This articte was a perspective study on lycopene’s natural occurrence, stability, extraction bioavailability and distribution in biological fluids and tissues provide some theoeftcal bases for the development and application of lycopene.

The microencapsulated powder lard was produced by spray drying method.The effects of the ratio of the soy protein isolate (SPI) to the maltodextrin (MD), the DE value of MD and the processing conditions of the spray drying on the film structure were studied.

The soybean whey ultrafiltrating was studied on extracting the soybean oligosaccharides. It was found that under different conditions of membrane, cutmolecular weight, pressure and temperature, the ultrafiltration velocities were different along with time. In the permitted range of the module, the higher press ure and temperature showed advantages for the ultrafiltration.XHP03 was chosen as the best ultrafiltration membrane under excellent conditions.

Rheology characteristics of clarified and depectinized juicy peach juice were studied.The experiment results showed depectinized and clarified juicy peach juice was a Newtonian-type fluid.Changes in the viscosity of juicy peach juices with different temperatures at different concentration were studied .Finally a single equation describing the combined effect of temperature and concentration on the juicy peach juice viscosity was obtained.

The effects of emulsifying ingredients and gluten on the bread were studied in this paper.An optimum composite additive was obtained by various tests of different levels of ingredients The formulation was finally 0. 1%SSL. 0. 15%DOREL、0. 05%LC、0. 1%NH4HCO3。

The effects of heating conditions of raw soyamilk,GDL concentration in soyamilk and coagulating conditions on tofu-gel strength and water-holding capacity were investigated. Denaturation degree of protein had important effect on tofu-gel network formation.The optimum heating conditions of raw soymilk were 95~100℃ for about 5minutes for making tofu-gel of high strength.Water-holding capacity was independent of GDL concentration in soymilk,but th tofu-gel strength could be increased largely by increasing GDL concentration properly.With increasing coagulation temperature, coagulation time could be decreased and tofu-gel strength increased remarkably.

The processing technique of conger pike pouch made from conger pike was studied.The anti-oxidation effects of conger pike pouch affter sterilization and storaqe were discussed in detail.

Studies on the pressing strength and loss of pressed cooked ham in different heating condifions and formulations showed that, when pork meat material was portioned 100g in every pack and the other ingredients mixed were the sane as other cooked ham,the heating temperature 83℃ and heating time 50 minutes were optimum for products with of 150~170g/100g yield, lean meat ratio 90% and ingredients as usaollevels of 2.0%~3.0% starch and 0.8%~1.0%mixed food gums .Heating and cooling fesfs showed that heat transfer in pressed ham was typical in heat conductanec and heat lag in pressed ban center very significant.

Methods of NaOH liquid dousing and microwave heating were used for olive peeling to keep uniform appearance and nufrition with sugar seeping at normal temperature and 0. 03% sodium benzoate adding wore to keep a normal flavor and faste and to restrain effectively from mildewing.

Shellfish poisoning is harmful to aquatic cultivation but also threaten human being’s health greatly.Recently, the more frequent the harmful algae blooms break the more serious the shellfish poisoning threat is .Many countries environmental protection departments and hygiene departmients have paid a good deal of attention to shellfish poisoning endangerment .The paper classified and summarized the research of shellfish poisoning and approached the mechanism of shellfish poisoning, so as find out a basic way to solve the shellfish poisoning problems.

Pregnant cows were immunized during their late gestation with Human Rotavirus (R.V) and Escherichiacoli (E.coli) which would cause diarrhea in human being and induce hyperimmune antibod ies in cows The antibody levels in milk were detected by In vitro Agglutination and Reverse Indirect Hemagglutination Inhibition Test and their changes were described.It showea that the levels of hyper immune antibodies in milk resistant to E.coli and R.V.were maintained for two months, and could be maintained for another month when the cows were immunized again.

Clostridium perfringens CP with toxigenic pttential has been implicated as a causative agent of foodborne poisoning, gas gangrene, infectious diarrhea, and several veterinary diseases. In this study we used non-radioactive digoxigenin-labeled DNA probe specific for the enterotoxin gene and developed an in situ hybridization analysis for the detection of the gene.Compared with other methods, i. e.PCR for enterotoxin gene and Reverse Passive Latex Agglutination Test (PET-RPLA) for enterotoxin, it has shown high sensitivity and specificity for detection and also directly differ entiated enterotoxigenic strains of this bacterium and made the diagnosis at gene level.All the results could be identified under light microscope within a short time.

In this paper the determination conditions of flavones in soya sauve by Davis method were optimized.Flavonoids were extracted by dilute alkaline solution at pH12 for 30adn.Then the pH of thes solution was adjusted to 6 by citric acid solution.The content was measured by a colorimeter method.The precision (stdevp%) of this method was less than 3. 87%, and the average recovery was 99 .16% .The total content of flavonoids in two kinds of soy sauce made in Guangzhou was in the range of 45~50mg/100g.

This paper dealt with qualitative and quantiative analysis of the compositions of the soybean phospholipids capsule by high performance liquid chromatography (HPLC) .We adopted Waters HPLC system using a silica column (3.9mm×300mm) .Gradient elution was carried out with isopropanol hexance (4/3 1 v/v) and isopropanal-hexance-water (8/ 6/1. 5, v/v/v) By this method the compositions of soybean phospholipids in soybean phospholipids capsule could be separated completely and the composition defined qualitatively according to the retention time. The relative content of each composition could be determined according to the peak area, and the absolute content of the predominant compositions also determined according to the content of each phospholipid in the standard sample.

Hydrogen groups (OH SH CH NH and so on ) can absorb light in NIR spectrum, so it is possible to quickly inspect ethylic acid and reducing sugar in vinegar by using NIRTRS.The study showed that there was good similar linear relation ship between ethylic acid reducing sugar and transmitted spectrum from 8000~4000cm~-1 in NIR Spectrum. Similar result was applicable to the first derivative spectrum of transmitted spectrum. The regression equations were obtained by using fore selection regression to find respective special wave length.By trying 18 samples the results showed in comparison with the standard chemical analysis, the mean relative error (MRE) of ethylic acid was below 1.0% and standard error below 5.7% .The mean relative error of reducing sugar was below 2. 65% and standard error below 0. 101.The results proved that NIRTRS could quickly inspect ethylic acid and reducing sugar.

In this paper,a simple, rapid and accurate HPLC method for the simultaneous determina tion of α-γ-δ-tocopherol, the three vitamin E isomers, has been established.The separation was achieved by using ALLTIMA C18 （4. 6 × 250mm） as chromatogram column and methonol/water=98. 5/1. 5 as mobile phase. It was edtected at 296nm by photodiode array detector.The retention time of the three isomers were 13. 6237min, 11. 2615min and 8. 9608min, and their detecting limitation were 5ng、3. 5ng and 1. 4ng resectively. The contents of α-γ-δ-tocopherols in wheat germ were 41. 45 ± 1. 21mg/100g, 10. 13 ±0. 42mg/100g and 3. 79±0. 28mg/100g respectively.

PSX-5 Expandable Ion Analyzer and 501 Ammonia Gas Sensing Electrode were used to direct measurement of equilibrium electric potential at pH>12. The repetition of the same electrode potential was poor, thus was affected the precision of analysis. The experiment determined double standard solutions and samples, then used linear regression and Described working Curve determined Nitrogen Content of Amino acid oral liquid. The result shows that the method is exact、quick、 simple and convenient, and accuracy and precision is very ideal.

This paper studied the technological conditions of the priparation of Chitin and Chitosan.As a kind of coating materials,Chitosan could be coated on the egg shell to keep fresh.The effects of Chitosan on the shelf fife of egg were also discussed.

Different storage conditions of tremella were studied. The results showed that. The tremella quality was kept well under low temperature and the different temperatures aftected differently the colour,moisture carrying capacity and mouthfeel of tremella, The optimum refreshing formulation of staled dry tremella was sucrose ester 0. 03g, citrate 0. 002~0.02g, glucopyrone 0. 005g, β-cyclodextrin 0. 015g and amylase 0. 019 per kilogram tremella.

This article studied the shape stability of canned light yam by the processing of concentration of CaCl2 solution, treatment time of yam stem tuber in CaCl2 solution and optimal sterilization time (sterilization temperature as 95100℃. It also analyzed the main causes of hydration and shape distortion of canned light yan and the basic principle that CaCl2 solution and heating treatment used to prevent the hydration of shape destortion of stem tuber of canned light yam .The result showed that CaCl2 solution and heating treatment could form a layer hard on the face of yam stem tuber in different thickness which might prevent the varying degree of hydration and distortion of yam stem tuber .When CaCl2 concentration in protect-color solution was 0. 5%1.0% treatment time of yan stem tuber in the solution 120min and sterilization time 2040min the shape stability of canned light yan showed optimalresult.