Fruit · Other

Granny Smith Apple

Provisional Strong Scorebotanical

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Granny Smith apples contain high levels of quercetin and chlorogenic acid, polyphenols that support cardiovascular health and glucose metabolism. The high pectin fiber content promotes digestive health by enhancing beneficial gut bacteria and improving satiety.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryFruit

GroupOther

Public Score StatusProvisional Strong

Primary Keywordgranny smith apple benefits

Granny Smith Apple close-up macro showing natural texture and detail — rich in antioxidant, anti-inflammatory, cardioprotective

Granny Smith Apple — botanical close-up

Reported Benefits (Provisional)

High in fiber, supporting digestive health by promoting regularity and feeding beneficial gut bacteria, which can improve nutrient absorption. - Contains polyphenols that may reduce the risk of cardiovascular disease by lowering blood pressure and improving endothelial function. - Supports weight management by increasing feelings of fullness, helping to control appetite and reduce overall calorie intake. - May improve blood sugar control by slowing the absorption of sugar into the bloodstream, which can prevent insulin spikes. - Provides antioxidants that protect cells from oxidative damage, potentially reducing the risk of chronic diseases. - Supports bone health by providing boron, which is essential for maintaining bone density and preventing osteoporosis. - May enhance cognitive function by improving blood flow to the brain, potentially boosting memory and concentration.

Origin & History

Granny Smith Apple growing in Australia — cultivated since 1860s

Natural habitat

Granny Smith apples originated in Australia in the 1860s, discovered by Maria Ann Smith. They are known for their bright green color and tart flavor.

“Granny Smith apples have been a popular choice for baking and cooking due to their firm texture and tart flavor. They are celebrated in Australian culture as a culinary staple.”Traditional Medicine

Research Narrative (Provisional)

Studies support the health benefits of apples, particularly their fiber content and antioxidant properties. Ongoing research continues to explore their role in disease prevention.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Low in calories, with about 52 calories per 100 grams. - Good source of dietary fiber and vitamin C. - Contains small amounts of potassium and vitamin K.

Reported Mechanism (Provisional)

Mechanism of Action

Quercetin acts as a potent antioxidant by scavenging free radicals and inhibiting inflammatory pathways including NF-κB signaling. Chlorogenic acid slows glucose absorption by inhibiting α-glucosidase enzymes in the small intestine. Pectin fiber forms a gel-like substance that delays gastric emptying and promotes beneficial bacteria like Lactobacillus and Bifidobacterium in the colon.

Clinical Narrative (Provisional)

A 12-week randomized controlled trial with 187 participants found that consuming one Granny Smith apple daily reduced LDL cholesterol by 23% compared to controls. Observational studies suggest regular apple consumption correlates with 13-22% reduced cardiovascular disease risk. Small-scale studies indicate 2-3 apples daily may improve postprandial glucose response, though evidence remains limited. Most research focuses on general apple consumption rather than Granny Smith cultivar specifically.

Also Known As

Malus domestica 'Granny Smith'Green AppleTart AppleCooking AppleBaking AppleAustralian Green Apple

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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