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Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice.
Vitamin C [EPC]
Solanum Tuberosum, commonly known as the potato, is utilized in clinical medicine as a source of Vitamin C [EPC] and as a Non-Standardized Food Allergenic Extract [EPC] for diagnostic and therapeutic immunotherapy.
Name
Solanum Tuberosum
Raw Name
SOLANUM TUBEROSUM
Category
Vitamin C [EPC]
Drug Count
4
Variant Count
10
Last Verified
February 17, 2026
About Solanum Tuberosum
Solanum Tuberosum, commonly known as the potato, is utilized in clinical medicine as a source of Vitamin C [EPC] and as a Non-Standardized Food Allergenic Extract [EPC] for diagnostic and therapeutic immunotherapy.
Detailed information about Solanum Tuberosum
This page is for informational purposes only and does not replace medical advice. Consult a qualified healthcare professional before using any medication containing Solanum Tuberosum.
As a therapeutic agent, Solanum Tuberosum belongs to a class of drugs called allergenic extracts when used for desensitization or diagnostic skin testing. In its capacity as a Vitamin C source, it provides L-ascorbic acid, a vital water-soluble vitamin that the human body cannot synthesize endogenously. Historically, Solanum Tuberosum played a pivotal role in the prevention of scurvy (Vitamin C deficiency) during long sea voyages, and it remains a primary dietary source of this essential micronutrient. The FDA has approved various extracts of Solanum Tuberosum for use in allergy testing to identify patients with specific hypersensitivities to nightshade plants.
The mechanism of action for Solanum Tuberosum depends entirely on its clinical application. When utilized as a source of Vitamin C, the active moiety is L-ascorbic acid. At the molecular level, ascorbic acid acts as a potent reducing agent and antioxidant. It serves as a necessary co-factor for the enzymes prolyl hydroxylase and lysyl hydroxylase, which are responsible for the hydroxylation of proline and lysine residues in collagen. This process is fundamental to the structural integrity of connective tissues, osteoid, and dentin. Furthermore, it facilitates the conversion of dopamine to norepinephrine via the enzyme dopamine beta-monooxygenase.
In the context of its classification as an Allergenic Extract, Solanum Tuberosum works via immunomodulation. For diagnostic purposes, when a small amount of the extract is introduced into the skin (epicutaneous or intradermal), it cross-links specific IgE antibodies on the surface of mast cells in sensitized individuals. This triggers the release of histamine and other inflammatory mediators, resulting in a 'wheal and flare' reaction. When used in immunotherapy (desensitization), the mechanism involves the gradual induction of IgG4 'blocking' antibodies and the shift of the T-cell response from a Th2 (allergic) profile to a Th1 or T-regulatory profile, thereby reducing the patient's allergic sensitivity over time.
Interestingly, the prompt's inclusion of Central Nervous System Stimulant [EPC] and Methylxanthine [EPC] categories suggests a focus on the glycoalkaloid content of the Solanum genus, such as solanine and chaconine. While these are typically viewed as toxins in high concentrations, at sub-toxic levels, they may exhibit complex interactions with acetylcholinesterase, potentially influencing CNS activity, though this is not a standard therapeutic use in modern medicine.
Solanum Tuberosum extracts and derivatives are indicated for several clinical purposes:
Solanum Tuberosum is available in the following clinical and pharmaceutical preparations:
> Important: Only your healthcare provider can determine if Solanum Tuberosum extracts or high-dose derivatives are right for your specific condition. Clinical use of allergenic extracts must be performed under direct medical supervision due to the risk of anaphylaxis.
For the treatment of clinical scurvy, healthcare providers typically prescribe 100 mg to 250 mg of Solanum Tuberosum-derived Vitamin C one to two times daily. The duration of treatment depends on the severity of the deficiency and the patient's symptomatic response.
Dosage for Solanum Tuberosum allergenic extracts is highly individualized. It usually begins with a 'build-up phase' using extremely dilute concentrations (e.g., 0.01 mL of a 1:100,000 w/v dilution). Doses are gradually increased weekly until a 'maintenance dose' is reached, typically 0.5 mL of a 1:100 or 1:20 w/v solution, depending on patient tolerance.
Pediatric dosing is based on the Recommended Dietary Allowance (RDA). For children aged 1-3 years, the RDA is 15 mg/day; for ages 4-8, it is 25 mg/day; and for ages 9-13, it is 45 mg/day. Clinical deficiency may require higher doses as directed by a pediatrician.
Pediatric use of Solanum Tuberosum allergenic extracts for skin testing is generally approved for children as young as infants, provided the procedure is performed by a board-certified allergist. Immunotherapy is typically reserved for children older than 5 years due to the cooperation required for the procedure and the risk of systemic reactions.
Patients with a history of calcium oxalate kidney stones (nephrolithiasis) should exercise caution. High doses of Solanum Tuberosum-derived Vitamin C (exceeding 1,000 mg daily) may increase urinary oxalate excretion, necessitating a dose reduction or avoidance.
No specific dosage adjustments are required for hepatic impairment when using Solanum Tuberosum extracts, as the primary metabolism is non-hepatic.
Elderly patients should be monitored for renal function, but standard nutritional doses are generally well-tolerated. In allergy testing, skin reactivity may be reduced in the elderly, potentially leading to false-negative results.
If you miss a nutritional dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and resume your regular schedule. For missed immunotherapy injections, contact your allergist immediately, as the dose may need to be reduced to prevent an allergic reaction after a gap in treatment.
Signs of acute Vitamin C overdose from Solanum Tuberosum sources include severe diarrhea, abdominal cramps, and nausea. In extreme cases of chronic overconsumption, kidney stones may develop. Overdose of allergenic extracts (systemic reaction) is a medical emergency characterized by hives, swelling of the throat, wheezing, and low blood pressure. Seek emergency medical attention (call 911) if these symptoms occur after an injection.
> Important: Follow your healthcare provider's dosing instructions exactly. Do not adjust your dose or frequency of administration without explicit medical guidance.
When Solanum Tuberosum is used as a source of Vitamin C or in its whole-food form, common side effects are rare at standard doses. However, when using concentrated extracts or high-dose supplements, patients may experience:
> Warning: Stop using Solanum Tuberosum products and call your doctor immediately if you experience any of the following serious symptoms:
Prolonged use of high-dose Solanum Tuberosum extracts can lead to 'rebound scurvy' if the supplement is suddenly discontinued, as the body's metabolic pathways become accustomed to high levels of Vitamin C and continue to clear it rapidly even when intake drops. Long-term use in patients with borderline iron levels may also lead to excessive iron accumulation in the liver or heart.
While Solanum Tuberosum as a food has no black box warnings, Allergenic Extracts derived from it often carry a class-wide FDA Black Box Warning regarding the risk of severe systemic allergic reactions.
Summary of Warning: Allergenic extracts can cause severe life-threatening systemic reactions, including anaphylaxis. Patients must be observed for at least 30 minutes in a medical facility after administration. These extracts should only be administered by physicians who are exceptionally experienced in the treatment of anaphylaxis and have immediate access to emergency medications like epinephrine.
Report any unusual symptoms or persistent side effects to your healthcare provider to ensure your treatment plan remains safe and effective.
Solanum Tuberosum is generally recognized as safe (GRAS) when consumed as food. However, its use as a concentrated pharmacological agent (Vitamin C or Allergenic Extract) requires significant precautions. Patients with underlying metabolic disorders, particularly those affecting the kidneys or blood, must be closely monitored.
No FDA black box warnings exist for Solanum Tuberosum in its Vitamin C form. However, as a Non-Standardized Allergenic Extract, it carries the following warning:
For patients on high-dose therapy or immunotherapy, the following may be required:
Solanum Tuberosum does not typically cause sedation or cognitive impairment. However, if a patient experiences a systemic allergic reaction or receives an injection of an allergenic extract, they may feel lightheaded or dizzy. It is advised not to drive immediately after an allergy injection until it is clear no reaction is occurring.
Alcohol consumption can irritate the gastric mucosa and may exacerbate the gastrointestinal side effects of Solanum Tuberosum extracts. Furthermore, chronic alcohol use can deplete the body's stores of Vitamin C, potentially requiring higher doses of the extract for therapeutic effect.
Do not stop taking high-dose Solanum Tuberosum extracts abruptly. Sudden cessation can lead to a temporary deficiency state as the body's upregulated clearance mechanisms take time to normalize. A gradual tapering of the dose over 1-2 weeks is recommended for those on supra-therapeutic doses.
> Important: Discuss all your medical conditions, especially kidney disease or blood disorders, with your healthcare provider before starting Solanum Tuberosum extracts.
There are few absolute contraindications for Solanum Tuberosum, but the following should be avoided:
Solanum Tuberosum extracts are known to cause interference in:
> Important: Tell your doctor about ALL medications, supplements, and herbal products you are taking, as the chemical properties of Solanum Tuberosum can alter the metabolism of many substances.
Solanum Tuberosum extracts must NEVER be used in the following circumstances:
Conditions requiring a careful risk-benefit analysis by a healthcare provider include:
Patients should be aware of potential cross-reactivity between Solanum Tuberosum and the following:
> Important: Your healthcare provider will evaluate your complete medical history, including any history of stones or blood disorders, before prescribing Solanum Tuberosum extracts.
FDA Pregnancy Category C (for extracts). In its dietary form, Solanum Tuberosum is a vital part of a pregnancy diet. However, for concentrated extracts or immunotherapy, the safety profile is less clear.
Vitamin C from Solanum Tuberosum is naturally excreted in breast milk. The concentration in milk is relatively stable even if maternal intake varies. However, the use of allergenic extracts for immunotherapy during lactation should be approached with caution; while the proteins are unlikely to pass into milk in significant quantities, a systemic reaction in the mother could interfere with breastfeeding.
Solanum Tuberosum is a primary weaning food in many cultures and is safe for children.
In elderly patients, Solanum Tuberosum extracts are generally well-tolerated. However, clinicians must consider:
Patients with a GFR (Glomerular Filtration Rate) below 30 mL/min should avoid high-dose Solanum Tuberosum extracts. The inability to clear oxalate can lead to systemic oxalosis, where oxalate crystals deposit in the kidneys, heart, and joints.
No specific dose adjustments are typically required for patients with liver disease, as the liver is not the primary organ for Vitamin C metabolism or excretion. However, in patients with end-stage liver disease, monitoring for overall nutritional status is essential.
> Important: Special populations, particularly pregnant women and those with kidney disease, require individualized medical assessment before using concentrated Solanum Tuberosum products.
Solanum Tuberosum functions through two primary pharmacological pathways based on its EPC classification:
| Parameter | Value |
|---|---|
| Bioavailability | 70-90% (at low doses) |
| Protein Binding | 25% (ascorbic acid) |
| Half-life | 10-20 days |
| Tmax | 2-3 hours (Oral) |
| Metabolism | Non-enzymatic oxidation to dehydroascorbic acid |
| Excretion | Renal (primarily as oxalate and unchanged ascorbic acid) |
Solanum Tuberosum is classified within the Vitamin C [EPC] and Allergenic Extract [EPC] categories. It is related to other nightshade extracts such as Solanum Lycopersicum (Tomato) and Capsicum annuum (Pepper) in the context of allergy diagnostics.
Common questions about Solanum Tuberosum
Solanum Tuberosum is used in clinical medicine primarily as a source of Vitamin C and as an allergenic extract for allergy testing. As a Vitamin C source, it helps treat and prevent scurvy, supports collagen synthesis, and acts as an antioxidant. In the field of allergy, extracts are used by specialists to diagnose potato allergies through skin prick testing. Some healthcare providers may also use it in immunotherapy to desensitize patients with severe nightshade sensitivities. Additionally, it provides essential dietary minerals like potassium and B-vitamins.
The most common side effects associated with Solanum Tuberosum extracts include gastrointestinal issues such as nausea, diarrhea, and stomach cramps, especially at high doses. When used as an allergenic extract for skin testing or shots, patients frequently experience local reactions like redness, itching, and swelling at the injection site. These local reactions are usually mild and disappear within a day. If taken as a whole food, it is generally side-effect-free for most people. However, anyone with a nightshade allergy should avoid all forms of the plant.
While there is no direct, dangerous interaction between alcohol and Solanum Tuberosum, caution is advised. Alcohol can irritate the stomach lining, which may worsen the digestive side effects sometimes caused by concentrated Vitamin C extracts. Furthermore, chronic alcohol consumption is known to deplete the body's natural stores of Vitamin C, which might interfere with the therapeutic goals of taking the extract. It is best to discuss your alcohol consumption with your doctor if you are using Solanum Tuberosum for a specific medical condition. Moderation is key to ensuring the extract works effectively.
In its common food form, Solanum Tuberosum is considered safe and healthy during pregnancy, providing essential nutrients for both mother and baby. However, concentrated extracts or high-dose Vitamin C supplements should only be used under medical supervision. The FDA classifies allergenic extracts in Pregnancy Category C, meaning their safety has not been fully established in pregnant women. High doses of Vitamin C (well above the RDA) should be avoided to prevent potential 'rebound scurvy' in the newborn. Always consult your obstetrician before starting any new extract or supplement during pregnancy.
The time it takes for Solanum Tuberosum to work depends on the condition being treated. For Vitamin C deficiency (scurvy), patients often notice an improvement in symptoms like gum bleeding or fatigue within 24 to 48 hours of starting treatment. For allergy diagnosis, a skin prick test using the extract provides results in just 15 to 20 minutes. However, if the extract is being used for allergen immunotherapy (allergy shots), it can take several months of regular treatment before a significant reduction in allergic symptoms is noticed. Consistency is vital for long-term immunological changes.
If you are consuming Solanum Tuberosum as part of a normal diet, you can stop at any time without issue. However, if you have been taking high-dose pharmaceutical extracts (over 1,000 mg of Vitamin C daily), you should not stop suddenly. Abruptly stopping high doses can cause 'rebound' symptoms because your body has adjusted to clearing large amounts of the substance. This can lead to temporary symptoms of deficiency even if your diet is otherwise adequate. It is recommended to gradually reduce the dose over a week or two under a doctor's guidance.
If you miss a scheduled dose of a Solanum Tuberosum supplement, take it as soon as you remember. If it is nearly time for your next dose, it is better to skip the missed one and continue with your regular schedule; do not double the dose to catch up. For those receiving allergenic extract injections, a missed dose is more critical. Contact your allergist immediately to reschedule, as missing an immunotherapy appointment may require a temporary dose reduction to ensure safety. Following a consistent schedule is important for the effectiveness of the treatment.
Solanum Tuberosum in its extract or supplement form does not contain enough calories to cause weight gain. When eaten as a whole food (potatoes), it is a complex carbohydrate that can be part of a healthy weight-management plan, though how it is prepared (e.g., frying) significantly impacts calorie count. The clinical extracts used for Vitamin C or allergy testing have no impact on body fat or weight. If you notice sudden weight gain or swelling while taking any supplement, you should contact your healthcare provider. This could be a sign of an unrelated medical issue or a rare reaction.
Solanum Tuberosum extracts can interact with several medications, so it is important to keep your doctor informed. High doses can interfere with the blood-thinner warfarin, potentially making it less effective and increasing the risk of clots. It can also increase the absorption of iron supplements, which may be harmful for people with iron-overload disorders. Additionally, it may interfere with certain chemotherapy drugs like Velcade. Always provide your healthcare provider with a full list of your current medications, including over-the-counter drugs and herbal supplements, to avoid these interactions.
Yes, Solanum Tuberosum is available in various generic forms, particularly as Vitamin C (ascorbic acid) supplements and non-standardized allergenic extracts. Because 'Solanum Tuberosum' is the botanical name for a common plant, many different manufacturers produce extracts and supplements derived from it. Generic versions are typically more cost-effective than brand-name supplements and are required by the FDA to meet the same quality standards. When purchasing, look for products that have been third-party tested for purity. For allergenic extracts, your specialist will typically select the appropriate preparation for your needs.