BEGINNER 101 · PUBLISHED 2026-04-28Updated 2026-04-28
Temperature 101 — A Beginner’s Reference
Quick Answer: A beginner-friendly introduction to temperature with glossary, quick-reference card, and primary sources. Practical food safety compliance guide for your bus...
Expert-supervised by Takayuki SawaiGyoseishoshi (行政書士) — Certified Gyoseishoshi, JapanAll MmowW content is supervised by a nationally licensed regulatory compliance expert.
A beginner-friendly introduction to temperature, with a glossary, quick-reference card, and links to primary authority sources.
Quick Answer
A beginner-friendly introduction to temperature, with a glossary, quick-reference card, and links to primary authority sources.
Hazard Analysis and Critical Control Points — a systematic approach identifying, evaluating, and controlling food safety hazards.
CCP
Critical Control Point — a step where control can prevent, eliminate, or reduce a food safety hazard.
PRP
Prerequisite Programme — basic conditions and activities for a hygienic food production environment.
Codex Alimentarius
International food standards by FAO/WHO to protect consumer health and ensure fair food trade practices.
SFBB
Safer Food Better Business — FSA food safety management pack for small food businesses.
Temperature control is the single most consequential safety lever in food operations. Regulators worldwide—Codex[1], FDA[2], FSA[3], EFSA[4], and Japan’s MHLW—converge on a danger zone of 5°C–60°C and require monitored cooking, hot-holding, cooling, and cold-storage limits. In Japan, the reference document for these limits is the national food code or its equivalent statutory instrument.
The 12 terms you must know
Hazard — defined in Codex Annex II and operationalised by national authorities.
CCP (Critical Control Point) — defined in Codex Annex II and operationalised by national authorities.
PRP (Prerequisite Programme) — defined in Codex Annex II and operationalised by national authorities.
Critical Limit — defined in Codex Annex II and operationalised by national authorities.
Monitoring — defined in Codex Annex II and operationalised by national authorities.
Corrective Action — defined in Codex Annex II and operationalised by national authorities.
Verification — defined in Codex Annex II and operationalised by national authorities.
Validation — defined in Codex Annex II and operationalised by national authorities.
Cross-contamination — defined in Codex Annex II and operationalised by national authorities.
Cross-contact (allergens) — defined in Codex Annex II and operationalised by national authorities.
Time-temperature abuse — defined in Codex Annex II and operationalised by national authorities.
Codex Decision Tree — defined in Codex Annex II and operationalised by national authorities.
Quick reference card
Indicator
Baseline
Target
Time
Measurement
Cold storage temperature in spec
85%
100%
2 weeks
Continuous logger
Hot-hold temperature in spec
78%
100%
2 weeks
Probe per service
Cooking core temperature monitored
30% of batches
100% of high-risk batches
1 month
CCP probe
Cooling 60→10°C in ≤90 min
Variable
100% compliance
1 month
Logger ramp
Annual probe calibration
Not tracked
100% probes
Quarterly
Calibration log
Related free tool: Log temperatures with our free toolTry it free →
Piyo: Poppo-san, where does temperature actually start in a real kitchen?
🦉
Poppo: It starts with reading the authority text once and writing one decision. Codex sets the international baseline; your national regulator binds you to a specific value or method.
Piyo: What if the staff resist the new rule?
🦉
Poppo: Show them the failure mode it prevents and the time it saves. Authority handbooks (FSA SFBB, MHLW small-business guidance) describe the minimum viable system — you adapt, you don’t reinvent.
🐮
Mou: Strong, kind, beautiful: temperature made blissful for everyone in the kitchen.
Owl & Chick & Cow — an operator dialogue
Piyo: Why is 5-60°C called 'the danger zone'?
🦉
Poppo: FDA data: at 20°C, bacterial counts can rise 1,000× in 2 hours. Outside the zone, they barely grow.
Piyo: 1,000×?! That changes everything.
🦉
Poppo: That's why every regulator — Codex, FDA, FSA, EFSA, MHLW — converges on cold ≤5°C / hot ≥60°C.
🐮
Mou: Used to be: 'looks brown — done!' Now: probe to 75°C/1 min, photographed, logged.
Piyo: What about Bluetooth probes?
🦉
Poppo: FDA's Managing Food Safety strongly recommends electronic logging. MHLW's expert panel found 90% time savings.
🐮
Mou: Strong, kind, beautiful — controlling temperature is controlling food safety.
Try the free MmowW CCP Decision Tree
Identify Critical Control Points for your menu in 5 minutes — aligned to Codex CXC 1-1969 Annex II, free in 6 languages.
Important disclaimer: MmowW is not a food-safety certification body. The content above is educational best-practice writing distilled from primary national-authority sources. Final responsibility for compliance with Codex, FDA, FSA, EFSA, MHLW, CFIA, or any other national requirement rests with the food-business operator and the relevant authority. Always verify with primary sources and your local regulator. Information is current as of the publication date and may be superseded by subsequent regulatory changes.
Takayuki Sawai — Gyoseishoshi
Licensed Gyoseishoshi (Certified Gyoseishoshi) and founder of MmowW. Making food safety compliance blissful for businesses worldwide.