Analytical protocol for aflatoxin B1 removal from peanut meal: thermal modification, adsorption kinetics, and utilized evaluation
文献类型: 外文期刊
作者: 唐芬;;马飞;;付丽娜;;方梦雪;;王督;;张良晓;;李培武;;喻理
关键词: Aflatoxin B1; Attapulgite; Detoxification; Peanut meal; Thermal modification
期刊名称: MICROCHEMICAL JOURNAL
ISSN: 0026-265X
年卷期: 2025 年
页码:
收录情况: SCIE(2025版)
摘要: Peanut meal has become a popular substitute for soybean meal because of its high protein content, arginine levels, palatability, and cost. However, it is prone to contamination by aflatoxin B1 (AFB1). This study has, for the first time, developed a series of thermally modified attapulgite (TATP) as adsorbents for AFB1 removal from peanut meal, with TATP-500 showing the highest adsorption capacity. Comprehensive characterization revealed that thermal activation transformed the internal structure of ATP, increasing its pore size. Kinetic and isotherm adsorption studies showed that the AFB1 adsorption process exhibited monolayer characteristics. The maximum adsorption capacity of 6.62 μg/mg is comparable to other reported clay-based adsorbents. With a TATP-500 to peanut meal mass ratio of 1:1000, over 75% detoxification efficiency was achieved without significantly affecting the nutrition and safety of peanut meal. This innovative application of TATP-500 offers a promising and effective method for detoxifying AFB1 in feedstuffs.
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