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响应面法优化白英生物碱的超声提取工艺条件 被引量:1
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作者 陆文总 贾光锋 +2 位作者 孟祥艳 赵晨 倪原 《安徽农业科学》 CAS 2012年第12期7101-7102,7134,共3页
[目的]优选白英生物碱的最佳超声提取工艺条件。[方法]在单因素试验的基础上,选择超声时间、温度、料液比为自变量,以生物碱提取率为响应值,采用中心组合设计的方法,研究各自变量及其交互作用对生物碱提取率的影响。利用响应面分析方法... [目的]优选白英生物碱的最佳超声提取工艺条件。[方法]在单因素试验的基础上,选择超声时间、温度、料液比为自变量,以生物碱提取率为响应值,采用中心组合设计的方法,研究各自变量及其交互作用对生物碱提取率的影响。利用响应面分析方法,模拟得到二次回归方程的预测函数,并确定白英生物碱提取工艺的最适条件。[结果]最佳提取工艺条件为:超声时间53 min、温度65℃、料液比1∶20(g/ml)、提取2次;在此条件下,生物碱提取率达0.308%。[结论]该方法优选了白英生物碱的最佳超声提取工艺条件,为白英的进一步开发利用提供了依据。 展开更多
关键词 白英(nightshade) 生物碱 响应面 超声提取
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Microbiological Quality of Asadero Cheese Manufactured with a Plant Based Coagulant from <i>Solanum elaeagnifolium</i> 被引量:1
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作者 Nina del Rocío Martínez-Ruiz Sandra Flores Enriquez +1 位作者 Rosa Emma Vázquez-Nájera José Alberto López-Díaz 《Food and Nutrition Sciences》 2013年第7期75-81,共7页
In Chihuahua, north Mexico, the berries of Solanum elaeagnifolium (trompillo or silverleaf nightshade) have been used in the manufacture of artisanal filata-type asadero cheese. Solanum elaeagnifolium is a wild plant ... In Chihuahua, north Mexico, the berries of Solanum elaeagnifolium (trompillo or silverleaf nightshade) have been used in the manufacture of artisanal filata-type asadero cheese. Solanum elaeagnifolium is a wild plant that possesses proteases in its fruit;those enzymes exhibit general proteolytic activities, which are useful in traditional asadero cheesemaking as a rennet substitute. These type of cheese is softer than those made with rennin or chymosin due to their water content and proteolysis. Thus, the aim of this work was to explore microbiological susceptibility of asadero cheese made with an extract from ripe berries and compared with those elaborated with commercial rennet. Crude extract of such fruit was obtained by salting out with ammonium sulfate (40%). Cheeses were obtained by a standardized process only changing the enzyme, packaged in plastic bag or vacuum bag and storage at 4℃ -?6℃. The study included the analysis of spoilage bacteria (total aerobic count, yeasts and molds), indicators of hygiene (total coliforms and E. coli) and fecal contamination (fecal coliforms) after 1, 7, 14, 21 and 28 days of production. Although cheese made with S. elaeagnifolium had lower microbial growth, the aerobic count and yeasts and molds count of all cheese samples showing a 28 days shelf life. Total coliforms, in limits beyond the established ones by the Mexican legislation for human consumption with no effect of the enzyme type used for production, as well as for fecal coliforms. Differences were detected just for packaged method, suggesting that good manufacturing practices take place not the plant coagulant. 展开更多
关键词 Milk Coagulation PLANT COAGULANT Silverleaf nightshade Trompillo Microbiological Quality
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Solasodine Glycosides from the Eggplant in a Topical Cream Psorend<sup>BEC</sup>Are Effective against Psoriasis
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作者 Tania R. Chase Kai E. Cham Bill E. Cham 《International Journal of Clinical Medicine》 2019年第3期174-182,共9页
Background: Psoriasis is a chronic disease that can have significant effects on quality of life. Aim: To test whether the antineoplastic, antipathogenic plant derived secondary metabolites, solasodine glycosides, can ... Background: Psoriasis is a chronic disease that can have significant effects on quality of life. Aim: To test whether the antineoplastic, antipathogenic plant derived secondary metabolites, solasodine glycosides, can treat psoriasis. Case Presentation: We report a case of a 54-year-old French-Vietnamese male who presented with diagnosed erythematous scaly annular recalcitrant psoriasis scattered throughout his body. Method: After failing conventional treatment regimens for over 10 years the patient received a trial with a topical cream formulation PsorendBEC, containing solasodine glycosides, for his psoriasis. Result: Topical applications of PsorendBEC twice daily resulted in complete resolution of cutaneous lesions after 4 weeks of treatment with no recurrence post 1 year after therapy. Conclusion: Topical PsorendBEC therapy rapidly removes recalcitrant psoriasis with no apparent side effects. 展开更多
关键词 PSORIASIS BEC SOLASODINE GLYCOSIDES PsorendBEC EGGPLANT Devil’s Apple Black nightshade
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