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NO. Products Name Types Items BP quality control specification Chp quality control specification
195 Largehead Atractylodes Rhizome IDENTIFICATION Microscopic examination
Thin-layer chromatography β-Caryophyllene,Bornyl acetate
physiochemical identification a red or reddish-purple colour develops and persists
TESTS Atractylodes lancea(Thin-layer chromatography) β-caryophyllene,bornyl acetate
Water ≤ 100 mL/kg
Total ash ≤ 5.0 %
Ash insoluble in hydrochloric acid ≤ 1.0 %
Loss on drying
sulfur dioxide residue
ASSAY chromaticity
Ethanol-soluble extractive
Content ≥ 9 mL/kg of essential oil (anhydrous drug)
196 Lavender Flower IDENTIFICATION Microscopic examination powder
Thin-layer chromatography Linalyl acetate,1,8-Cineole,Linalol
Gas chromatography "The 5 principal peaks in the chromatogram obtained with the test solution are similar in retention time to the corresponding peaks in the chromatogram obtained with the reference solution; the 2 main peaks are due to linalol and linalyl acetate. (reference solution:camphor,α-terpineol ,limonene,cineole,linalol ,inalyl acetate) "
TESTS Foreign matter ≤ 3 % of stems and ≤ 2 % of other foreign matter.
Lavandin flower (Lavandula x intermedia Emeric ex Loisel)(Thin-layer chromatography) Linalyl acetate,1,8-Cineole,Linalol
Other species and varieties of lavender(Gas chromatography) Limit:camphor: ≤ 1 %
Water ≤ 100 mL/kg, determined on 20.0 g
Total ash ≤ 9.0 %
ASSAY Content ≥ 13 mL/kg of essential oil (anhydrous drug)
197 Lavender Oil IDENTIFICATION Thin-layer chromatography Linalyl acetate,1,8-Cineole,Linalol
Chromatographic profile The essential oil to be examined complies with the limits of the test for chromatographic profile.
TESTS Relative density 0.878 to 0.892
Refractive index 1.455 to 1.466
Optical rotation -12.5 to -6.0
Acid value ≤ 1.0
Chromatographic profile "Determine the percentage Content of each of the following components. The percentages are within the following ranges: — limonene: ≤ 1.0 %; — 1,8-cineole: ≤ 2.5 %; — 3-octanone: 0.1 % to 5.0 %;— camphor: ≤ 1.2 %; — linalol: 20.0 % to 45.0 %; — linalyl acetate: 25.0 % to 47.0 %; — terpinen-4-ol: 0.1 % to 8.0 %; — lavandulyl acetate: ≥ 0.2 %; — lavandulol: ≥ 0.1 %; — α-terpineol: ≤ 2.0 %; — reporting threshold: the area of the principal peak in the chromatogram obtained with reference solution (b) (0.05 %)"
Chiral purity "Limits: — (S)-linalol: ≤ 12 %; — (S)-linalyl acetate: ≤ 1 %"
ASSAY
198 Lemon Balm IDENTIFICATION Microscopic examination powder
Thin-layer chromatography citronellal,citral
TESTS Foreign matter ≤ 10 % of stems with a diameter greater than 1 mm and ≤ 2 % of other foreign matter, determined on 20 g
Loss on drying ≤ 10.0 %
Total ash ≤ 12.0 %
ASSAY Content ≥ 1.0 % of rosmarinic acid (C18H16O8; Mr 360.3) (dried drug)
199 Lemon Balm Dry Extract IDENTIFICATION Thin-layer chromatography hyperoside,rutoside trihydrate,rosmarinic acid
TESTS Loss on drying ≤ 6.0 %
ASSAY Content ≥ 2.0 % of rosmarinic acid (C18H16O8; Mr 360.3) (dried extract).
200 Lemon Oil IDENTIFICATION Thin-layer chromatography citropten,citral
Chromatographic profile The characteristic peaks in the chromatogram obtained with the test solution are similar in retention time to those in the chromatogram obtained with the reference solution(β-pinene, sabinene, limonene,γ-terpinene,β-caryophyllene,citral,α-terpineol,neryl acetate ,geranyl acetate)
TESTS Relative density 0.850 to 0.858
Refractive index 1.473 to 1.476
Optical rotation +57 to +70
Absorbance The value C - D is 0.20 to 0.96 and for Italiantype lemon oil it is not less than 0.45
Chromatographic profile "Determine the percentage Content of these components. The percentages are within the following ranges: — β-pinene: 7.0 % to 17.0 %, — sabinene: 1.0 % to 3.0 %, — limonene: 56.0 % to 78.0 %, — γ-terpinene: 6.0 % to 12.0 %, — β-caryophyllene: ≤ 0.5 %, — neral: 0.3 % to 1.5 %, — α-terpineol: ≤ 0.6 %, — neryl acetate: 0.2 % to 0.9 %, — geranial: 0.5 % to 2.3 %, — geranyl acetate: 0.1 % to 0.8 % "
Fatty oils and resinified essential oils It complies with the test for fatty oils and resinified essential oils
ASSAY Residue on evaporation 1.8 % to 3.6 % after heating on the water-bath for 4 h
203 Lemon Verbena Leaf IDENTIFICATION Microscopic examination powder
Thin-layer chromatography arbutin,Rutoside
TESTS Foreign matter ≤ 10 % of stems with a diameter greater than 1 mm and ≤ 2 % of other foreign matter, determined on 20 g
Verbena officinalis(Thin-layer chromatography) arbutin,rutoside trihydrate
Loss on drying ≤ 10.0 %
Total ash ≤ 13.0 %
Ash insoluble in hydrochloric acid ≤ 3.5 %
ASSAY Content "— acteoside: ≥ 2.5 %, expressed as ferulic acid (dried drug); — essential oil: ≥ 3.0 mL/kg for the whole drug and ≥ 2.0 mL/kg for the fragmented drug (dried drug)."
204 Ligusticum Root and Rhizome IDENTIFICATION Microscopic examination powder
Thin-layer chromatography (Z)-Ligustilide,Osthole,Imperatorin
TESTS Foreign matter ≤ 3 %, determined on 50 g
Officinal species of Angelica and Levisticum(Thin-layer chromatography) (Z)-Ligustilide,Osthole,Imperatorin
Loss on drying ≤ 12.0 %
Total ash ≤ 6.0 %
Ash insoluble in hydrochloric acid ≤ 2.0 %
ASSAY Ethanol-soluble extractive -
Content ≥ 5.0 mL/kg of essential oil (dried drug)
205 Lime Flower IDENTIFICATION Microscopic examination powder
Thin-layer chromatography caffeic acid ,hyperoside ,rutoside trihydrate
TESTS Foreign matter ≤ 2 %, determined on 30 g. There are no inflorescences with a bract bearing at the abaxial face stellate, five- to eight-rayed trichomes and flowers having an apparent double corolla by transformation of five stamens into petal-like staminoids and having a pistil which is not lobular nor indented. Hexamerous flowers occur only occasionally (Tilia americana L., Tilia tomentosa Moench)
Loss on drying ≤ 12.0 %
Total ash ≤ 8.0 %
ASSAY
206 Linseed IDENTIFICATION Microscopic examination powder
physiochemical identification -
TESTS Foreign matter ≤ 10 % of seeds with a dull coat and ≤ 1.5 % of other foreign matter
Swelling index Minimum 4
Cadmium ≤ 0.5 ppm
Loss on drying ≤ 8.0 %
Total ash ≤ 5.0 %
ASSAY Content -
207 Liquorice IDENTIFICATION Microscopic examination powder
Thin-layer chromatography glycyrrhetic acid,thymol
TESTS Total ash ≤ 10.0 % for the unpeeled drug and ≤ 6.0 % for the peeled drug
Acid-insoluble ash ≤ 2.0 % for the unpeeled drug and ≤ 0.5 % for the peeled drug
Loss on drying ≤ 10.0 %
Ochratoxin A ≤ 20 µg per kilogram of herbal drug.
ASSAY Content Minimum 4.0 % of 18β-glycyrrhizic acid (dried drug).
208 Liquorice Dry Extract for Flavouring Purposes IDENTIFICATION Thin-layer chromatography glycyrrhetic acid,thymol
TESTS Loss on drying ≤ 7.0 %
Ochratoxin A ≤ 80 µg per kilogram of extract
ASSAY Content 5.0 % to 7.0 % of 18β-glycyrrhizic acid (dried extract)
209 Liquorice Liquid Extract IDENTIFICATION high performance thin-layer chromatography hyperoside, rutin,hyperoside, chlorogenic acid , 18β-glycyrrhizic acid
TESTS Ethanol 16 to 20 % v/v
Methanol ≤ 0.05% v/v
Ochratoxin A ≤ 20 ppb
ASSAY
210 Liquorice Root for use in TCM IDENTIFICATION Microscopic examination powder
Thin-layer chromatography glycyrrhetic acid,thymol
TESTS Loss on drying ≤ 7.0%
Acid-insoluble ash ≤ 2.0%
Loss on drying ≤ 12.0%
Ochratoxin A ≤ 20 ppb
Pb, Cr, As, Hg and Cu
Organochlorine pesticides residue
ASSAY Content It contains not less than 2.0% of glycyrrhizic acid , calculated with reference to the dried material
211 Long Pepper IDENTIFICATION Microscopic examination powder
Thin-layer chromatography borneol ,piperine
physiochemical identification -
TESTS Foreign matter ≤ 3 %
Loss on drying ≤ 11.0 %
Total ash ≤ 5.0 %
ASSAY Content "— essential oil: minimum 6.0 mL/kg (dried drug); — piperine : minimum 3.0 % (dried drug)"
212 Loosestrife IDENTIFICATION Microscopic examination powder
Thin-layer chromatography chlorogenic acid ,hyperoside , rutoside trihydrate, vitexin
physiochemical identification -
TESTS Loss on drying ≤ 12.0 %
Total ash ≤ 7.0 %
ASSAY Content Minimum 5.0 % of tannins, expressed as pyrogallol (dried drug)
213 Lovage Root IDENTIFICATION Microscopic examination powder
Thin-layer chromatography (Z)-Ligustilide,Osthole,Imperatorin
TESTS Species of Angelica and Ligusticum described in the European Pharmacopoeia(Thin-layer chromatography ) (Z)-Ligustilide,Osthole,Imperatorin
Foreign matter ≤ 3 %
Loss on drying ≤ 12.0 %
Total ash ≤ 8.0 %
Ash insoluble in hydrochloric acid ≤ 2.0 %
ASSAY Content "Essential oil Content: — for the whole drug, minimum 4.0 mL/kg (dried drug); — for the cut drug, minimum 3.0 mL/kg (dried drug)."
214 Lycopus Lucidus Herb IDENTIFICATION Microscopic examination powder
Thin-layer chromatography luteolin,ursolic acid
TESTS Loss on drying ≤ 10.0 %
Total ash ≤ 8.0 %
ASSAY Ethanol-soluble extractive -
Content Minimum 0.15 % of rosmarinic acid (dried drug)
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