose fiber and may contain added sugars. Extract powders are highly standardized but may lack some whole-food synergistic compounds present in minimally processed forms.
Who should avoid strawberry guava supplements, and are there specific populations that benefit most?
Individuals with fructose malabsorption or irritable bowel syndrome should approach strawberry guava cautiously due to its fiber content, while those with kidney disease should consult their doctor about high potassium levels. People seeking immune support, skin health improvement, or digestive wellness are the primary beneficiaries, as are those aiming to naturally support blood sugar regulation alongside diet and exercise. Older adults and children can typically consume whole fruit safely, though supplement dosing should be age-appropriate.
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