An employee tests Nestle products at the company's research and development center in Shanghai, Oct. 18, 2012. Nestle's sales growth slowed more than expected in the first nine months of the year as demand cooled in the emerging markets driving the world's biggest food company. Growth in Asia, Oceania and Africa, which accounted for about one fifth of sales, fell to 9.4 percent from 11.6 percent. Speaking at a news conference in Shanghai, Nestle Chief Executive Paul Bulcke said there was some nervousness about emerging markets, noting that China was not meeting potential. But he was optimistic for its future growth.