超微粉碎技术应用研究进展

超微粉碎技术作为一种新型高新技术,将导致物料结构和表面积发生一些变化,从而产生原物料不具有的新的优势,从而使此技术广泛应用于各行各业中,尤其在食品、化学、制药等方面得到较快发展。着重就超微粉碎技术在粮食与饲料中应用的国内外相关研究进行综述,以期为此技术在粮食与饲料工业中的应用提供参考,并指出今后超微粉碎技术在食品行业中的研究趋势。

Effects of High K^+ and Alkaline pH on Ultrastructure of Dunaliella salina Chloroplasts

ItwasreportedthatthegrowthofDunaliellasalinaTeod .culturedinmediumcontaining 1mol/L NaClwasalmostcompletelyinhibitedbytheadditionof 10 0mmol/LKCl.ThehighK+ (10 0mmol/LKCl) treatmentalsosignificantlyinhibitedthephotosyntheticrateofD .salinaanddecreasedchlorophyllcontentsin algae .ThisstudyfocusesonpossibleeffectsofhighK+ oralkalinepHontheultrastructuralchangeofchloro plastsinD .salina .AfterD .salinawasculturedinamediumcontaining 10 0mmol/LKClorinamedium withalkalinepHfor 8to 10days ,dramaticultrastructuralchangesoccurredinthechloroplastsincludingthy lakoidswelling ,volumeincreaseofchloroplast,andsignificantaccumulationofstarchgrainsinchloroplasts . Theresultsareconsistentwithourpreviousreportindicatingthattheultrastructuralchangesinchloroplastun derhighK+ oralkalinepHmayleadtoaninhibitoryeffectsonphotosynthesisandoverallgrowthofD .sali na .