ZL Botanicals

ZL BOTANICALS · KNOWLEDGE LIBRARY

Ingredients

Compare botanical identity and chemistry before comparing commercial grades.

Educational reference—not medical advice, a supply promise or a universal manufacturing procedure.

Browse extracts

Green Tea Extract

Green tea extract is a preparation derived from Camellia sinensis leaves. Dried tea, processing fines and spent brewing residue have different starting compositions.

Centella Asiatica Extract

Centella asiatica herb; the cited laboratory experiment used authenticated mature leaves, not an unspecified whole-plant commercial powder.

Monk Fruit Extract

Siraitia grosvenorii fruit. Non-selective fruit decoctions, refined mogroside extracts and carrier-containing blends are different inputs.

Turmeric Extract

Curcuminoid pigments, oleoresins and dispersible ingredients: composition, processing, formulation and quality.

Reishi Mushroom Extract

Ganoderma fungal materials: verify species (including G. lingzhi versus G. lucidum), fruiting body, mycelium or spores and cultivation substrate. Reishi is a fungus, not a plant.

Ginseng Extract

Panax ginseng roots. Fresh roots, dried white ginseng, steamed red ginseng and repeatedly steamed black ginseng have different processing identities; other Panax species and leaves are not interchangeable.

Ginkgo Biloba Extract

Ginkgo biloba leaves; leaf powder, refined leaf extract, seed kernels and outer seed coats are different materials.

Grape Seed Extract

Vitis seeds, with species, fermentation history and defatting recorded. Grape skins, grape-seed oil and resveratrol are not grape-seed polyphenol extract.

Goji Berry Extract

Lycium barbarum fruit. Whole-fruit powder, juice solids, polysaccharide fractions and carotenoid-oriented materials must remain distinct; leaf studies do not identify fruit extracts.

Licorice Root Extract

Glycyrrhiza roots and stolons; identify the species rather than relying on the common name. Glabridin-oriented material specifically requires authenticated G. glabra.

Stevia Extract

Stevia rebaudiana leaves are the botanical input for leaf extraction. Fermentation-derived and enzyme-converted glycosides have different starting materials and cannot simply be described as leaf extracts.

Resveratrol

Resveratrol names a molecule, not one plant extract. Botanical knotweed roots/rhizomes, synthetic trans-resveratrol and microbial material require different source records; grape-seed extract is not synonymous.

A botanical name is only the beginning

An ingredient entry should connect an accepted scientific name, plant part, processing history and relevant analytical markers. Common names can cover different materials. Preserve the supplier’s traceable botanical identity and resolve synonyms before deciding whether published information applies to a candidate extract.

Separate chemistry from benefit claims

Polyphenols, glycosides and polysaccharides are broad chemical groupings, not interchangeable purchase grades or clinical outcomes. A total-content assay can hide differences in individual constituents. Ask for the method, reference standard and a fingerprint when appropriate. A measured marker can support consistency without proving the performance of a finished formulation.

Use the supply catalogue for procurement

These encyclopedia entries explain how to evaluate materials. Existing product pages remain the place to start a supply enquiry, with current availability and documents confirmed in writing. Mushroom materials appear in the wider botanical supply catalogue but are fungi, not plants; taxonomy should not be flattened for marketing convenience.

Further reading: constituent families & concepts

Polyphenols and catechins

Read total-polyphenol and individual-marker results without conflating them.

Read the topic →

Glycosides and sweetener identity

Why botanical origin does not define a sweetener grade or legal use.

Read the topic →

Turn reading into a review plan

  • Confirm species, plant part and starting-material traceability
  • Record solvent, carrier, form and analytical method
  • Set acceptance criteria for the actual formulation and destination market

Make decisions using written specifications and genuine batch evidence. The checks described here are not claims of tests already performed or certificates held by ZL Botanicals; equipment and process explanations do not assert our manufacturing capabilities.

References and scope

Sources checked: . Source titles are retained as published. Status reflects this check, not a substitute for pre-market review.

  1. WHO — Quality control methods for herbal materials (2011)

    Published technical manual, not a product authorization or a universal finished-extract specification.

  2. Zhang et al. — Techniques for extraction and isolation of natural products (2018)

    Peer-reviewed methods review. Laboratory examples are not validated commercial recipes.