Effect of phytosterol on shelf life of compressed biscuits
  
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KeyWord:phytosterol  accelerated test  compressed biscuit  shelf life
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ZHAO Yanwu, ZENG Yanhao1, NIU Yongjie  
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Abstract:
      The effect of phytosterol on shelf life of compressed biscuits was investigated by accelerated test. Phytosterol was added to compressed biscuits, then stored at 60, 70?℃ and 80?℃, the acid values of compressed biscuits were tested during the storage, and the relationship between storage temperature and acid value was established by Arrhenius equation to validate the effect of phytosterol on shelf life of compressed biscuits. The results showed that the shelf life at 25?℃ of compressed biscuits added with phytosterol was 1 594.7 d, while it was 1 337.8 d for compressed biscuits without phytosterol, so the shelf life was prolonged by 19.2%. Phytosterol could help to extend the shelf life of compressed biscuits.
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