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Can vitamin C contained in an alga provide antioxidant power to a cream?…
Can vitamin C contained in an alga provide antioxidant power to a cream?
cosmetic
cream
soothing
antioxydant
moisturizing
care
soap
scrub
handling
2) discoloration
equipment
Erlenmeyer flask, filter paper, seaweed solution, activated carbon
3) dosage
liquid chromatography
equipmernt
seaweed solution, pump, glass column, detector
dosing back
equipment
seaweed solution, diiodine, sodium thiosulfate
1) extraction
equipment
algae fucus , balance, beaker, glacial acetic acid, thiourea, funnel, NaOH, oxalic acid
vitamin C
neutralize free radicals
hydroxyl free radical
target: organic molecule
DNA, proteins, amino acid, lipids
great reactivity
has a "single" electron
algea
brown algae, red, green
brown algae ; FUCUS VESICULUS
composition
protein
carbohydrates
water
magnesium
potassium
iodine
lipids
iron, copper, zinc
vitamin C
does not withstand heat
antioxidant power
exceptional property
insoluble in water
reduce to a fine particle