Kochia — Hermetica Encyclopedia
Herb · Pacific Islands

Kochia (Bassia scoparia)

Preliminary EvidenceCompound

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The Short Answer

Bassia scoparia contains triterpenoids (notably momordin Ic), flavonoids, saponins, and small-molecule seed exudate compounds that modulate COL1A1, HAS3, MMP-1, COX-2, and IL-1β expression to produce antifungal, anti-inflammatory, and skin-protective effects. In preclinical models, whole-plant extract applied at 1–10% concentration significantly upregulated collagen gene COL1A1 and hyaluronan synthase HAS3 (p < 0.001 vs. UV control) while seed exudates achieved antifungal MIC of 3.125 mg/L against Colletotrichum graminicola with a 4-log reduction in viability within 6 hours.

PubMed Studies
7
Validated Benefits
Synergy Pairings
At a Glance
CategoryHerb
GroupPacific Islands
Evidence LevelPreliminary
Primary Keywordkochia Bassia scoparia benefits
Kochia close-up macro showing natural texture and detail — rich in cyp2c9, cox-2 inhibition potential, weight
Kochia — botanical close-up

Health Benefits

**Antifungal Activity**
Water-soluble seed exudates (7% of seed mass) inhibit Colletotrichum graminicola hyphal development at a MIC of 3.125 mg/L, reducing fungal viability by four orders of magnitude within 6 hours, likely attributable to low-molecular-weight (<5 kDa) bioactive compounds in the exudate fraction.
**Anti-Photoaging and Skin Collagen Support**
Whole-plant Bassia scoparia (WPBS) extract at 1–10% concentrations significantly upregulates COL1A1 (collagen type I) and downregulates MMP-1 (matrix metalloproteinase-1) in UV-stressed HaCaT keratinocytes and Hs68 fibroblasts (p < 0.001 vs. UV control), suggesting protection against UV-induced collagen degradation.
**Skin Hydration and Moisturizing**
WPBS elevates HAS3 (hyaluronan synthase 3) gene expression and upregulates aquaporin-3 (AQP3) in keratinocyte models, providing dual mechanisms for improved epidermal water retention and barrier function at tested concentrations of 1–10%.
**Anti-Inflammatory Effects**
Extracts suppress LPS-induced nitric oxide, prostaglandin E2, and TNF-α production in RAW 264.7 macrophages by downregulating COX-2, iNOS, and IL-1β, as well as reducing inflammatory mediators GDF15, IFITM1, and HMOX1 in cellular inflammatory models.
**Wound Healing Support (Traditional and Preclinical)**
Australian Aboriginal communities historically prepared infusions of Kochia aerial parts to treat external sores, a use that aligns mechanistically with demonstrated anti-inflammatory, antimicrobial, and collagen-stimulating activities observed in vitro.
**Anticancer Preclinical Activity**
The triterpenoid momordin Ic inhibits HepG2 hepatocellular carcinoma cell invasion by suppressing COX-2, activating PPARγ, downregulating MMP-9, and modulating p38 and JNK MAPK signaling pathways, though no in vivo or clinical oncology data exist.
**Anti-Angiogenic Properties**
WPBS extract significantly downregulates VEGF expression (p < 0.001 vs. PGE2 control) in cellular models, suggesting potential utility in conditions driven by pathological angiogenesis, though this remains entirely preclinical.

Origin & History

Kochia growing in Australia — natural habitat
Natural habitat

Bassia scoparia (formerly Kochia scoparia) is native to central Asia and southern Europe but has naturalized extensively across North America, Australia, and East Asia, where it thrives in arid, disturbed, and saline soils. In China, the dried mature fruits (Kochiae Fructus) have been harvested for centuries as a formal pharmacopoeial ingredient, while Australian Aboriginal communities utilized aerial parts as topical infusions. The plant is a fast-growing summer annual that tolerates drought and alkaline conditions, making it ecologically widespread and historically accessible to diverse traditional cultures.

In Traditional Chinese Medicine (TCM), Kochiae Fructus (地肤子, Dì Fū Zǐ) has been documented for over two thousand years, appearing in classical materia medica texts for the treatment of damp-heat skin diseases, urinary tract disorders, pruritus, and eye conditions, reflecting a systematic dermatological and urological application. The dried ripe fruits are official in the Chinese Pharmacopoeia and classified as antipruritic and antiallergic agents, used in multi-herb decoctions for eczema, scabies, and urinary difficulty. Independently, Australian Aboriginal communities incorporated Kochia into topical wound and sore treatments as water infusions, representing a convergent ethnobotanical recognition of its anti-infective and anti-inflammatory properties across geographically distant cultures. In North America, the naturalized weed form (burning bush or summer cypress) has no formal indigenous pharmacopoeial history but has attracted modern agricultural interest due to its competitive invasiveness and antifungal seed chemistry relevant to crop pathogen management.Traditional Medicine

Scientific Research

The available evidence base consists entirely of in vitro cell culture studies and a single oral acute toxicity study in Kunming mice; no human clinical trials have been conducted or identified for any preparation of Bassia scoparia or Kochiae Fructus. Key cell models include HaCaT keratinocytes and Hs68 fibroblasts for dermal endpoints, RAW 264.7 murine macrophages for anti-inflammatory endpoints, and HepG2 hepatocellular carcinoma cells for momordin Ic anticancer activity, with sample sizes and experimental replication details not fully disclosed in available reports. LC-QTOF-MS metabolomic characterization identified 153 compounds in Kochiae Fructus and a distinct phytochemical profile in whole-plant extracts including GABA, C16 sphinganine, and pheophorbide a, providing chemical basis for observed activities. The evidence quality is rated preliminary: bioactivity signals are reproducible across independent laboratories but lack the pharmacokinetic, dose-response, and safety datasets required to support clinical recommendations.

Preparation & Dosage

Kochia prepared as liquid extract — pairs with In TCM practice, Kochiae Fructus is traditionally combined with Cnidium monnieri fruits (She Chuang Zi) in topical decoctions for pruritic skin conditions, a pairing that compounds antipruritic and antifungal activities through complementary mechanisms—Kochiae Fructus targeting COX-2/iNOS inflammatory pathways while Cnidium monnieri contributes osthole-mediated calcium channel modulation. The ferulic acid content in Bassia
Traditional preparation
**Traditional Water Extract (Kochiae Fructus, oral)**
Dried ripe fruits decocted as a water extract; historically used in Chinese medicine at practitioner-directed doses; no pharmacopoeial standard dosage established for modern supplemental use.
**Whole-Plant Aqueous or Hydroalcoholic Extract (Topical)**
Applied at 1–10% (w/v) concentrations in preclinical skin studies; no standardized commercial topical formulation currently available.
**Seed Exudate (Antifungal, Research Context)**
100 mg/mL total extract, achieving antifungal MIC of 3
Tested in vitro at .125 mg/L; not formulated as a commercial preparation.
**Momordin Ic (Isolated Compound)**
Exhibits linear pharmacokinetics in preclinical models; no human dose established; serves primarily as a quality-control marker for Kochiae Fructus standardization.
**Infusion (Aboriginal Traditional Use)**
Aerial parts steeped in water and applied topically to sores; preparation details vary by community and are not formally standardized.
**Standardization Note**
Commercial preparations should be standardized to momordin Ic content as a quality marker, though no regulatory or pharmacopoeial threshold has been formally adopted outside of traditional Chinese medicine quality monographs.

Nutritional Profile

Bassia scoparia seeds and aerial parts contain modest amounts of protein (approximately 0.7% at 100 mg/mL in exudate fraction), with seed exudates comprising fructose, glucose, galactopyranose, and sorbitol as principal carbohydrates alongside organic acids and free amino acids. Phytochemical constituents include triterpenoid saponins (momordin Ic as primary marker), flavonoids, alkaloids, essential oils, and the neurotransmitter precursor GABA identified by LC-QTOF-MS. Additional metabolites detected include C16 sphinganine (a sphingolipid backbone), pheophorbide a (a chlorophyll catabolite with photosensitizing potential), 4-aminobenzoic acid (PABA), ferulic acid (consistent across shoot and root tissues), and sugar acids including d-glyceric acid and ribonic acid. No comprehensive macronutrient or micronutrient panel (vitamins, minerals) has been published; bioavailability data for any constituent following oral intake are absent from the current literature.

How It Works

Mechanism of Action

Momordin Ic, the principal triterpenoid quality marker in Kochiae Fructus, suppresses tumor cell invasion by inhibiting COX-2-mediated prostaglandin synthesis, activating the nuclear receptor PPARγ to reduce pro-inflammatory and pro-tumorigenic gene transcription, downregulating MMP-9 proteolytic activity, and modulating stress kinase cascades p38 MAPK and JNK. Whole-plant extracts exert anti-photoaging effects through simultaneous transcriptional upregulation of COL1A1 and HAS3—increasing dermal collagen and hyaluronic acid biosynthesis—while suppressing MMP-1 to prevent extracellular matrix degradation in UV-stressed fibroblasts and keratinocytes. Anti-inflammatory activity proceeds via inhibition of the NF-κB/COX-2/iNOS axis in macrophages, reducing downstream production of nitric oxide, PGE2, and TNF-α, with additional downregulation of the stress-response gene HMOX1 and interferon-induced transmembrane protein IFITM1. Seed exudate antifungal activity is attributed to low-MW water-soluble compounds (<5 kDa) that disrupt Colletotrichum graminicola hyphal morphogenesis through a mechanism distinct from classical azole or polyene antifungals, though the precise molecular target remains uncharacterized.

Clinical Evidence

No human clinical trials examining efficacy or safety of Bassia scoparia, Kochiae Fructus, or momordin Ic have been published or registered in available databases. All quantified outcomes derive from preclinical systems: statistically significant gene expression changes (p < 0.001) in UV-irradiated skin cell lines at 1–10% WPBS extract, a 4-log antifungal viability reduction at MIC 3.125 mg/L, and macrophage cytokine suppression—none of which can be directly extrapolated to human therapeutic doses or outcomes. The oral LD50 of 7.15 ± 0.03 g/kg in mice provides limited but supportive preliminary safety data for the water extract. Until randomized controlled trials in human subjects are conducted, clinical confidence in any therapeutic application remains low and use should be guided by traditional practice norms and practitioner judgment.

Safety & Interactions

The oral acute toxicity LD50 for Kochiae Fructus water extract is 7.15 ± 0.03 g/kg in Kunming mice, indicating low acute toxicity at this dose level, though this single animal study is insufficient to characterize chronic toxicity, organ-specific effects, or carcinogenicity. Pheophorbide a, identified in whole-plant extracts, is a known photosensitizer that can cause phototoxic reactions upon systemic absorption and UV exposure, representing a potential safety concern for topical or oral preparations used in sun-exposed individuals. No drug interaction data are available; however, given the plant's COX-2 inhibitory and PPARγ-activating activities of momordin Ic, theoretical interactions with NSAIDs, anticoagulants, and antidiabetic medications warrant precautionary awareness. No safety data exist for pregnancy, lactation, pediatric populations, or individuals with hepatic or renal impairment, and use in these groups cannot be recommended based on current evidence.

Synergy Stack

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Also Known As

Bassia scopariaKochia scopariaKochiae FructusDi Fu Ziburning bushsummer cypressbelvedere

Frequently Asked Questions

What is Kochiae Fructus used for in Traditional Chinese Medicine?
In TCM, Kochiae Fructus (地肤子, Dì Fū Zǐ) is the dried ripe fruit of Bassia scoparia used primarily as an antipruritic and antiallergic agent for damp-heat skin disorders including eczema, scabies, and urticaria, as well as for urinary difficulty and eye inflammation. It is typically prepared as a water decoction and combined with complementary herbs; the active triterpenoid momordin Ic serves as the pharmacopoeial quality marker. It has been an officially listed ingredient in the Chinese Pharmacopoeia for decades.
Does kochia have proven antifungal properties?
Preclinical evidence shows that water-soluble seed exudates of Bassia scoparia inhibit Colletotrichum graminicola (a crop fungal pathogen) at a MIC of 3.125 mg/L, reducing fungal viability by 4 orders of magnitude within 6 hours. The active fraction consists of low-molecular-weight compounds under 5 kDa, though their precise identities remain uncharacterized. No human or animal antifungal clinical trials have been conducted, so these findings cannot yet be translated to clinical recommendations.
Can kochia extract help with skin aging or UV damage?
In vitro studies using whole-plant Bassia scoparia (WPBS) extract at 1–10% concentrations on UV-stressed HaCaT keratinocytes and Hs68 fibroblasts demonstrated significant upregulation of collagen gene COL1A1 and hyaluronan synthase HAS3, alongside downregulation of the collagen-degrading enzyme MMP-1 (all p < 0.001 vs. UV control). Aquaporin-3 (AQP3) was also elevated, suggesting improved epidermal water retention. These effects are promising but derived entirely from cell culture models with no human clinical trial data available.
Is kochia safe to consume or use topically?
The oral LD50 of Kochiae Fructus water extract is 7.15 ± 0.03 g/kg in mice, indicating low acute toxicity, and topical use in TCM and Aboriginal traditions has a long history without widely reported adverse events. However, whole-plant extracts contain pheophorbide a, a chlorophyll metabolite with photosensitizing potential that could cause skin reactions upon UV exposure if absorbed. No human safety trials, drug interaction studies, or data for pregnancy and lactation exist, making comprehensive safety characterization impossible at present.
What are the main bioactive compounds in Bassia scoparia?
LC-QTOF-MS analysis has identified 153 compounds in Kochiae Fructus, with momordin Ic (a triterpenoid saponin) designated as the primary quality marker. Additional significant constituents include flavonoids, GABA, C16 sphinganine, pheophorbide a, PABA (4-aminobenzoic acid), ferulic acid, and seed exudate sugars (fructose, glucose, sorbitol). The whole plant also contains alkaloids, essential oils, and organic acids, though precise concentration data for most individual compounds have not been published.
What is the difference between kochia seed extract and whole-plant Bassia scoparia extract?
Kochia seed extract concentrates the water-soluble bioactive compounds found in the seed exudate fraction, which contains low-molecular-weight (<5 kDa) antifungal compounds, while whole-plant extracts include stems, leaves, and flowers for broader anti-photoaging and skin collagen support benefits. Seed extracts may offer more potent antifungal activity due to their concentrated bioactive compounds, whereas whole-plant preparations provide a more complete phytochemical profile. The choice between the two depends on whether the primary therapeutic goal is targeted antifungal action or comprehensive skin health benefits.
How does kochia's antifungal mechanism work compared to conventional topical antifungals?
Kochia's water-soluble seed exudates inhibit fungal growth by targeting hyphal development, reducing fungal viability by four orders of magnitude within 6 hours at a MIC of 3.125 mg/L, primarily through low-molecular-weight bioactive compounds rather than disrupting cell membrane ergosterol synthesis like many synthetic antifungals. This mechanism suggests kochia may complement conventional treatments and potentially offer a lower resistance risk due to its multi-target plant chemistry. The rapid fungistatic activity makes kochia potentially useful as an adjunctive natural option for fungal conditions.
What level of clinical evidence supports kochia's use for skin health and photoaging prevention?
While kochia's antifungal mechanism is supported by in vitro research showing significant reductions in fungal viability, its anti-photoaging and skin collagen-supporting effects in whole-plant Bassia scoparia preparations require more robust human clinical trials to establish efficacy and optimal dosing. Traditional use in Chinese herbal medicine suggests a long safety history, but modern randomized controlled trials comparing kochia to established anti-aging ingredients are limited. Consumers should view kochia as a promising traditional ingredient with mechanistic support for specific applications rather than a clinically proven alternative to established anti-aging compounds.

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