Market is the inevitable product of the division of labor and the development of commodity economy. At the same time, the market also promotes the social division of labor and the further development of commodity economy during its development and expansion. The market through information feedback directly affects the production of people, how much production, and the market time, product sales status, etc.; Middle link commodity economy development process, supply and sale, the parties to provide production, supply and sale parties exchange places and other exchange, exchange time, to realize the commodity producers, operators and consumers their own economic interests Vitamin C. Regularly projects realize that orange juices made of frozen concentrated orange ( FCOJ ) possess the highest vitamin C levels in comparison to freshly squeezed or not-from-concentrate ( NFC ) juices. This is because that the vitamin C degrades after a while in fresh and NFC, but does not degrade all the in FCOJ on account of it being frozen until reconstitution. If you're comparing a NFC product which was stored for roughly three weeks vs a newly reconstituted FCOJ, the FCOJ would surely have an increased vitamin C concentration.