Vitamins, also known as vitamins, are a class of organic substances necessary to maintain human life and activities, and are also important active substances to maintain human health. There are many types of vitamins, and the related metabolites are many. Only common vitamin types are listed here.
Vitamin A
All-trans-vitamin A, 13-cis-vitamin A, 11-cis-vitamin A, 11,13-dicis-vitamin A,
9-cis-vitamin A, 9,13-dicis-vitamin A
Vitamin B
Vitamin B1, Vitamin B2, Vitamin B6, Vitamin B3, Vitamin B5, Folic Acid, Vitamin B12
Vitamin C
(ascorbic acid)
L-ascorbic acid, L-dehydroascorbic acid, 6-deoxy-L-ascorbic acid, L-rhamno-L-ascorbic acid,
D-arabic ascorbic acid, L-glucose ascorbic acid, L-fructose ascorbic acid, D-glucoheptose ascorbic acid
Vitamin D
Ergocalciferol (D2), cholecalciferol (D3) 1α, 25 dihydroxycholecalciferol, ergosterol,
7-dehydroxycholesterol
Vitamin E
(Tocopherol)
α-tocopherol, β-tocopherol, γ-tocopherol, δ-tocopherol, α-tocopherol,
β-trien tocopherol, γ-trien tocopherol, δ-trien tocopherol
carotene
α-trans-carotene, B-trans-carotene, α-cis-carotene, β-cis-carotene.
Other vitamins
Biotin (d-biotin and d-biocytin), L-carnitine
Claw feet are accessories of freestanding cast iron bath tubs. Color of claw feet can be white, black, chrome, brushed nickel and oil rubbed bronze. Material of the feet is cast iron. The claw feet are in many different shapes and sizes.
We supply faucet of Cast Iron Sink.
Tub Faucet,Roman Tub Faucet,Freestanding Tub Faucet,Clawfoot Tub Faucet
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