Pollution Analysis and Safety Evaluation of Roasted Sweet Potato

doi:10.7506/spkx1002-6630-201101055

FOOD SCIENCE ›› 2011, Vol. 32 ›› Issue (1 ): 229-231.doi: 10.7506/spkx1002-6630-201101055

• Nutrition & Hygiene • Previous Articles Next Articles

Pollution Analysis and Safety Evaluation of Roasted Sweet Potato

LU Hai-bo1，ZHANG Ling2，YIN Li-fang3，CHI Mei-li2，CHEN Chuan-qi2，MA Gui-fu2

1. College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China；
2. School of Chemistry and Environmental Engineering, Changsha University of Science and Technology, Changsha 410076, China；
3. Hunan Center of Analytical Service, Changsha 410004, China

Received:2010-04-13 Online:2011-01-15 Published:2010-12-28
Contact: LU Hai-bo E-mail:luhaibonan@126.com

Abstract

Abstract:

In order to understand the pollution problem of roasted sweet potato, the contents of sulfur, copper, lead, mercury and arsenic in sweet potato roasted by coal fire were analyzed. The safety evaluation of roasted sweet potato was conducted according to national food hygienic and vegetable quality grade standards. Results indicated that the skin, subcutaneous meat and central layer meat of roasted sweet potato were highly polluted by sulfur and heavy metals with comprehensive pollutant indexes of 209.1, 24.0 and 3.9, respectively.

Key words: sweet potato, roast, coal fire, sulfur, copper, lead, mercury, arsenic, safety evaluation

CLC Number:

TS201.6

LU Hai-bo1，ZHANG Ling2，YIN Li-fang3，CHI Mei-li2，CHEN Chuan-qi2，MA Gui-fu2. Pollution Analysis and Safety Evaluation of Roasted Sweet Potato[J]. FOOD SCIENCE, 2011, 32(1 ): 229-231.

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Pollution Analysis and Safety Evaluation of Roasted Sweet Potato

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