Rasona Patra
Allium sativum L. (leaves/greens)
Rasona Patra (Allium sativum L. (leaves/greens)) is a plant drug, also called Lasunam, Rasonam and Lahasuna, from the Amaryllidaceae (Alliaceae) family. WHO monograph for Bulbus Allii Sativi covers the bulb specifically; garlic leaves not separately monographed; traditional use of all aerial parts documented in Ayurvedic and Iranian traditional medicine.
| Botanical name | Allium sativum L. (leaves/greens) |
|---|---|
| Family | Amaryllidaceae (Alliaceae) · other entries in this family |
| Order | Asparagales |
| Also known as | Allium sativum L. (leaves/greens), Rasona Patra, RasonaPatra |
| Pharmacopoeia status | WHO monograph for Bulbus Allii Sativi covers the bulb specifically; garlic leaves not separately monographed; traditional use of all aerial parts documented in Ayurvedic and Iranian traditional medicine |
| Taxon identifiers | GBIF 2856681 · Wikidata Q23400 · NCBI Taxonomy 4682 |
| Sanskrit | लशुनम् (laśunam), रसोनम् (rasonam) |
|---|---|
| Hindi | लहसुन (lahasuna) |
| Tamil | பூண்டு, வெள்ளைப்பூண்டு |
Sources: Ayurvedic Pharmacopoeia of India Part I, LASUNA (Bulb) = Allium sativum Linn., Hindi: 'Lahasun'.; Ayurvedic Pharmacopoeia of India Part I, LASUNA (Bulb) = Allium sativum Linn., Sanskrit synonyms: 'Rasona, Yavanesta'; Ayurvedic Pharmacopoeia of India Part I, LASUNA (Bulb) = Allium sativum, Tamil: 'Vellaipoondu'; Ayurvedic Pharmacopoeia of India Part I, monograph title LASUNA (Bulb) = Allium sativum Linn., Sanskrit synonyms 'Rasona, Yavanesta'.; University of Madras Tamil Lexicon (via agarathi.com): பூண்டு 'Garlic; உள்ளிப்பூடு'; API LASUNA Tamil 'Vellaipoondu' for Allium sativum.. How we source.
The evidence at a glance
12papers on this site for this drug, published 2013 to 2025, every one with a DOI.
- 1Systematic reviews and meta-analyses
- 9Other clinical studies and reviews
- 2Laboratory and animal studies
A count is not a conclusion and a tier is a study design, not a verdict. Each paper is listed with what it measured on the page below. See the research index for how papers are tiered.
Names and identification
| Language | Name |
|---|---|
| English | Rasona Patra |
| Latin/Botanical | Allium sativum L. (leaves/greens) |
Key Phytochemical Constituents
- Allicin (lower concentration than bulb)
- S-allylcysteine
- Diallyl sulfide
- Chlorophyll
- Beta-carotene
- Vitamin C
- Vitamin K
- Quercetin
- Kaempferol
- Selenium
How does it work?
- Organosulfur compounds in garlic leaves undergo enzymatic conversion (via alliinase) to bioactive thiosulfinates upon tissue damage, providing antimicrobial activity through sulfhydryl group oxidation in microbial enzymes
- Flavonoids (quercetin, kaempferol) in garlic leaves provide antioxidant protection through chelation of pro-oxidant transition metals and scavenging of superoxide and hydroxyl radicals
- Chlorophyll and beta-carotene in fresh garlic leaves contribute additional antioxidant and photoprotective effects not present in garlic bulb preparations
Which traditional uses are supported by research?
These summaries come from the source notes, which do not name the studies behind them.
- Garlic leaf preparations are traditionally used for infections. Studies have reported activity of organosulfur compounds against bacteria, fungi, and parasites.
- Fresh garlic greens are traditionally valued as a health-promoting food in Ayurvedic dietary recommendations. Analyses of their phenolic and flavonoid content have reported antioxidant activity.
What do recent studies show?
- Jain M, Patil N, Mohammed A and others 2025. Valorization of garlic (Allium sativum L.) byproducts: Bioactive compounds, biological properties, and applications. Journal of food science. PMID 40135462 · doi:10.1111/1750-3841.70152
Garlic leaves and stems contain significant bioactive sulfur compounds, flavonoids, and phenolic acids with demonstrated antioxidant and antimicrobial properties, establishing their value as functional food ingredients. - El-Saber Batiha G, Magdy Beshbishy A, G Wasef L and others 2020. Chemical Constituents and Pharmacological Activities of Garlic (Allium sativum L.): A Review. Nutrients. PMID 32213941 · doi:10.3390/nu12030872
All parts of garlic including leaves contain organosulfur compounds with antioxidant, anti-inflammatory, and antimicrobial activities, though bulb preparations have been more extensively studied. - Tesfaye A 2021. Revealing the Therapeutic Uses of Garlic (Allium sativum) and Its Potential for Drug Discovery. TheScientificWorldJournal. PMID 35002548 · doi:10.1155/2021/8817288
Garlic foliage, flowers, and cloves all contain active sulfur compounds utilized in traditional medicine systems globally for diverse therapeutic applications.
Recent safety updates
- Garlic leaves (green garlic) are consumed as food worldwide with excellent safety profile; milder flavor and lower organosulfur content compared to bulb
- Similar precautions as garlic bulb apply but at lower intensity due to reduced allicin content: potential for mild GI irritation, garlic odor, and theoretical anticoagulant effects
- Contact dermatitis possible in sensitized individuals; cross-reactivity with other Allium species (onion, leek) documented
Dosage forms and preparation
Dosage Forms: Swarasa (fresh leaf juice), Churna (dried leaf powder), Capsule, Tablet, Lepa (paste), Topical preparation
Standard Dosage: 5-15 mL fresh leaf juice daily; 2-4 g dried leaf powder daily; 500 mg leaf extract twice daily; topical paste as needed
Optimal Timing: Fresh juice: morning on empty stomach or with meals. Dried leaf powder: with meals. As culinary herb: add to dishes at end of cooking to preserve bioactives.
Storage: Fresh leaves: 2-8 deg C in perforated bags. Dried powder: airtight, below 25 deg C, RH <40%, nitrogen-flushed, protected from light (chlorophyll oxidation). Extract: amber containers, below 25 deg C.
Marker Compounds: Alliin (lower than bulb), Diallyl sulfides, Kaempferol, Quercetin, Chlorophyll a and b, Folate, Beta-carotene, Ascorbic acid
Synergistic Combinations
Published research
Literature indexed in PubMed that concerns this subject, grouped by study type. A paper appearing here is a record of what has been published, not evidence that the subject works, and laboratory or animal results do not transfer to people. Study titles link to PubMed so you can read the source rather than take our word.
Systematic reviews and meta-analyses1
- 2023. Garlic: A systematic review of the effects on cardiovascular diseasesCritical reviews in food science and nutrition. PMID 35193446 · doi:10.1080/10408398.2022.2043821
Other clinical studies and reviews9
- 2025. Valorization of garlic (Allium sativum L.) byproducts: Bioactive compounds, biological properties, and applicationsJournal of food science. PMID 40135462 · doi:10.1111/1750-3841.70152
- 2024. Garlic bioactive substances and their therapeutic applications for improving human health: a comprehensive reviewFrontiers in immunology. PMID 38915405 · doi:10.3389/fimmu.2024.1277074
- 2024. Garlic (Allium sativum L.) in diabetes and its complications: Recent advances in mechanisms of actionCritical reviews in food science and nutrition. PMID 36503329 · doi:10.1080/10408398.2022.2153793
- 2021. Revealing the Therapeutic Uses of Garlic (Allium sativum) and Its Potential for Drug DiscoveryTheScientificWorldJournal. PMID 35002548 · doi:10.1155/2021/8817288
- 2020. Chemical Constituents and Pharmacological Activities of Garlic (Allium sativum L.): A ReviewNutrients. PMID 32213941 · doi:10.3390/nu12030872
- 2019. Bioactive Compounds and Biological Functions of Garlic (Allium sativum L.)Foods (Basel, Switzerland). PMID 31284512 · doi:10.3390/foods8070246
- 2018. In Vitro and In Vivo Immunomodulator Activities of Allium sativum LEvidence-based complementary and alternative medicine : eCAM. PMID 30008785 · doi:10.1155/2018/4984659
- 2017. Antileishmanial and Immunomodulatory Activity of Allium sativum (Garlic): A ReviewJournal of evidence-based complementary & alternative medicine. PMID 26721553 · doi:10.1177/2156587215623126
- 2013. Antioxidant action and therapeutic efficacy of Allium sativum LMolecules (Basel, Switzerland). PMID 23292331 · doi:10.3390/molecules18010690
Laboratory and animal studies2
- 2024. Allium sativum nanovesicles exhibit anti-inflammatory and antifibrotic activity in a bleomycin-induced lung fibrosis modelMolecular biology reports. PMID 39560703 · doi:10.1007/s11033-024-10104-8
- 2023. Effect of Allium sativum and Olea europaea on serum lipids in patients with diabetes mellitusJournal of Taibah University Medical Sciences. PMID 37102080 · doi:10.1016/j.jtumed.2022.09.007
Reviewed by Dr. Awadesh Pratap Singh, BAMS, on 11 October 2026. What that review covered.
Consult a qualified vaidya before acting on anything here. Ayurvedic practice is prescribed to a person, not to a condition: the same dravya is given, withheld or substituted depending on your constitution, your agni, the season and what else you are already taking. A page cannot know any of that. Self-prescribing from a reference is how the wrong preparation, the wrong dose or the wrong anupana gets used.
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