Zusammenfassung der Ressource
Vegetables
- Types
- Green leafy vegetables
- cabbage
- roots
- beetroot
- bulbs
- onions
- tubers
- potatoes
- Fruit
- tomatoes
- flowers
- broccoli
- Buying
- in season
- fresh quality
- by loose/ netted to prevent mould
- Storing
- cool, dry dark place
- remove plastic packaging
- use soon
- Cooking
- vitamin c and b are lost
- more digestable
- loss of colour, flavour and texture
- Methods
- boiling
- frying
- steaming
- Nutritive Value
- HBV protein
- Low in fat
- Sugar, Starch, Fibre
- Vitamins - betacarotene, B1, C
- Minerals - iron, calcium, potassium, iodine
- Water 90%
- Class
- extra
- excellent quality
- 1
- good quality - no brusing
- 2
- minor defects in size and colour - reasonable quality
- 3
- blemishes in shape and colour - marketable quality
- Spoilage
- enzyme phenolase
- resulting in bruising and brown patches
- 'open' structure wilt
- slimy e.g lettuce
- roots go limp and woody
- Processing
- freezing
- carrots, peas, blackcurrants
- little change in nutritive value
- canning
- peas, beans, pears
- enzymes and micro-organisms inactivated
- drying
- peas, beans, grapes
- change in texture