Hermetica Superfood Encyclopedia
The Short Answer
Blood lime contains high concentrations of flavonoids (rutin, hesperidin) and limonoids that demonstrate potent antioxidant activity with 85-90% DPPH radical scavenging at 624 μg/mL. These compounds inhibit pancreatic cancer cell proliferation through apoptotic pathways involving upregulation of Bax, p53, and caspase-3.
CategoryFruit
GroupFruit
Evidence LevelStrong
Primary Keywordblood lime benefits
Synergy Pairings4
Blood Lime — botanical close-up
Health Benefits
Combats oxidative stress and promotes cellular health through its rich content of vitamin C and anthocyanins.
Boosts immune function and supports collagen production due to high levels of vitamin C.
Supports gut motility and promotes healthy digestion through its dietary fiber content.
Enhances skin elasticity and protects vision with its abundance of antioxidants and carotenoids.
Supports heart health and improves circulation via its potassium and flavonoid content.
Origin & History
Natural habitat
The Blood Lime (Citrus australasica × Citrus australis) is an Australian hybrid, developed to combine the flavors and resilience of native finger limes with other citrus species. This vibrant, oval-shaped fruit features deep red skin and ruby-colored pulp with a tart, tangy flavor. Cultivated in warm, subtropical climates, it is celebrated for its unique taste, striking appearance, and impressive nutritional profile, symbolizing innovation in sustainable agriculture and gourmet cuisine.
“As a modern hybrid, Blood Lime does not possess a long traditional medicinal history. However, it draws inspiration from the long-standing culinary and agricultural traditions of Indigenous Australians and native citrus species, which have been valued for their resilience and nutritional properties.”Traditional Medicine
Scientific Research
As a modern hybrid, specific scientific studies on Blood Lime are emerging. However, research on its parent native citrus species and other anthocyanin-rich fruits supports the antioxidant, immune-boosting, and cardiovascular benefits attributed to its nutritional profile.
Preparation & Dosage
Traditional preparation
Culinary Use
Eaten fresh, used as a gourmet garnish for seafood, salads, or desserts, or incorporated into cocktails, marmalades, vinaigrettes, and syrups.
Forms
Primarily consumed as fresh fruit, juice, or pulp.
Recommended Serving
1–2 Blood Limes or 1–2 tablespoons of juice per serving.
Nutritional Profile
- Vitamin C: Potent antioxidant, crucial for immune support and collagen synthesis.
- Anthocyanins: Provide vibrant red color and powerful antioxidant properties.
- Potassium: Supports cardiovascular health and electrolyte balance.
- Dietary Fiber: Aids digestive health and gut motility.
- Flavonoids and Carotenoids: Offer additional antioxidant and protective benefits for skin and eyes.
How It Works
Mechanism of Action
Blood lime's flavonoids (rutin, neohesperidin, hesperidin) and limonoids (limonexic acid, isolimonexic acid) provide radical-scavenging activity through DPPH and ABTS pathways. The compounds induce apoptosis in cancer cells by upregulating pro-apoptotic proteins Bax, p53, and caspase-3 while downregulating anti-apoptotic Bcl-2. Additionally, these extracts competitively inhibit aldose reductase and sorbitol dehydrogenase enzymes, blocking substrate binding and preserving NADPH/GSH ratios.
Clinical Evidence
Current evidence for blood lime is limited to in vitro laboratory studies with no human clinical trials available. Studies on pancreatic cancer cells (Panc-28) showed 73-89% growth inhibition at 100 μg/mL over 96 hours, with IC50 values of 81.20 μg/mL at 72 hours. Lymphoblastoid B cells demonstrated significant proliferation inhibition at concentrations of 125-500 μg/mL. Enzyme inhibition studies revealed aldose reductase IC50 of 47.21 μg/mL, though clinical relevance remains unestablished.
Safety & Interactions
No specific safety data, drug interactions, or contraindications have been established for blood lime extracts, as research is limited to isolated in vitro studies. General citrus allergies may apply, particularly in individuals sensitive to limonene or citrus peel compounds. Pregnant and breastfeeding women should exercise caution due to lack of safety data in these populations. Potential interactions with diabetes medications or chemotherapy agents remain unstudied and require medical supervision.
Synergy Stack
Hermetica Formulation Heuristic
Polyphenol/antioxidant base
Cardio & Circulation
Also Known As
Citrus australasica × Citrus australisAustralian blood limeHybrid finger limeRed-fleshed lime
Frequently Asked Questions
What makes blood lime different from regular limes?
Blood lime is an Australian hybrid containing higher concentrations of anthocyanins and flavonoids compared to regular limes. Its red-pigmented flesh provides additional antioxidant compounds like rutin and neohesperidin at therapeutically relevant levels.
Is there scientific evidence for blood lime's health benefits?
Current evidence is limited to laboratory studies showing antioxidant activity and cancer cell inhibition. No human clinical trials have been conducted, making therapeutic claims premature despite promising in vitro results.
Can blood lime help with diabetes complications?
Laboratory studies show blood lime extracts inhibit aldose reductase with IC50 of 47.21 μg/mL, potentially reducing diabetic complications. However, no human studies confirm clinical effectiveness or safe dosing protocols.
What are the active compounds in blood lime?
Primary bioactive compounds include flavonoids (rutin, hesperidin, neohesperidin, hesperetin) and limonoids (limonexic acid, isolimonexic acid, limonin). These compounds demonstrate radical-scavenging activity and enzyme inhibition in laboratory testing.
Is blood lime safe to consume daily?
Safety data for regular blood lime consumption is unavailable, as studies focus only on isolated extracts in laboratory conditions. General citrus precautions apply, and individuals should consult healthcare providers before therapeutic use.
How much blood lime juice or extract should I consume daily for health benefits?
While optimal dosage hasn't been formally standardized in clinical studies, consuming 1-2 fresh blood limes daily or 1-2 ounces of juice provides significant levels of vitamin C and anthocyanins without excess calories or acidity concerns. For concentrated supplements or extracts, follow the manufacturer's recommendations, typically ranging from 500-1000mg daily, as these are more potent than whole fruit. Consistency matters more than quantity—regular moderate consumption supports the cumulative antioxidant and immune benefits blood lime offers.
Is blood lime safe to consume during pregnancy and breastfeeding?
Blood lime is generally recognized as safe during pregnancy and breastfeeding when consumed as a whole fruit in normal dietary amounts, as it provides beneficial vitamin C and fiber without known teratogenic compounds. However, concentrated blood lime supplements should be discussed with a healthcare provider before use during these periods to ensure appropriate dosing and rule out individual sensitivities. The high vitamin C content supports fetal development and immune function, making whole blood limes a nutritious food choice for pregnant women.
Does blood lime interact with blood thinners, diabetes medications, or other common supplements?
Blood lime's high vitamin C content may theoretically interact with warfarin and other anticoagulants if consumed in very large supplemental amounts, though normal dietary consumption is unlikely to cause problems—consult your doctor if taking these medications. Its potential effects on blood sugar make it important to monitor glucose levels if combining blood lime supplements with diabetes medications, as adjustments may be needed. Blood lime should be used cautiously with iron supplements, as vitamin C enhances iron absorption, which can be beneficial or problematic depending on individual iron status.
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