Herb Flower bud (花蕾 huā lěi)

Mi Meng Hua

Pale Butterflybush Flower · 密蒙花

Buddleja officinalis Maxim. · Flos Buddlejae

Also known as: Meng Hua (蒙花)

Mi Meng Hua (Pale Butterflybush Flower) plant

Images shown are for educational purposes only

Mi Meng Hua is a specialty herb for eye health in Chinese medicine. It clears heat from the Liver (the organ system most closely linked to the eyes in TCM) and is used for red, swollen, painful eyes, light sensitivity, excessive tearing, blurry vision, and cloudy corneal obstructions. It can address both excess heat conditions and deficiency-related eye problems, making it one of the most versatile eye herbs in the TCM repertoire.

Category Heat-clearing herbs Herbs that clear Heat and drain Fire (清热泻火药)
Therapeutic focus Eye Health and Vision Liver Health Inflammation Support

TCM Properties

Temperature

Cool

Taste

Sweet (甘 gān)

Channels entered

Liver

Parts used

Flower bud (花蕾 huā lěi)

Available in our store
View in Store
From $24.00

Educational content • Consult qualified TCM practitioners for diagnosis and treatment

What This Herb Does

Every herb has a specific set of actions — here's what Mi Meng Hua does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Mi Meng Hua is primarily used to support these areas of health:

Eye Health and Vision Liver Health Inflammation Support

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Mi Meng Hua performs to restore balance in the body:

Clears Liver Heat Brightens the Eyes Brightens the Eyes and Removes Visual Obstructions Tonifies the Liver Disperses Wind Cools the Blood

How these actions work

'Clears Liver Heat' means this herb reduces excess heat that has accumulated in the Liver system. In TCM, the Liver 'opens into the eyes,' so when the Liver carries excess heat, it rises upward and manifests as red, swollen, painful eyes, irritability, or headaches. Mi Meng Hua's cool, sweet nature directly counteracts this heat in the Liver channel.

'Brightens the eyes and removes nebula (退翳)' is the herb's signature action. 'Nebula' refers to cloudy obstructions or films over the eye, such as corneal opacities or pterygium. Mi Meng Hua is considered a specialist eye herb because it can treat both excess-type eye problems (red, swollen, painful eyes from Liver Fire) and deficiency-type eye problems (blurry vision, dim eyesight, tired eyes from Liver Blood or Yin deficiency). As the classical text Ben Cao Jing Shu explains, its sweet flavour nourishes the Blood while its cool nature clears heat, so that when Liver Blood is sufficient, all eye conditions resolve.

'Nourishes the Liver' refers to this herb's ability to gently moisturize and support the Liver rather than simply draining it. Wang Haogu described it as 'moistening Liver dryness.' This makes it suitable for chronic eye conditions where the Liver is depleted rather than simply overheated, such as dim vision from prolonged illness or age-related visual decline.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Mi Meng Hua is used to help correct these specific patterns.

Why Mi Meng Hua addresses this pattern

When Liver Fire blazes upward, it attacks the eyes (the Liver's sensory opening), causing acute redness, swelling, pain, and excessive tearing. Mi Meng Hua enters the Liver channel with its cool, sweet nature to directly clear this excess heat. Its cooling property extinguishes Liver Fire while its sweet flavour prevents excessive drying of Liver Yin, making it effective for acute inflammatory eye conditions driven by Liver Fire.

A practitioner would look for one or more of these signs

Red Eyes

Red, swollen, painful eyes

Eye Pain

Eye pain with burning sensation

Sensitivity To Light

Photophobia (sensitivity to light)

Excessive Sweating

Excessive tearing with sticky discharge

Commonly Used For

These are conditions where Mi Meng Hua is frequently used — but only when they arise from the specific patterns it addresses, not in all cases

Arises from: Liver Fire Blazing Wind-Heat

TCM Interpretation

TCM understands conjunctivitis primarily through the Liver system, since the Liver 'opens into the eyes.' Acute conjunctivitis with pronounced redness, pain, and discharge is usually attributed to Liver Fire blazing upward or external Wind-Heat invading the eye. When the condition involves thick yellow discharge and severe redness, this points to intense heat. When itching predominates and tearing worsens in wind, the Wind component is stronger. Chronic or recurring conjunctivitis may involve underlying Liver Blood or Yin deficiency that leaves the eyes vulnerable to attack.

Why Mi Meng Hua Helps

Mi Meng Hua directly enters the Liver channel to clear the heat that drives conjunctival inflammation. Its cool nature reduces the 'fire' causing redness and swelling, while its sweet flavour gently nourishes the Liver to prevent the condition from recurring. Modern research has identified flavonoid compounds in Mi Meng Hua (such as linarin and acacetin) that have demonstrated anti-inflammatory effects, including reducing vascular permeability, which aligns with its traditional use for red, inflamed eyes. Its ability to address both excess heat and underlying deficiency makes it especially useful for conjunctivitis that recurs or becomes chronic.

Also commonly used for

Corneal Opacity

Corneal nebula or pterygium

Blurry Vision

Blurry vision from various causes

Sensitivity To Light

Photophobia and light sensitivity

Red Eyes

Red, painful, swollen eyes

Excessive Sweating

Excessive or involuntary tearing

Keratitis

Corneal inflammation or ulceration

Diabetic Neuropathy

Diabetic retinopathy with visual decline

Herb Properties

Every herb has an inherent temperature, taste, and affinity for specific channels — these properties determine how it interacts with the body

Temperature

Cool

Taste

Sweet (甘 gān)

Channels Entered

Liver

Parts Used

Flower bud (花蕾 huā lěi)

Dosage & Preparation

These are general dosage guidelines for Mi Meng Hua — always follow your practitioner's recommendation, as dosages vary based on the formula and your individual condition

Standard dosage

3-9g

Maximum dosage

Up to 15g in acute eye conditions, under practitioner supervision. Generally kept within 3-9g for standard use.

Dosage notes

At the lower end of the range (3-6g), Mi Meng Hua is suitable for mild eye discomfort, chronic blurred vision, or as a supportive herb in formulas for Liver Blood deficiency. At higher doses (6-9g or occasionally up to 15g), it is used for acute eye redness, swelling, and pain from Liver Fire or Wind-Heat. Classical sources note that Mi Meng Hua is mild in potency ('flavour thin relative to Qi') and is best combined with Blood-nourishing herbs (such as Gou Qi Zi, Tu Si Zi) for chronic deficiency-type eye conditions, or with Heat-clearing herbs (such as Ju Hua, Qing Xiang Zi) for excess-type eye conditions.

Preparation

No special decoction handling required. Mi Meng Hua is decocted normally with other herbs. The classical processing method (wine-soaking, honey-mixing, and repeated steaming as described in the Lei Gong Pao Zhi Lun) was used to enhance its Liver-nourishing and eye-brightening properties, but this is a pre-processing step, not a decoction instruction. The processed form (蜜蒙花) is sometimes preferred clinically.

Processing Methods

In TCM, the same herb can be prepared in different ways to change its effects — here's how processing alters what Mi Meng Hua does

Processing method

According to the Lei Gong Pao Zhi Lun, the herb is first cleaned, then soaked in wine overnight. After draining and drying, it is mixed with honey to moisten it, then steamed from early morning to evening (approximately 12 hours). After sun-drying, this wine-soaking, honey-moistening, and steaming cycle is repeated three times. The classical ratio is 1 liang of herb to 8 liang of wine, with half a liang of honey for steaming.

How it changes properties

Wine processing enhances the herb's ability to enter the Liver channel and promotes movement of blood. The honey moistening adds a tonifying, nourishing quality that strengthens the herb's Liver-nourishing action. The repeated steaming with wine and honey shifts the herb slightly warmer and more nourishing compared to the raw form, reducing its cold-clearing emphasis and enhancing its Blood-nourishing, Liver-moistening properties.

When to use this form

Preferred when the eye condition is primarily driven by Liver Blood deficiency rather than excess Liver Fire. Better suited for chronic blurry vision, dim eyesight, and dry eyes where nourishment is more important than heat-clearing. When the patient has some Spleen-Stomach coldness, the wine-and-honey processed form is gentler on digestion.

Common Herb Pairs

These ingredients are traditionally combined with Mi Meng Hua for enhanced therapeutic effect

Gu Jing Cao
Gu Jing Cao 1:1

Gu Jing Cao (Pipewort) excels at dispersing Wind-Heat from the head and eyes, targeting the external pathogenic factor. Mi Meng Hua nourishes Liver Blood and clears Liver Heat, targeting the internal root. Together they treat both the branch (Wind-Heat obstruction) and the root (Liver Blood deficiency), creating a comprehensive approach to clearing nebula, restoring clear vision, and stopping excessive tearing.

When to use: Eye conditions involving both external Wind-Heat and underlying Liver Blood deficiency, such as corneal opacity with tearing in wind, blurry vision with recurrent redness, or diabetic retinopathy with visual decline.

Shi Jue Ming
Shi Jue Ming 1:1

Shi Jue Ming (Abalone Shell) is salty and cold, powerfully clearing Liver Heat and calming Liver Yang while also brightening the eyes. Mi Meng Hua adds gentle Blood-nourishing action alongside its heat-clearing effect. Together they strongly clear Liver Heat and remove visual obstructions, with Shi Jue Ming providing heavy, descending force and Mi Meng Hua providing light, nourishing support.

When to use: Eye redness and pain with visual obstruction or nebula, light sensitivity with headache, particularly when Liver Fire or Liver Yang rising is prominent.

Qing Xiang Zi
Qing Xiang Zi 1:1

Qing Xiang Zi (Celosia seed) is bitter and cold, powerfully draining Liver Fire and clearing Heat to remove nebula. Mi Meng Hua complements it with a gentler, nourishing approach. Together they strongly clear Liver Heat and restore clear vision, with Qing Xiang Zi providing vigorous fire-draining action and Mi Meng Hua preventing excessive cooling from damaging Liver Blood.

When to use: Liver Fire eye conditions with significant redness, pain, and corneal opacity, or Blood deficiency with Liver Heat causing dimness and visual obstruction.

Gou Qi Zi
Gou Qi Zi 1:1 to 1:2 (Mi Meng Hua : Gou Qi Zi)

Gou Qi Zi (Goji Berry) is sweet and neutral, strongly nourishing Liver and Kidney Yin and Blood while brightening the eyes. Combined with Mi Meng Hua's gentle heat-clearing and Liver-nourishing action, this pair addresses deficiency-type eye conditions from two angles: Gou Qi Zi deeply replenishes the Liver and Kidney foundation, while Mi Meng Hua clears residual heat and directly targets eye obstructions.

When to use: Chronic eye conditions from Liver Blood or Liver Yin deficiency with blurry vision, dry eyes, dim eyesight, and mild deficiency-heat signs.

Comparable Ingredients

These ingredients have overlapping uses — here's how to tell them apart

Gu Jing Cao
Mi Meng Hua vs Gu Jing Cao

Both herbs brighten the eyes and remove nebula, but they differ in mechanism. Gu Jing Cao (Pipewort) is better at dispersing external Wind-Heat from the head and eyes, making it stronger for acute conditions where Wind is the dominant factor (tearing in wind, acute conjunctival redness). Mi Meng Hua is better at nourishing the Liver while clearing heat, making it more suitable when there is underlying Liver Blood deficiency or when both excess and deficiency are present simultaneously.

Qing Xiang Zi
Mi Meng Hua vs Qing Xiang Zi

Both clear Liver Heat and benefit the eyes, but Qing Xiang Zi (Celosia seed) is bitter and cold, making it much more forceful at draining Liver Fire. It is better for acute, severe Liver Fire eye conditions with intense redness and pain. However, its strong bitter-cold nature can damage the eyes over time if the condition is deficiency-based. Mi Meng Hua is gentler, both clearing heat and nourishing the Liver, making it safer and more appropriate for chronic conditions, deficiency patterns, or cases where the practitioner wants to clear without depleting.

Ju Hua
Mi Meng Hua vs Ju Hua

Chrysanthemum (Ju Hua) is one of the most widely used eye herbs, dispersing Wind-Heat, calming Liver Yang, and clearing Liver Fire. It has broader applications beyond the eyes (headaches, dizziness, high blood pressure). Mi Meng Hua is more specifically targeted at eye conditions, particularly corneal opacity and visual obstruction (nebula). When the condition is purely about the eyes and involves nebula, Mi Meng Hua is the more specialized choice; when there are accompanying headaches, dizziness, or systemic Wind-Heat, Chrysanthemum may be more appropriate.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Mi Meng Hua

The most common adulterant is Jie Xiang Hua (结香花), the dried flower buds of Edgeworthia chrysantha Lindl. (Thymelaeaceae family), sometimes sold as 'Xin Meng Hua' (新蒙花) or 'Meng Hua Zhu' (蒙花珠). Key differences for identification: Jie Xiang Hua has flower stalks that are distinctly hook-shaped (curved), its flowers form half-spherical heads rather than conical panicles, the hairs are longer and silky with a glossy sheen (rather than short and tomentose), the individual flowers have 8 stamens in two whorls (versus 4 stamens in one whorl for true Mi Meng Hua), the texture is brittle rather than soft, the cross-section lacks the characteristic dark centre, and the taste is bland rather than sweet-bitter-pungent. These two herbs come from entirely different plant families and have different pharmacological profiles.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herb.

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Mi Meng Hua

Non-toxic

Mi Meng Hua is classified as non-toxic in the Chinese Pharmacopoeia and classical sources. The Kai Bao Ben Cao explicitly states it is 'wu du' (无毒, non-toxic). No significant toxic components have been identified. The main bioactive compounds are flavonoids (linarin, acacetin, luteolin, apigenin) and phenylethanoid glycosides (acteoside, echinacoside), which have well-established safety profiles at normal dosages. No special toxicity precautions are required at standard therapeutic doses.

Contraindications

Situations where Mi Meng Hua should not be used or requires extra caution

Caution

Eye diseases caused by Yang deficiency with internal Cold (阳虚内寒). Mi Meng Hua is cool in nature and clears Heat, so it is unsuitable when the underlying pattern is Cold rather than Heat.

Caution

Spleen and Stomach deficiency with Cold (脾胃虚寒). The cool nature of this herb may further weaken digestive function in people who already have weak, cold digestion. Prolonged use without warming herbs to balance it may injure Spleen Yang.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

No well-documented evidence of specific reproductive toxicity. However, as a cool-natured herb, it could theoretically contribute to a Cold environment in the uterus if used in large doses or over prolonged periods. Multiple commercial sources advise against use during pregnancy as a general precaution. Use only under qualified practitioner guidance during pregnancy.

Breastfeeding

No specific studies on transfer of Mi Meng Hua constituents into breast milk. The herb is generally considered mild and non-toxic. However, its cool nature could theoretically affect a nursing infant's digestion if used in high doses over prolonged periods. Use with caution during breastfeeding, preferring short courses at standard doses under practitioner guidance.

Children

Mi Meng Hua has traditional use in children's eye conditions, including measle-related eye complications and malnutrition-related eye disease (疳气攻眼), as noted in the Kai Bao Ben Cao. For paediatric use, dosage should be reduced proportionally based on age and body weight, typically one-third to one-half of the adult dose. Because of its cool nature, it should be used cautiously and for shorter duration in children with weak digestion.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Mi Meng Hua

No well-documented drug interactions have been established for Mi Meng Hua in published pharmacological literature. The herb's flavonoid constituents (luteolin, apigenin, acacetin) are known to have mild effects on certain cytochrome P450 enzymes in laboratory settings, but the clinical significance at standard herbal doses is unclear.

As a general precaution, patients taking medications for eye conditions (such as glaucoma drops) or anticoagulant medications should inform their healthcare provider before using this herb, as flavonoids can have mild effects on platelet aggregation and vascular permeability.

Dietary Advice

Foods and dietary considerations when taking Mi Meng Hua

When taking Mi Meng Hua for Heat-type eye conditions, it is helpful to favour foods that support the Liver and eyes, such as goji berries, chrysanthemum tea, carrots, and leafy greens. Avoid excessively spicy, fried, or greasy foods, which can generate more Heat. Because the herb is cool in nature, people with weak digestion should avoid combining it with large amounts of cold, raw foods to prevent further taxing the Spleen and Stomach.

Botanical Description

Physical characteristics and morphology of the Mi Meng Hua source plant

Buddleja officinalis Maxim. is a semi-evergreen to deciduous shrub growing 1 to 4 metres tall. The branchlets are densely covered with greyish-white stellate (star-shaped) hairs. The leaves are narrow-elliptic to lance-shaped, 5 to 15 cm long, with pointed tips and wedge-shaped bases, bearing sparse serrations along the margins. The upper leaf surface is green while the underside is covered with fine whitish tomentose hairs. The flowers are small, fragrant, and densely clustered into conical paniculate cymes. Each individual flower has a bell-shaped calyx and a tubular corolla that is white to pale purple on the outside and purple-brown inside, with 4 lobes. Flowering occurs from late winter to early spring (December to March). The fruit is an elliptical capsule covered in stellate hairs, with winged seeds, ripening from May to August.

The plant grows naturally on sunny hillsides, riverbanks, roadsides, and edges of thickets across central and southwestern China. It tolerates a range of soil types and can withstand drought, preferring well-drained soil and full sun.

Sourcing & Harvesting

Where Mi Meng Hua is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Spring (February to March), before the flower buds open, when the clustered buds are still tightly closed.

Primary growing regions

Principal production regions (道地药材): Hubei, Sichuan, Shaanxi, and Henan provinces in central China are the main producing areas. Additional production comes from Yunnan, Guangxi, Hunan, Guizhou, Gansu, Fujian, Guangdong, and Anhui provinces. The plant grows wild on sunny hillsides, riverbanks, roadsides, and edges of thickets and forests across central and southwestern China. Hubei and Sichuan are traditionally regarded as producing the highest quality herb.

Quality indicators

Good quality Mi Meng Hua consists of tightly clustered flower buds in irregular conical panicles, 1.5 to 3 cm long. The surface should be greyish-yellow to greyish-brown, densely covered with fine, soft tomentose hairs (fuzzy texture). Individual buds are short, club-shaped, thicker at the top, 3 to 6 mm long. The texture should be soft and easily broken; the cross-section shows a dark centre. The fragrance should be mild and pleasant, with a taste that is slightly sweet, then faintly bitter and pungent. The best grade herb has dense, closely arranged buds, abundant fine fuzz, a soft flexible texture, and is free of stems and debris.

Classical Texts

Key passages from the classical Chinese medical texts that describe Mi Meng Hua and its therapeutic uses

Kai Bao Ben Cao (《开宝本草》, Song Dynasty)

Chinese: 「味甘，平微寒，无毒。主青盲肤翳，赤涩多眵泪，消目中赤脉，小儿麸豆及疳气攻眼。」

Translation: Sweet in flavour, mild to slightly cold, non-toxic. Treats blue blindness and superficial opacities of the eye, redness with gritty discharge and excessive tearing, clears red vessels in the eye, and childhood measle-related and malnutrition-related eye conditions.

Ben Cao Jing Shu (《本草经疏》, Ming Dynasty, Miao Xiyong)

Chinese: 「密蒙花，观本经所主，无非肝虚有热所致，盖肝开窍于目，目得血而能视，肝血虚则为青盲肤翳，肝热甚则为赤肿、眵泪赤脉……此药甘以补血，寒以除热，肝血足而诸证无不愈矣。」

Translation: Looking at what the classical text indicates, all these conditions arise from Liver deficiency with Heat. The Liver opens to the eyes, and the eyes depend on Blood to see. When Liver Blood is deficient, there is blue blindness and superficial opacities; when Liver Heat is severe, there is redness, discharge, and red vessels. This herb, being sweet, supplements Blood; being cold, it clears Heat. When Liver Blood is sufficient, all these conditions are naturally resolved.

Ben Cao Qiu Zhen (《本草求真》, Qing Dynasty)

Chinese: 「密蒙花，味薄于气，佐以养血之药，更有力焉。」

Translation: Mi Meng Hua's flavour potency is mild relative to its Qi. When combined with Blood-nourishing herbs, its effectiveness is greatly enhanced.

Liu Wansu (Jin-Yuan period physician)

Chinese: 「治羞明怕日。」

Translation: Treats photophobia (fear of light).

Wang Haogu (Jin-Yuan period physician)

Chinese: 「润肝燥。」

Translation: Moistens Liver dryness.

Historical Context

The history and evolution of Mi Meng Hua's use in Chinese medicine over the centuries

Mi Meng Hua was first recorded in the Lei Gong Pao Zhi Lun (《雷公炮炙论》), a work on herbal processing from the Liu Song period (5th century), where it appeared under the name Xiao Jin Hua (小锦花, 'small brocade flower'). Its first major monograph entry appeared in the Kai Bao Ben Cao (《开宝本草》, 973 CE) during the Song Dynasty, where it was called Mi Meng Hua. Li Shizhen explained the name in the Ben Cao Gang Mu: the flowers grow in dense, lush clusters resembling brocade, hence 'mi' (密, dense) and 'meng' (蒙, fuzzy/profuse). Su Song of the Song Dynasty noted the plant grew in Yizhou (modern Sichuan) and surrounding Shu regions.

Throughout its history, Mi Meng Hua has been recognized almost exclusively as an ophthalmology specialist herb. The classical processing method described in the Lei Gong Pao Zhi Lun involved soaking the flowers in wine overnight, draining, mixing with honey, then steaming repeatedly (three cycles from morning to evening, then sun-drying each time). In the Dai ethnic minority areas of Yunnan, Mi Meng Hua has a charming folk history: it has long been used as a natural yellow dye for glutinous rice during the Qingming festival. Legend has it that a woman accidentally discovered that flowers blown into her rice-soaking pot produced fragrant golden rice, and the tradition spread throughout Dai communities.

Modern Research

5 published studies investigating the pharmacological effects or clinical outcomes of Mi Meng Hua

1

Anti-inflammatory and antioxidant activities of chemical constituents from B. officinalis flower buds (phytochemical isolation study, 2021)

Huang FB, Liang N, Hussain N, Zhou XD, Ismail M, Xie QL, et al. Natural Product Research, 2022, 36(12), 3031-3042.

Researchers isolated 52 compounds from Mi Meng Hua flower buds, including two new glycosides. Several compounds showed strong suppression of TNF-alpha in activated immune cells, with potency comparable to the anti-inflammatory drug indomethacin. Multiple compounds also showed excellent antioxidant activity equal to or stronger than vitamin C.

Link
2

Hepatoprotective effects via AMPK activation (in vitro and in vivo study, 2017)

Jung JY, Lee CW, Park SM, et al. Evidence-Based Complementary and Alternative Medicine, 2017, Article 9253462.

An aqueous extract of B. officinalis flowers protected liver cells from oxidative damage in cell culture and reduced liver injury in mice exposed to carbon tetrachloride. The protective mechanism involved activation of the AMPK pathway, inhibiting mitochondrial dysfunction and hydrogen peroxide production. The main active compounds identified were acacetin, apigenin, and luteolin.

PubMed
3

Anti-neuroinflammatory effects in microglial cells (in vitro study, 2013)

Oh WJ, Jung U, Eom HS, Shin HJ, Park HR. Molecules, 2013, 18(8), 9195-9206.

A water extract of B. officinalis flower buds inhibited the production of inflammatory mediators (nitric oxide, IL-6, IL-1beta) in brain immune cells stimulated by bacterial toxin. The mechanism involved blocking the NF-kB and ERK1/2 signaling pathways, suggesting potential benefits for neuroinflammatory conditions.

Link
4

Neuroprotective effect in stroke model (preclinical animal study, 2006)

Lee DH, Ha N, Bu YM, Choi HI, Park YG, Kim YB, Kim MY, Kim H. Biological and Pharmaceutical Bulletin, 2006, 29(8), 1608-1612.

In a rat model of stroke (middle cerebral artery occlusion), oral administration of B. officinalis extract reduced brain infarct volume by up to 68%. The extract inhibited inflammatory enzyme expression (COX-2, iNOS) in damaged brain tissue and suppressed microglial activation, suggesting anti-inflammatory mechanisms contribute to neuroprotection.

PubMed
5

Flavonoid extraction and protection of lens epithelial cells (in vitro study, 2022)

Wei S, Liu X, Hasan KMF, Peng Y, Xie J, Chen S, Zeng Q, Luo P. Molecules, 2022, 27(24), 8985.

Flavonoids extracted from B. officinalis (containing luteolin, apigenin, and acacetin) protected rabbit lens epithelial cells from hydrogen peroxide-induced oxidative damage. The protective effect involved promoting healthy autophagy and boosting antioxidant enzyme levels, suggesting relevance to cataract prevention research.

Link

Research on individual TCM herbs is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.