【摘要】：為研究纖維產(chǎn)品經(jīng)微生物發(fā)酵前后的營養(yǎng)價值,本文在每千克麩皮中添加5 g自制酵解劑,制備了一種纖維酵解產(chǎn)品,即產(chǎn)品-1。產(chǎn)品-1室溫存放3個月,即為產(chǎn)品-2。產(chǎn)品-3為市售纖維酵解產(chǎn)品,與產(chǎn)品-1成分類似。對產(chǎn)品1、2和3進行系列指標測定,以對纖維產(chǎn)品發(fā)酵前后的營養(yǎng)價值與穩(wěn)定性進行研究。結果表明:產(chǎn)品-1與原料相比,粗蛋白質(zhì)與小肽含量分別提高11.8%和3.6倍,相較于產(chǎn)品-3也都顯著提高(P0.05);pH降低26.2%,相較于產(chǎn)品-3也顯著降低(P0.05);還原糖、L-乳酸、VFA含量分別提高3.1倍、49倍、2.9倍,乳酸菌、酵母菌、芽孢菌菌量分別提高164614倍、100000倍、177倍,相較于產(chǎn)品-3也都顯著提高(P0.05);霉菌降解100%,黃曲霉毒素B1、嘔吐毒素、玉米赤霉烯酮含量分別降低68.4%、76.8%、44%,粗纖維、酸性洗滌纖維、中性洗滌纖維含量分別降低19.6%、13.3%、13.6%,與產(chǎn)品-3相比,有降低的趨勢。產(chǎn)品-2與產(chǎn)品-1相比,粗纖維、中性洗滌纖維與酸性洗滌纖維含量無顯著差異(P0.05),粗蛋白質(zhì)、揮發(fā)性脂肪酸(VFA)含量隨微生物分解作用顯著提升(P0.05),pH顯著降低(P0.05),還原糖作為底物被微生物消耗而顯著下降(P0.05),乳酸菌、酵母菌、芽孢菌菌量因菌體死亡而顯著降低(P0.05),霉菌因環(huán)境污染顯著增加(P0.05),毒素中黃曲霉毒素、嘔吐毒素、玉米赤霉烯酮含量無顯著差異(P0.05)。
[Abstract]:In order to study the nutritional value of fiber products before and after microbial fermentation, a kind of fiber hydrolyzing product, that is, product 1. 1., was prepared by adding 5 g self-made hydrolysate to each kilogram of gluten. Product-1 stored at room temperature for 3 months, that is, product-2. Product-3 is a marketed fiber hydrolyzed product, similar to product-1. A series of indexes of products 1, 2 and 3 were determined to study the nutritional value and stability of fiber products before and after fermentation. The results showed that the content of crude protein and small peptide in product-1 was 11.8% and 3.6 times higher than that of raw material respectively, and the content of crude protein and small peptide was significantly higher than that of product-3 (P0.05). PH decreased by 26.2%, which was also significantly lower than that of product-3 (P 0.05). The contents of reducing sugar, L-lactic acid and VFA increased by 3.1 times, 49 times, 2.9 times, 164614 times, 100000 times and 177 times, respectively, which were significantly higher than those of product-3 (P 0.05). The contents of mold degradation, aflatoxin B1, vomiting toxin and zearalenone decreased by 68.4%, 76.8% and 44%, respectively, while the contents of crude fiber, acid detergent fiber and neutral detergent fiber decreased by 19.6% and 13.3%, respectively. 13.6%, compared with product-3, there is a downward trend. Compared with product-1, there was no significant difference in the contents of crude fiber, neutral detergent fiber and acid detergent fiber (P 0.05). The (VFA) content of crude protein and volatile fatty acid increased significantly with microbial decomposition (P 0.05). PH decreased significantly (P 0.05), reducing sugar as substrate was consumed by microorganisms (P 0.05), lactic acid bacteria, yeast and spores decreased significantly (P 0.05), and the number of lactic acid bacteria, Saccharomyces cerevisiae and spores decreased significantly (P 0.05). There was no significant difference in the contents of aflatoxin, vomiting toxin and zearalenone between the two groups (P0.05).
【作者單位】： 青島根源生物技術集團有限公司;
【分類號】：S816

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