Guggul Extract 2.5–7.5% Guggulsterones

Guggul extract is prepared from the oleo-gum resin of Commiphora wightii, the mukul myrrh tree of the dry scrub of western India, and the bark, leaf and wood are not part of the starting material. Ethanol extraction takes up the steroidal fraction of the resin, and the concentrate is dried to a light brown powder.

Guggulsterones are measured by HPLC, with a primary grade of 7.5% and a lower grade of 2.5%. The powder is 80 mesh and insoluble in water. The 7.5% grade fits capsules and tablets that need a small fill, while the 2.5% grade fits blends and oil-based fills in which the resin matrix is wanted.

SKU: BOT-STX-0164 Category: Standardized Extracts Tags: Dry Blends & Premixes, Ethanol Extracted, Guggul, Resin & Gum, Softgels & Oil Fills, Standardized Extracts

Guggulsterone Standardization & Grades

Guggulsterones are pregnadienedione steroids, and the resin holds two geometric isomers, E-guggulsterone and Z-guggulsterone, which are reported together as the guggulsterone content. The resin also holds guggulsterols, diterpenes and a large share of gum and lignan material. The botanical entity is Commiphora wightii (Arn.) Bhandari, and the extract is standardized to the sum of the two guggulsterones because they are the defining, measurable steroids of the resin, and the compounds on which guggul ingredients are compared.

Grade	Assay & Method	Where It Fits
2.5% Guggulsterones	HPLC	Blends and oil-based fills, higher inclusion
7.5% Guggulsterones	HPLC	Capsules and tablets, small fill weight

Grade choice follows dose and fill weight. The 7.5% grade carries three times the guggulsterone content of the 2.5% grade per gram, so a capsule reaches its target with a third of the powder, while the 2.5% grade is bulkier, stickier and keeps more of the resin matrix. Guggul is also supplied as a 10:1 ratio extract with no marker figure, the Guggul Extract Powder, and as milled resin, the Guggul Resin Powder. The standardized extract is the row to use when a guggulsterone figure has to appear in the specification of the guggul extract.

Guggulsterone Analysis & Purity Risks

HPLC separates E-guggulsterone and Z-guggulsterone on a reversed-phase column and quantifies the two peaks against reference standards, with UV detection at about 240 nm where the dienone chromophore absorbs strongly. The result is the sum of the two isomers. A UV reading at that wavelength would count other conjugated compounds, and neither a UV nor a gravimetric steroid figure can be converted into the HPLC sum.

For identity, the fingerprint of the resin is read beside the sum. The Z to E ratio is characteristic and is reported with the sum, because it shifts with processing and light. Guggulsterols and diterpene peaks appear as neighbors. The ratio between the two isomers also shows whether the material has been exposed to light or heat, because they interconvert.

Purity risks follow from the botanical group. Several Commiphora resins are traded as guggul, among them the myrrh of Commiphora myrrha, and the closely related Commiphora mukul is treated by plant databases as the same species under the accepted name used here. Their guggulsterone content differs widely. The stated species and the stated resin part therefore protect identity better than one percentage does. The plant is also under pressure from over-harvesting, which is why supply is a topic that responsible buyers raise.

Sample preparation uses a polar organic solvent that dissolves the steroid, followed by filtration through a fine membrane, because the sticky resin matrix can block a filter. Samples are protected from light and injected promptly, since the E and Z forms interconvert under light.

Raw material handling also matters. The resin is tapped from cuts in the bark, dried, and cleaned of bark and soil. A purified, solvent-treated resin is commonly used as the starting material for extracts, and the cleaner the feed the more consistent the guggulsterone level.

Typical Specifications

Specification Item	Product Information
Latin Name	Commiphora wightii
Plant Part	Resin & Gum
Processing	Ethanol Extraction
Compound Class	Phytosterols
Common Name	Guggul, Mukul Myrrh
Ingredient Type	Standardized Extract
Marker Compound(s)	Guggulsterones (E- and Z-guggulsterone)
Primary Grade	7.5% Guggulsterones (HPLC)
Available Grades	2.5% · 7.5% Guggulsterones (HPLC)
Appearance	Light Brown powder
Solubility / Dispersibility	Insoluble in Water
Quality Parameters
Moisture (LOD)	≤5.0%
Total Ash	≤5.0%
Particle Size	80 mesh
Heavy Metals	Lead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
Microbiology	TPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life	24 months in unopened original packaging, cool and dry storage

Applications by Grade

7.5% Grade for Compact Capsules

The 7.5% grade of guggul extract reaches a guggulsterone target in a small fill, which suits compact capsules. The resinous powder is sticky and clings to hopper walls, so a flow agent and a dry, cool filling room keep fill weights steady.

2.5% Grade in Oil-Based Fills

The 2.5% grade disperses in an oil carrier, which suits softgel-style or liquid-fill capsules. Warm the carrier gently to wet the resin, mill the powder fine first and keep the fill under agitation during dispensing to prevent settling.

7.5% Grade in Tablet Blends

Tablets of the 7.5% grade need a dry binder and a lubricant, because the resinous extract sticks to punches, particularly in warm rooms. A film coat limits dust and covers the bitter, balsamic taste of the resin.

2.5% Grade in Sachet Premixes

Sachets of the 2.5% grade dilute the extract with a bulking carrier so the filler can weigh an accurate dose. Because the extract is insoluble in water, the label should call for stirring, and a fine grind avoids visible specks.

2.5% Grade in Powder Blends

Dry blends carry the 2.5% grade at a practical gram weight alongside other resin and herb extracts. Add it in stages to a free-flowing carrier, because the sticky powder forms soft lumps that segregate in a large blender.

7.5% Grade in Stepwise Dilutions

Where a dose is small, the 7.5% grade is diluted in stages with a bulking carrier before it reaches the filler. Verify uniformity on a test batch, because a sticky concentrated powder at low inclusion clumps and segregates easily.

Technical & Quality Considerations

Guggul extract is a light brown to tan powder with a balsamic, resinous odor and a bitter, pungent taste. Because the resin extract is insoluble in water, a drink or liquid fill needs a suspension system or an oil carrier. The guggulsterones dissolve in ethanol and in lipid phases but not in water, which is why oily or alcoholic phases give a more uniform dispersion than an aqueous mix.

The resin softens at moderate temperature, so the powder caking and sticking become noticeable in warm rooms and warm storage. Guggulsterones are sensitive to light, which drives the conversion between the E and Z forms, and to oxidation in air, so opaque, oxygen-barrier packaging, nitrogen flushing and cool storage keep the profile of the lot steady. Strong heat and strong base degrade the dienone.

Scale-up of the extract starts with a cold sieve, since the resin smears on a warm screen, and a premix with part of the carrier, then a weight check on the first fills. Drums are stored sealed, cool and dark, with a desiccant liner in humid regions. A closed charging system limits the sticky, aromatic dust.

Interactions with neighboring ingredients are best checked in a brief pilot. Oils with peroxides attack the steroid, and strongly alkaline minerals degrade it, so an accelerated stability study shows early whether a combination is sound.

Packaging & Commercial Supply

Essencefield supports product evaluation, formulation trials, commercial orders, and ongoing ingredient supply. Packaging, storage, and shipping arrangements are determined by product characteristics, order quantity, stability requirements, and destination-market needs.

Supply Item	General Information
Sample	Available upon request for formulation, testing, and supplier evaluation
Order Quantities	100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time	Typically 5–7 days after sample confirmation
Production Lead Time	Typically 15–30 days after order and specification confirmation
Packaging	Suitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
Storage	Store in tightly sealed, suitable protective packaging in a cool, dry environment. Protect from moisture, heat, and direct sunlight. Specific storage conditions follow the approved product specification.
Documentation	COA · Product Specification · TDS · SDS · Applicable declarations (as applicable)

Final order quantities, lead times, packaging, documentation, and shipping arrangements are confirmed according to the selected product and commercial requirements.