Here are some suggestions offered by Chiang Hsiao-min, a dietician with the Dieticians Society of Taipei County. (1) By and large, you get what you pay for. Low-cost food products are usually made with old or low-quality ingredients, which then have additives added to improve the taste or mask the inferior quality.
台北縣營養師公會的姜小敏營養師建議：一、通常而言，「一分錢一分貨」，低價食品很可能用不新鮮食材或品質劣等者（成本低），再以添加物掩蓋或增添美味。