20221123 WS19 Microbiologie 2 Levensvoorwaarden

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VoedingMBOStudiejaar 1

This lesson contains 48 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 120 min

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Slide 5 - Link

Hoe kunnen we ons eten het beste bewaren.

https://schooltv.nl/video/conserveren-hoe-kunnen-we-ons-eten-het-beste-bewaren/

Conserveren
Houdbaar maken van voedsel

Vraag: Welke conserveringsmethodes ken je / heb je net in het filmpje gehoord?

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7 levensvoorwaarden
1. Voeding
2. Water
3. Temperatuur
4. Zuurstof
5. Zuurgraad (pH)
6. Afwezigheid van opgeloste stoffen (zout en suiker)
7. Afwezigheid van giftige stoffen (conserveermiddelen)

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Waar is voeding in jouw bedrijf?

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Noem 3 voedingsmiddelen die houdbaar zijn door verhitten

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Noem 3 voedingsmiddelen die houdbaar zijn door koelen

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Noem 3 voedingsmiddelen die houdbaar zijn door de zuurstof weg te halen

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Cola en azijn testen op pH waarde en vergelijken
Eerst azijn meten en vervolgens pH van cola laten schatten (suiker heeft dus geen invloed op de pH)

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Wat doe jij allemaal om besmetting dan wel uitgroei te voorkomen?

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