Overview
ISO 8024:2023 - Concentrated black mulberry juice - Specifications defines the requirements for concentrated black mulberry juice that is physically processed and packaged for human consumption. The standard covers product identity, fundamental physical and chemical characteristics, sampling references, packaging and marking. It applies to unfermented concentrated black mulberry juice (physically preserved) whose soluble solids (Brix) are increased by at least 50% relative to the reconstituted juice, in line with CODEX CXS 247.
Key topics and technical requirements
- Product scope: Applies to concentrated black mulberry juice intended for human consumption; product is unfermented and preservable by physical methods.
- Concentration rule: Brix increase of at least 50% over reconstituted juice reference (Codex guidance).
- Physical and chemical specifications (Table 1 - test methods referenced):
- Brix: Min. 22 g/100 g (ISO 2173)
- Ash: 0.15–0.75 g/100 ml (ISO 5516)
- Titratable acidity (at pH 8.1): Min. 3 g/100 ml (ISO 750)
- pH: 2 to 4 (ISO 1842)
- Invert sugar: Min. 7 g/100 ml (EN 12630)
- Ethanol: Max. 3 g/l (ISO 2448)
- Formol number: Min. 12 g/100 ml (EN 1133)
- Sucrose: Max. 1 g/100 ml (EN 12630)
- Sulphur dioxide (SO2): Max. 10 mg/kg (ISO 5522)
- Foreign materials: Absence; sensorial profile: liquid, slightly sour taste, dark red colour.
- Contaminants and residues: Heavy metals to comply with CODEX CXS 193-1995 (lead testing per ISO 6633); pesticide residues to meet Codex MRLs.
- Packaging & labeling: Requires clean, food-grade packaging that does not affect product quality. Labelling to follow CODEX CXS 1-1985 plus particulars: product name, manufacturer/packer address, batch/code number, net/gross mass, producer, expiry date, and purchaser-required marks (e.g., harvest year).
Applications and users
- Food and beverage manufacturers producing concentrated black mulberry juice or mulberry-based ingredients.
- Quality control and analytical laboratories performing Brix, acidity, pH, sugar, ethanol, SO2, heavy metal and pesticide testing.
- Regulatory authorities, importers/exporters and trade auditors verifying compliance with international food safety and labelling requirements.
- Retailers and packers ensuring packaging, marking and sensory quality meet international specifications.
Related standards and references
- ISO methods: ISO 2173, ISO 750, ISO 2448, ISO 5516, ISO 5522, ISO 6633, ISO 1842, etc.
- EN methods: EN 12630, EN 1133.
- Codex references: CODEX CXS 247 (fruit juices), CXS 193 (contaminants), CXS 1-1985 (labelling), Codex pesticide MRL database.
Keywords: ISO 8024:2023, concentrated black mulberry juice, specifications, Brix, titratable acidity, pH, SO2, pesticide residues, food-grade packaging, Codex.
