| 1 | Modifi cation of wheat bran insoluble and soluble dietary fibers with snail enzyme显示文摘Insoluble dietary fiber(IDF)and soluble dietary fiber(SDF)extracted from wheat bran were modifi ed by snail enzyme and their physicochemical properties(water retention capacity and oil retention capacity),functional properties(cholesterol adsorption capacity,glucose adsorption capacity and antioxidant activity)and structural characterizations were evaluated.The results showed that snail enzyme modification led to the significant increase in oil retention capacity of IDF,glucose adsorption capacity and cholesterol adsorption capacity of IDF and SDF.Enzymatic modification also markedly improved the DPPH radical scavenging capacity and reducing power of IDF and SDF.Meanwhile,scanning electron microscopy(SEM)analysis indicated the microstructures of IDF and SDF powders were signifi cantly changed.Fourier transfer-infrared spectrometry(FT-IR)showed that snail enzyme modifi cation could degrade the part of cellulose and hemicellulose of IDF and SDF.All these improved physicochemical and functional properties of IDF and SDF might depend on their structural changes.It suggested that snail enzyme modifi cation could effectively improve physicochemical and functional properties of IDF and SDF from wheat bran. | Xin Liu Keke Suo Pei Wang Xue Li Limin Hao Jiaqing Zhu Juanjuan Yi Qiaozhen Kang Jinyong Huang Jike Lu | 2021 | Food Science and Human Wellness2021，10，3： | 10 |
| 2 | Positive effect of ethanol-induced Lactococcus lactis on alcohol metabolism in mice显示文摘It is well known that exposure to environmental stresses could enhance the adaptability of bacteria and up-regulate the expression of a variety of oxidative stress-related genes and antioxidant enzymes.It is unclear whether the adaptability of microorganisms formed naturally in special environments could transfer to other organisms.The study aimed to evaluate the effects of untreated and ethanol-induced Lactococcus lactis intracellular extracts(U-IE and E-IE)on alcohol metabolism in mice.The positive effects of E-IE on alcohol metabolism in mice were revealed by the enhanced latency of loss of righting reflex(LORR),the reduced duration of LORR,the decrease of blood alcohol concentration,as well as the elevation of alcohol dehydrogenase(ADH)activities in the stomach and liver tissues.Furthermore,the potential benefits of E-IE on the liver were evaluated by biochemical parameters including the activities of serum transaminase,the levels of antioxidant enzymes,and the pathological changes of liver tissue.The present work put forward a new point that appropriate ethanol stress could enhance the intracellular ADH activity of L.lactis,and its intracellular extracts could continue to enhance alcohol metabolism in mice. | Sisi Chen Shimin Jia Keke Suo Qiaozhen Kang Limin Hao Laizheng Lu Xin Liu Jinyong Huang Jike Lu | 2022 | Food Science and Human Wellness2022，11，5： | 1 |
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