Qingyuan Incense

Qingyuan Incense

Qingyuan Incense is a geographical indication protected product.

　　Qingyuan Incense

　　I. Main and Auxiliary Materials

　　(I) Main Ingredient: Wild Hibiscus. Select the whole plant of wild or cultivated wild hibiscus within the production area that has grown for more than 70 days, dry it naturally or by baking, with moisture content less than or equal to 10%; grind it to 100 mesh and store, with storage period not exceeding 2 weeks.

　　(II) Auxiliary Materials:

　　Select the following auxiliary materials according to different varieties:

　　1. Agarwood Powder: Select agarwood, dry and dehydrate it, then grind and process it into 100 mesh for later use.

　　2. Sandalwood Powder: Select sandalwood, dry and dehydrate it, then grind and process it into 100 mesh for later use.

　　3. Other Spices: Select fragrant plants such as isatis root (root, stem, leaf), aster (root), mugwort (stem, leaf), and rose (flower) from the current year’s growth, formulate them according to traditional recipes, grind them with a grinder, and sieve through 100 mesh to produce.

　　II. Formula Proportions

　　Main ingredient 70% to 80%, auxiliary ingredients 20% to 30%; water to main and auxiliary material ratio: (0.8～1):1.

　　III. Dough Preparation

　　After mixing according to the above proportions, stir evenly and form the dough, keeping it moist until ready.

　　IV. Molding

　　Mold according to the required product shape using different processes or equipment.

　　V. Drying

　　Drying temperature controlled between 45 to 50 degrees Celsius, drying time controlled between 4 to 5 hours.

　　 VI. Quality Characteristics

　　 1. Sensory Characteristics: Good toughness, not easy to break, stable and complete combustion, subtle and fresh fragrance, pure and long-lasting, no irritating odors, ash color is grayish-white.

　　2. Physicochemical Indicators

　　Item Indicator

　　Product Moisture Content ≤10%

　　Sterilization Effect Removal rate of harmful bacteria in indoor air (Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa) ≥70%, natural bacteria removal rate ≥70%.

　　3. Safety and Other Quality Technical Requirements: The safety and other quality technical requirements of the product must comply with relevant national regulations.

　　The current administrative region of Qingyuan County, Hebei Province

　　Letter from the People's Government of Qingyuan County, Hebei Province “On Defining the Protection Scope of Qingyuan Incense Geographical Indication Products,” [2012] No. 17 Baoding City Local Standard: “Qingyuan Incense” (Draft)