Herbs/Longan Berry

fruit

Longan Berry

Dimocarpus longan

Also known as

龙眼肉リュウガン ryūgan용안 yong-annhãn nhãnลำไย lamyailengkeng lengkeng

Suitable For

Peopleclear focus and a calm, settled mind — plus restful calm
PetsA sweet, nutrient- and polyphenol-rich fruit traditionally used as a gentle nourishing, restorative tonic to support vitality and calm.
Plantsflowering, fruiting, and finish as a dilute bloom-stage tonic

A sweet, warming fruit that nourishes the heart and settles the mind. Valued for its support of restful sleep, memory, and emotional steadiness.

What it nourishes in the body

CardiovascularImmuneEndocrineLiverKidney

The body systems this herb is traditionally understood to support — resolved through our knowledge graph, where the classical record and modern biology are read together. Structure and function, never a claim of treatment.

Where measure and tradition agree

Cardiovascular Nervous

Longan Berry is measured to engage these systems in human binding data — and the recorded tradition named it for them independently. Two evidence systems arriving at the same place, separately, is our highest standard. See the research →

Categoryfruit
Part Usedfruit (aril)
Extraction10:1 extract
Flavorsweet
OriginSouthern China, Southeast Asia
sleepcalmingheart

10:1 Concentrated Extract

$20/ 1 oz / 12 g

Whole-plant. Small-batch. Potent.

How to take it

1/4 tsp (up to 1 tsp) in hot water, tea, coffee, a smoothie, or food, once daily — begin with light doses; our extracts are very potent.

Whole plant, never isolated

Concentrated extracts of the whole botanical — the way the body recognizes it.

Cited to measured biology

Every action we describe traces to the compound and its measured target.

Structure & function

We describe what an herb nourishes — never a claim to treat disease.

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The Botanical

Longan Berry, in depth

Character

Longan (Dimocarpus longan) is the translucent, honey-sweet aril that sheaths the single dark seed of a subtropical evergreen in the soapberry family — the same lineage as lychee, to which it is the quieter, warmer cousin. Native to the foothills of southern China and across Southeast Asia, it has been carried for centuries as 龙眼肉, "dragon-eye flesh," named for the way the dark seed gazes out from the pearl-clear pulp. In the apothecary we work only with that flesh: a 10:1 hot-water extract of the aril alone, never the seed or shell, where the fruit's nourishment is concentrated and its tonic character deepened well beyond that of the fresh fruit. This is a tonic fruit in the truest sense — sweet, gentle, warming, and deeply nourishing rather than stimulating. It belongs to the small, prized class of botanicals the tradition reaches for not to provoke the body but to feed it, to restore what long effort has drawn down. Where bitter herbs move and clear, longan settles and replenishes; it is the warmth at the center of a formula, the note of steadiness.

In the Body

Longan is associated above all with the cardiovascular system — the heart and the blood it governs — and through that center, with the mind it is held to house. Its sweet, warming character makes it a building, replenishing food: the aril is naturally rich in simple sugars that deliver readily available energy, alongside the polysaccharides and the polyphenol class (flavonoids and related plant pigments) that distinguish longan as a nutrient- and antioxidant-dense fruit rather than a mere sweet. These polyphenols are part of the body's broad encounter with dietary antioxidants — compounds that support the body's own systems for managing everyday oxidative load, the natural counter-balance that keeps tissue resilient and supple. In the apothecary's reading, longan nourishes the heart-blood and in doing so supports a calm, settled mind: the experience it offers is clear focus paired with grounded steadiness, the quiet stamina of a system that is fed rather than driven. It tones the cardiovascular center, supports restful calm and emotional evenness, and lends its warmth and sweetness as a base that carries and harmonizes the more active herbs around it. Structure and function throughout — it feeds the body's own intelligence; it does not push against it.

The Tradition

In classical East Asian herbalism longan flesh (龙眼肉, long yan rou) is one of the enduring tonic foods, recorded for generations as a sweet, warm botanical that nourishes the heart and the blood and settles the spirit — reached for in the building, restorative formulas favored by those worn down by long labor, broken rest, or overthinking. It travels as a cherished tonic food across southern China and Southeast Asia, eaten fresh in season and dried for the year-round apothecary, and it has long appeared in the steeped tonic soups and the famous heart-and-spleen restorative blends of the tradition. We carry it in that lineage: the dragon-eye fruit as a nourishing tonic of warmth, sweetness, and quiet steadiness, prepared as the dilute flesh extract our forebears would recognize.

The fruit

Longan Berry,
as it actually grows.

Longan (Dimocarpus longan) is a tropical Sapindaceae fruit native to South and Southeast Asia, prized for its translucent, honey-sweet aril surrounding a single dark seed — the "dragon's eye" of Chinese culinary tradition. Dried longan flesh has been steeped in teas and broths across Cantonese and Vietnamese kitchens for centuries, valued as a warming, nourishing ingredient in everyday cooking.

How to Use

Across the Three Kingdoms

One herb, prepared once, serving people, pets, and plants from a single botanical practice — each with its own measure and care.

People

Benefit

clear focus and a calm, settled mind — plus restful calm

How to Use

1/4 tsp (up to 1 tsp) in hot water, tea, coffee, a smoothie, or food, once daily — begin with light doses; our extracts are very potent.

Pets

Dogs & companion animals

Benefit

A sweet, nutrient- and polyphenol-rich fruit traditionally used as a gentle nourishing, restorative tonic to support vitality and calm.

How to Use

Offer a small amount of the dilute extract or powder stirred into food, scaled to body weight (a pinch for cats/small birds and small dogs; a teaspoon-scale amount for large dogs/horses). Start low and use a few times a week, not a daily large dose.

By Animal

Cats

Flesh extract non-toxic to cats (not ASPCA-listed); no phenols/essential oils. Hazard is seed/shell only, absent here.

Dogs

Flesh non-toxic to dogs (not ASPCA-listed); vet sources confirm flesh is fine. Risk is seed saponins + shell choking, absent in extract.

Horses

Not ASPCA-listed; no iodine/glycyrrhizin/aromatic concern. Dilute flesh extract well-tolerated; only watch sugar in metabolic horses.

Birds

Longan flesh is a recognized safe sweet treat for parrots/birds in moderation; no aromatic/essential-oil risk. Only the seed is excluded.

⚑ Sport horses: none — longan flesh contains no FEI/USEF-controlled substance (no caffeine, theobromine, glycyrrhizin, or aromatic alkaloid). Standard NOPS contamination hygiene still applies to any supplement fed to sport horses.

Safety

GGG's product is the dilute hot-water flesh extract/powder only — it contains none of the longan SEED or SHELL, which is where the real hazards live (seed saponins causing vomiting/diarrhea/lethargy, and shell/pit choking or GI obstruction). Never give whole fruit, seeds, or shells to any animal. The main inherent property of the flesh is high natural sugar, so use sparingly or avoid in diabetic, overweight, or insulin-dysregulated/EMS-IR animals; for horses with metabolic syndrome or laminitis history, keep the sugar load trivial. As a conditional precaution (these do NOT change the per-species rating for a healthy animal): longan polyphenols may add mild additive effects with antidiabetic/insulin therapy and with anticoagulant/antiplatelet drugs, so pause before surgery and use caution alongside blood thinners; introduce cautiously in pregnancy/lactation and in animals with significant kidney or liver disease, and start low to confirm individual GI tolerance. Discontinue and consult a veterinarian if GI upset occurs.

Source: ASPCA Toxic and Non-Toxic Plants database (Dimocarpus longan not listed as toxic to cats/dogs/horses); Dogster vet-verified and Hepper vet-approved longan guides (flesh non-toxic; hazards are seed saponins + shell choking); Parrot Website (longan flesh safe for parrots, remove seed); FEI Equine Prohibited Substances List / Clean Sport (no longan entry).

Plants

Garden, soil & foliage

Benefit

flowering, fruiting, and finish as a dilute bloom-stage tonic

How to Use

Dilute 1/8 to 1/4 teaspoon per gallon of water. Foliar feed at the lighter rate, or soil drench at the fuller rate, about once a month or every other feeding. Best worked in from pre-flower through bloom, as the plant sets and fills flower and fruit.

Best for

Flower & bloom

Safety

A dilute extract in the GGG Plants line; always dilute and start light.

Source: GGG Plants line formulation

Structure-and-function guidance for nutrition and vitality. Not intended to diagnose, treat, cure, or prevent any disease. Introduce one botanical at a time and notice how the body responds. Some plants interact with medication; if you are pregnant, nursing, or on a prescription, know the interaction before you begin.

What's inside

Longan Berry,
down to the molecule.

The signature compound of Longan Berry, rendered from its real structure in bronze and glass — the precise thing the plant carries, given the dignity it has earned.

The evidence chain

From the plant to the molecule to the body — traced.

Not a claim — a chain. Every link below traces to a primary record. This is what Longan Berry is, measured.

1

The plant

Longan Berry

2

carries the compound

Gallic acid

PubChem
3

measured to engage

Alpha-(1,3)-fucosyltransferase 7 · IC50 60nM

BindingDB

which governs

An enzyme that adds sugar tags involved in immune-cell trafficking.

4

serving the system

Cardiovascular · Immune

5

and the tradition independently agrees — measured binding

The recorded herbal lineage names Longan Berry a cardiovascular and nervous herb. Independently, its compounds are measured to bind proteins of those systems. Tradition and molecule, arrived at separately, converge— the strongest evidence we hold.

Structure and function only. The chain describes the plant’s characterized chemistry and traditional use — not a claim to treat, cure, or prevent any disease.

How it works

How Longan Berry works in the body

A herb is never one thing — it is a community of compounds, each meeting the body in its own way. These are the active molecules in Longan Berry and the proteins each one is measured to engage: the precise points where the plant meets your biology. So you see not just that it works, but how.

Gallic acid molecule
Gallic acid · real structure, PubChem CID 370

Gallic acid

PubChem ↗

Measured to act on

3-hydroxyacyl-CoA dehydrogenase type-2

A mitochondrial enzyme involved in breaking down fatty acids and balancing steroid hormones.

structure resolved ↗

Alpha-(1,3)-fucosyltransferase 7

An enzyme that adds sugar tags to cells, helping immune cells find their way through tissue.

Concentrated in lymphoid tissue, bone marrowstructure resolved ↗

Lysine-specific demethylase 4E

An enzyme that edits chemical tags on DNA-packaging proteins to regulate genes.

structure resolved ↗

Tyrosyl-DNA phosphodiesterase 1

A repair enzyme that clears certain damage points so DNA can be mended.

structure resolved ↗

Measured in the lab

Real measurements from binding studies. A tighter fit means the compound meets its target more readily — the figure in grey is the actual measured value.

Binds very tightly to Amyloid-beta precursor protein · EC50 1.7 nM

Binds very tightly to Alpha-(1,3)-fucosyltransferase 7 · IC50 60 nM

Binds tightly to Polypeptide N-acetylgalactosaminyltransferase 2 · Kd 924 nM

Binds to Polyphenol oxidase 4 · IC50 1.06 µM

Binds to Carbonic anhydrase 2 · Ki 2.25 µM

Binds to Carbonic anhydrase 1 · Ki 3.2 µM

— and 15 more measured targets, each traced to its source.

Ellagic acid

PubChem ↗

Measured to act on

DNA repair nuclease/redox regulator APEX1

A protein that repairs damaged DNA and helps balance the cell's oxidative state.

structure resolved ↗

Casein kinase II subunit alpha

A constantly active signaling enzyme involved in cell growth and stress responses.

structure resolved ↗

Pyruvate kinase PKLR

An enzyme in the liver and red blood cells that helps turn sugar into usable energy.

Concentrated in liver, kidney, bone marrowstructure resolved ↗

Tyrosyl-DNA phosphodiesterase 1

A repair enzyme that clears certain damage points so DNA can be mended.

structure resolved ↗

G-protein coupled receptor 35

A cell-surface receptor active in the gut and immune tissue that helps relay signals inward.

Concentrated in intestinestructure resolved ↗

Measured in the lab

Real measurements from binding studies. A tighter fit means the compound meets its target more readily — the figure in grey is the actual measured value.

Binds very tightly to Amyloid-beta precursor protein · EC50 1.7 nM

Binds very tightly to Casein kinase II subunit alpha · Ki 20 nM

Binds very tightly to Pyruvate kinase PKLR · IC50 32 nM

Binds very tightly to 5'-nucleotidase · IC50 40 nM

Binds very tightly to DNA polymerase eta · IC50 62 nM

Binds very tightly to DNA polymerase iota · IC50 62 nM

— and 58 more measured targets, each traced to its source.

Quercetin

PubChem ↗

Measured to act on

Aromatase

The enzyme that converts androgens into estrogen, the body main estrogen source.

Concentrated in placentastructure resolved ↗

Aldo-keto reductase family 1 member B1

An enzyme that converts glucose into sorbitol, part of how cells handle sugar.

Concentrated in adrenal glandstructure resolved ↗

Cytochrome P450 1B1

A liver-type enzyme that processes hormones and environmental compounds.

structure resolved ↗

Serine/threonine-protein kinase PIM-1

A signaling enzyme involved in cell growth and survival.

Concentrated in bone marrowstructure resolved ↗

3-hydroxyacyl-CoA dehydrogenase type-2

A mitochondrial enzyme involved in breaking down fatty acids and balancing steroid hormones.

structure resolved ↗

Measured in the lab

Real measurements from binding studies. A tighter fit means the compound meets its target more readily — the figure in grey is the actual measured value.

Binds very tightly to Amine oxidase [flavin-containing] A · IC50 10 nM

Binds very tightly to Aromatase · IC50 12 nM

Binds very tightly to Aldo-keto reductase family 1 member B1 · IC50 14.8 nM

Binds very tightly to Enoyl-acyl-carrier protein reductase · Ki 22 nM

Binds very tightly to Cytochrome P450 1B1 · Ki 23 nM

Binds very tightly to Serine/threonine-protein kinase pim-1 · Kd 25 nM

— and 108 more measured targets, each traced to its source.

Epicatechin

PubChem ↗

Measured to act on

Nuclear factor NF-kappa-B p105 subunit

A master switch that turns on many genes of the immune and inflammatory response.

structure resolved ↗

Alkaline phosphatase, tissue-nonspecific isozyme

An enzyme central to building and mineralizing healthy bone and teeth.

Concentrated in adrenal glandstructure resolved ↗

Measured in the lab

Real measurements from binding studies. A tighter fit means the compound meets its target more readily — the figure in grey is the actual measured value.

Binds very tightly to Nitric oxide synthase, endothelial · EC50 2 nM

Binds tightly to Arginase · Ki 200 nM

Binds tightly to Alkaline phosphatase, tissue-nonspecific isozyme · IC50 407 nM

Binds tightly to Alpha-synuclein · IC50 800 nM

Binds to Carbonic anhydrase 2 · Ki 1.24 µM

Binds to Pyruvate kinase PKM · IC50 1.33 µM

— and 9 more measured targets, each traced to its source.

Adenosine

PubChem ↗

Measured to act on

Adenosine receptor

A receptor for adenosine, a molecule the body uses to dial cellular activity up or down.

Concentrated in brain, testisstructure resolved ↗

Measured in the lab

Real measurements from binding studies. A tighter fit means the compound meets its target more readily — the figure in grey is the actual measured value.

Binds very tightly to Adenosine receptor A3 · IC50 1.1 nM

Binds very tightly to Adenosine receptor A1 · IC50 2.3 nM

Binds very tightly to Adenosine receptor A2a/A2b · Ki 5 nM

Binds very tightly to Adenosine receptor A2a · Kd 17 nM

Binds very tightly to Adenosine receptor A2b · EC50 52 nM

Binds to Sodium/nucleoside cotransporter 1 · Ki 1.8 µM

— and 4 more measured targets, each traced to its source.

Cited science · not claims

Everything we publish about these plants traces to a primary source — the compounds to PubChem, ChEMBL, and BindingDB, the traditional uses to named, dated herbals. We describe what a plant is and what it is understood to nourish — the body’s own systems, structure and function only. We do not claim it treats, cures, or prevents any disease, and nothing here is a substitute for professional care. See our method & sources →

These statements have not been evaluated by the Food and Drug Administration. Not intended to diagnose, treat, cure, or prevent any disease.

Works alongside

Other herbs that share Longan Berry's terrain

Different plants reaching the same systems of the body — the convergence our genome engine maps. These nourish the terrain Longan Berry supports:

Longan Berry$20