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More, better juice

As the popularity of juicers in China increases, scientists such as Ma Guansheng, a professor with School of Public Health, Peking University, warn that juice is not a nutritionally equivalent replacement for whole fruits and vegetables. Most healthy fibers end up in the discarded pulp, and the juicers heat up - accelerating oxidation which eliminates more nutrients. Addressing the latter problem, leading Chinese domestic appliance producer Joyoung recently launched a new juice-making machine. It uses a porcelain screw to press the fruits and vegetables slowly, which reduces oxidation and nutrition loss, avoids contamination and make little noise, according to Ruan Guangfeng, an established popular-science writer with Guokr.com. Ruan says experiments also show the new juicer (2,299 yuan, or $371) can produce more juice than blade juicers.