Shalparni

Desmodium gangeticum
Shalparni (Desmodium gangeticum), a perennial herb, is widely distributed across tropical and subtropical regions and recognized in Ayurveda. Its roots, stems, and leaves are traditionally used for their claimed balancing effects on Vata, Pitta, and Kapha doshas. This plant is prevalent in traditional systems of medicine for its supposed therapeutic properties.
PLANT FAMILY
Fabaceae (Legume)
PARTS USED
Root, Stem, Leaves
AYURVEDIC ACTION
Vata ↓, Pitta ↓, Kapha ↓
ACTIVE COMPOUNDS
Flavonoids (0.1-0.3%)

What is Shalparni?

Shalparni, scientifically known as Desmodium gangeticum, is a perennial herb belonging to the Fabaceae (Legume) family. It is widely distributed across tropical and subtropical regions, often found in forests and open grasslands. Characterized by its trifoliate leaves and small, purplish flowers, it produces distinctive flattened, jointed pods.

This plant is recognized for its robust growth and its traditional use in various indigenous systems of medicine. The roots, stems, and leaves are the primary parts harvested for their bioactive compounds.

Other Names of Shalparni

  • Sal leaved desmodium
  • Ticktrefoil
  • Sarivan

Benefits of Shalparni

Heading

<h3> Absolute Contraindications of Shalparni </h3> <h4> Being treated with insulin or oral diabetes medicines (low blood sugar risk)</h4> <ul> <li> ⚠️ <li> Recommendation: If you already take insulin or blood-sugar lowering pills, do not start Shalparni without discussing dose changes with your prescriber-monitor blood sugar closely. <li> Reasoning: Animal and cell studies show Desmodium extracts lower blood glucose and stimulate insulin release; when combined with prescribed hypoglycemic drugs this can cause excessive lowering of blood glucose (hypoglycaemia). <li> Scientific_Study_Title: Effect of Desmodium gangeticum extract on blood glucose in rats and on insulin secretion in vitro <li> Scientific_Study_Authors: Raghavan Govindarajan, Henry Asare-Anane, Shanta Persaud, Peter Jones, Peter J Houghton <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/17431824/ <li> Scientific_Study_Excerpt: <p>In diabetic rats treated orally with aerial parts extract of Desmodium gangeticum (100 and 250 mg/kg) for three weeks, investigators observed a statistically significant reduction in blood glucose compared with controls. Complementary in vitro work showed the extract increased insulin secretion from MIN6 pancreatic beta-cell models (monolayers and pseudoislets). The paper concludes the plant’s antidiabetic action is at least partly due to stimulation of insulin release and also produced favourable changes in lipid profile (reduced cholesterol and triglycerides, increased HDL). These findings support caution when combining the plant with hypoglycaemic drugs because additive glucose-lowering effects may occur.</p> </ul> <h4> Using sedatives, opioid pain medicines or other central nervous system depressants</h4> <ul> <li> 😴 <li> Recommendation: Avoid combining Shalparni extracts with sedatives, benzodiazepines, opioids or alcohol without medical advice; if you must combine, use lower doses and avoid driving/operating machinery. <li> Reasoning: Animal pharmacology shows moderate CNS-depressant effects (reduced locomotion, exploratory behaviour), so additive sedation or slowed reflexes can occur with other CNS depressants. <li> Scientific_Study_Title: The effects of aqueous extracts of Desmodium gangeticum DC. (Leguminosae) on the central nervous system <li> Scientific_Study_Authors: S Jabbar, M T Khan, M S Choudhuri <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/11446174/ <li> Scientific_Study_Excerpt: <p>Rodent behavioural studies with aqueous Desmodium gangeticum extract showed no effect in a hot-plate analgesia test but pronounced activity in the acetic-acid writhing assay and moderate depression of central nervous system behaviours: spontaneous motor activity, hole-cross, open-field and hole-board tests were all reduced. The authors compared effects with standard CNS agents and concluded the extract exerts an observable CNS-depressant profile in vivo. Clinically, this implies potential additive sedation when used with other depressant drugs.</p> </ul> <h4> Pregnancy and breastfeeding (use with caution / avoid unless prescribed)</h4> <ul> <li> 🤰 <li> Recommendation: Avoid routine use of Shalparni extracts during pregnancy or breastfeeding unless a qualified practitioner has weighed benefits and risks; seek medical advice before use. <li> Reasoning: There are limited controlled human safety data for Desmodium species in pregnancy; general reviews of medicinal plant use in pregnancy document risks from untested herbs and recommend avoidance when safety is unproven. <li> Scientific_Study_Title: Is it safe to consume traditional medicinal plants during pregnancy? - a review of potential risks <li> Scientific_Study_Authors: (Review authors summarized in article) <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/33164294/ <li> Scientific_Study_Excerpt: <p>Comprehensive reviews of traditional medicinal plant use in pregnancy highlight documented risks such as embryotoxicity, teratogenicity and uterine stimulation for certain herbs and emphasize that many plants lack adequate reproductive safety data. The authors stress that phytochemicals can cross the placenta and alter hormone balance or uterine activity, potentially causing miscarriage or fetal harm. Because specific reproductive safety trials are missing for many herbs (including many Desmodium spp.), the conservative recommendation is to avoid non-essential herbal medicines in pregnancy and lactation without specialist oversight.</p> </ul> <h3> Relative Contraindications of Shalparni </h3> <h4> Taking medicines primarily cleared by liver cytochrome P450 enzymes (narrow therapeutic index drugs)</h4> <ul> <li> 💊 <li> Interaction_Details: Shalparni relatives in the Desmodium genus have been shown in animal studies to alter hepatic drug-metabolising enzyme activity (induction/inhibition), which can change blood levels of co-administered drugs. <li> Severity: Moderate <li> Recommendation: If you take warfarin, anticonvulsants, oral contraceptives or other drugs with narrow therapeutic windows, consult your clinician before starting Shalparni; monitoring or dose adjustment may be needed. <li> Scientific_Study_Title: Acute and Subchronic Toxicity Studies of Aqueous Extract of Desmodium adscendens (Sw) DC <li> Scientific_Study_Authors: Osbourne Quaye, Precious Cramer, Mark Ofosuhene, Laud K N Okine, Alexander K Nyarko <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/29228815/ <li> Scientific_Study_Excerpt: <p>Subchronic administration of Desmodium adscendens leaf extract in rats altered hepatic microsomal protein content and activities of CYP-linked enzyme assays (EROD, PROD and para-nitrophenol activities used as proxies for CYP1A, CYP2B and CYP2E systems). The same study observed a decrease in thiopentone sleeping time and altered zoxazolamine paralysis time, consistent with modulation of drug metabolism. The authors warned that such CYP induction/inhibition implies possible herb-drug interactions when extracts are co-administered with conventional drugs metabolised by these pathways.</p> </ul> <h4> Children, frail elderly or those with chronic multi-morbidity (limited human dose-finding and safety trials)</h4> <ul> <li> 👶🧓 <li> Recommendation: Use caution in very young children, frail elderly or medically complex patients - start with low exposures only under practitioner supervision and monitor clinically. <li> Reasoning: While several Desmodium species show pharmacological promise, controlled human dosing and long-term safety data are limited; animal acute toxicity and single-species reports are available but do not substitute for clinical trials in vulnerable groups. <li> Scientific_Study_Title: Methanol Leaf Extract of Desmodium velutinum (Wild.) D.C. and Acarbose Exhibit Additive Pharmacological Effects in Diabetic Wistar Rats <li> Scientific_Study_Authors: Ozougwu V E O, Akuba B O, Idakwoji P A <li> Scientific_Study_Link: https://biomedgrid.com/fulltext/volume14/methanol-leaf-extract-of-desmodium-velutinum-wild.d.c.and-acarbose-exhibit-additive-pharmacological-effects-in-diabetic-wistar-rats.001958.php <li> Scientific_Study_Excerpt: <p>Preclinical work with Desmodium velutinum showed glucose-lowering effects in diabetic rat models and reported acute toxicity testing to establish LD50 values; the paper concluded the extract and acarbose had additive pharmacological effects. The study underscores that most safety and dose-finding evidence for Desmodium spp. comes from animal models; human-specific dosing and long-term safety (particularly in infants, children and frail elders) remain insufficient, supporting a cautious approach in these groups.</p> </ul>

Heading

<h4> Drowsiness / reduced alertness</h4> <ul> <li> 😴 <li> Side effect summary: Some people may experience sleepiness or slowed reactions after taking Shalparni, especially at higher doses or when combined with sedating medicines or alcohol. <li> Recommendation: Avoid driving or operating heavy machinery until you know how you respond; if using prescription sedatives, consult your clinician first. <li> Reasoning: Animal behaviour studies show measurable CNS-depressant effects (reduced locomotion and exploratory behaviour), implying similar sedating potential in humans at sufficient exposure or with interacting drugs. <li> Severity Level: Moderate <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: The effects of aqueous extracts of Desmodium gangeticum DC. (Leguminosae) on the central nervous system <li> Scientific_Study_Authors: S Jabbar, M T Khan, M S Choudhuri <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/11446174/ <li> Scientific_Study_Excerpt: <p>In rodent paradigms, aqueous extracts of Desmodium gangeticum produced little effect in acute thermal nociception but showed strong activity in writhing assays and a consistent reduction in spontaneous motor activity, hole-cross, open-field and hole-board test performance. The authors interpreted these results as moderate CNS-depressant activity. While direct human evidence is lacking, the animal data support the possibility of drowsiness or reduced psychomotor performance in some humans, particularly when combined with other central depressants.</p> </ul> <h4> Changes in liver enzymes with prolonged or high-dose use (laboratory signal)</h4> <ul> <li> 🧪 <li> Side effect summary: In some animal studies prolonged intake at high doses produced elevations in liver enzyme markers-this may be an early laboratory sign of liver stress in susceptible subjects. <li> Recommendation: If you have chronic liver disease or are on liver-metabolised medications, check liver tests periodically when using Shalparni preparations; stop and consult a clinician if you develop jaundice or persistent abdominal pain. <li> Reasoning: Subchronic animal data in a Desmodium species reported modest rises in transaminases and changes in bilirubin at high doses, suggesting monitoring is prudent in humans with liver vulnerability. <li> Severity Level: Moderate <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Acute and Subchronic Toxicity Studies of Aqueous Extract of Desmodium adscendens (Sw) DC <li> Scientific_Study_Authors: Osbourne Quaye, Precious Cramer, Mark Ofosuhene, Laud K N Okine, Alexander K Nyarko <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/29228815/ <li> Scientific_Study_Excerpt: <p>In subchronic dosing studies with Desmodium adscendens in rats, investigators observed dose-related increases in serum alanine and aspartate aminotransferase activities and changes in direct bilirubin at higher dose groups. Although the authors concluded the extract was generally safe at therapeutic doses, they noted these biochemical changes at supra-therapeutic exposures and recommended caution and monitoring when extracts are used chronically or at high doses.</p> </ul> <h4> Blood sugar lowering (when used alone at therapeutic doses or combined with antidiabetic drugs)</h4> <ul> <li> 🩸 <li> Side effect summary: Shalparni can reduce blood glucose; for people not diabetic this could cause symptomatic low sugar when used with other glucose-lowering agents. <li> Recommendation: People on antidiabetic therapy should only use Shalparni under medical supervision with frequent glucose monitoring; severe hypoglycaemia warrants immediate medical attention. <li> Reasoning: Controlled animal and beta-cell studies show the plant stimulates insulin and lowers glucose-this is beneficial therapeutically but may become harmful when additive with prescription drugs. <li> Severity Level: Severe <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Effect of Desmodium gangeticum extract on blood glucose in rats and on insulin secretion in vitro <li> Scientific_Study_Authors: Raghavan Govindarajan, Henry Asare-Anane, Shanta Persaud, Peter Jones, Peter J Houghton <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/17431824/ <li> Scientific_Study_Excerpt: <p>The study reported significant reductions in blood glucose in diabetic rat models after 3 weeks of oral Desmodium gangeticum treatment (100 and 250 mg/kg). In vitro pancreatic beta-cell experiments demonstrated increased insulin secretion following extract exposure. Because these mechanisms are insulin-mediated, co-administration with insulin or oral hypoglycemics could lead to clinically important hypoglycaemia if doses are not adjusted and glucose is not monitored.</p> </ul>

Heading

<h4> Antidiabetic agents (insulin, sulfonylureas, metformin, etc.)</h4> <ul> <li> Interaction_Details: Desmodium gangeticum extracts lower blood glucose and stimulate insulin release in animal and cell models; when combined with prescription glucose-lowering drugs this can produce additive blood sugar reduction and risk of hypoglycaemia. <li> Severity: Severe <li> Recommendation: Avoid unsupervised combined use. If prescribed together, arrange closer glucose monitoring and be prepared to reduce doses of conventional medicines under clinician guidance. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/17431824/ <li> Scientific_Study_Title: Effect of Desmodium gangeticum extract on blood glucose in rats and on insulin secretion in vitro <li> Scientfic_Study_Authors: Raghavan Govindarajan, Henry Asare-Anane, Shanta Persaud, Peter Jones, Peter J Houghton <li> Scientific_Study_Excerpt: <p>In diabetic rat models, oral Desmodium gangeticum extract (100-250 mg/kg) significantly reduced blood glucose levels after three weeks. Complementary in vitro beta-cell assays (MIN6 cells) showed increased insulin secretion with extract exposure, indicating a direct insulin-secretagogue effect. These convergent lines of evidence explain why concurrent use with insulin or oral hypoglycaemics could lower glucose beyond intended targets, increasing the risk of symptomatic or severe hypoglycaemia without dose adjustment and monitoring.</p> </ul> <h4> Central nervous system depressants (benzodiazepines, opioids, some antihistamines, alcohol)</h4> <ul> <li> Interaction_Details: Animal studies show moderate CNS-depressant effects from Desmodium extracts; co-administration may produce additive sedation, slowed reaction times and impaired coordination. <li> Severity: Moderate <li> Recommendation: Avoid combining with sedating medicines or alcohol; if necessary, reduce doses and avoid tasks requiring alertness. Discuss with your prescribing clinician. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/11446174/ <li> Scientific_Study_Title: The effects of aqueous extracts of Desmodium gangeticum DC. (Leguminosae) on the central nervous system <li> Scientfic_Study_Authors: S Jabbar, M T Khan, M S Choudhuri <li> Scientific_Study_Excerpt: <p>Behavioural testing in rodents exposed to aqueous Desmodium gangeticum extract revealed reductions in spontaneous motor activity and performance in exploratory tasks, consistent with moderate CNS depression. Given these findings, concomitant use with other drugs that depress the central nervous system (e.g., benzodiazepines, opioids, sedating antihistamines, or alcohol) could enhance sedation and psychomotor impairment. The animal evidence supports clinical caution and dose adjustment when combining such agents.</p> </ul> <h4> Drugs metabolized by hepatic cytochrome P450 enzymes and anaesthetics (example: thiopentone) </h4> <ul> <li> Interaction_Details: Related Desmodium species have been shown to alter hepatic microsomal enzyme activities (CYP induction/inhibition) and to shorten or prevent sleeping time from barbiturate anaesthetics in animals, indicating clinically relevant interactions with drugs cleared by these pathways and with anaesthetic agents. <li> Severity: Moderate <li> Recommendation: Inform your anaesthesiologist before surgery; for chronic drugs metabolised by CYP enzymes (warfarin, anticonvulsants, some statins, oral contraceptives) seek prescriber advice and consider monitoring drug levels or effect markers. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/29228815/ <li> Scientific_Study_Title: Acute and Subchronic Toxicity Studies of Aqueous Extract of Desmodium adscendens (Sw) DC <li> Scientfic_Study_Authors: Osbourne Quaye, Precious Cramer, Mark Ofosuhene, Laud K N Okine, Alexander K Nyarko <li> Scientific_Study_Excerpt: <p>Subchronic administration of Desmodium adscendens extract in rats produced measurable changes in hepatic microsomal protein and activities of assays reflecting CYP-linked enzymes (EROD, PROD, para-nitrophenol), consistent with enzyme induction/inhibition. The same work reported a decrease in zoxazolamine paralysis time and prevention of thiopentone-induced sleep, demonstrating altered responses to anaesthetic/barbiturate agents. The authors concluded that, although the plant showed general safety at therapeutic doses, the observed effects on xenobiotic-metabolising enzymes raise the potential for herb-drug interactions that warrant clinical caution.</p> </ul>