Readings Flashcards
% animal-based proteins that is consumed worldwide
40%
How many kg of plant-based is required for 1kg
2-15kg
Animal protein consumption has
increased
% of grains harvested for feed
40-50%
Insects that could be used for food
Gryllodus sigillatus, acheta domesticus, aphitobius diaperinus, tenebrio molitor
Insects that could be used for feed
Hermetia illucens, larvae of musca domestica, Tenebrio molitor
Algae has 2 subcategories. Danger?
Microalgea and seaweed. 2% of 4000 varieties of algae have neurotoxins
Types of microalgae that could be eaten
Spirulina and Chlorella. Contain no toxins but can be contaminated
Duckweed
Wolffia arrhiza = duckweed traditionally eaten by Thais. Oxalic acid is the only toxic component produced by duckweed (at high levels).
Danger with rapeseed
rapeseed can also contain erucic acid
Intentional food alduteration
Inclusion of inferior substances having properties similar to foods in which they are added
Detection of cane sugar in honey
Optical microscopy. Sclerous rings and parenchyma cells are part of cane sugar.
HPLC
Is the most widely used technique. Olive oil, citric juices, jams, tea liqueurs, wines. High performance liquid chromatography
Gas chromatography
is used to detect gas volatile organic compounds. Wines of the same region
FTIR
Fourier transform infrared spectroscopy. Used for milk