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Table of Content

15 October 1998, Volume 19 Issue 10
Application of Modem Technologiea in Food Industy──The Membrane Separation
WANG Xiong, GUO Hong
1998, 19(10):  4-6. 
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 Application of Modem Technologiea in Food Industy──The Membrane Separation
Effect of Elicitor on the Production of Second Metabolites in Plant cell Cultrue
XIE Qiu-Ling, GUO Yong
1998, 19(10):  7-9. 
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Elicitor can be used to improve the production of second metabolites in plant cell culture because of its ability to induce phytoalexins in plant. This communication introduced the research of elicitor on plant cell culture, espacially the research about the action mechanisms of elicitor and the second messenger.
Study on the foam of steady wine
LI Guo-Ji, ZENG Xin-An, GAO Da-Wei, SHAO Xu, SONG Xian-Hua
1998, 19(10):  23-26. 
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This pspor studied on the steady wine. GC and some cbemical analysis were used to study the component of the wine foam. Results show that: to more foam sample, the content of Co2 in the headspace of the capped bottle is 57%, and that content in the wine is 1.2-1.9g/L. Total nitrogen, SO2 and tannin were also analysed. The reason of the foam froming the way of controling and defoaming were studied.
Extracting L-Hydroxyproline and L-Proline form Gelatin
SHI Qiang, SANG Li-Hong, WANG Zai-Zhen
1998, 19(10):  26-29. 
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The extraction Of L-hydroxypforine (L-HP) and L-proline (L-P) from gelatin has been studied. The hydrolysis of collagen with L-HP as the purpose amino acid was examined. Imino acid was extracted from hydrolysate by means of the invertibiliyty of indno arid nitrosylation and L-HP and L-P were separated by chromatography using D61 cation exchange resin. The purified L-HP and L-P were crystal and the yields were 4. 5% and 4% respctively.
The Qualilty of Freeze-drying Foodstuffs in Vacuum
ZHANG Jin-Lu, ZHANG Jun-Jie
1998, 19(10):  38-40. 
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The paper investigates the factors of affecting water-reabsorbing capacity, colour and bacterial infection of freeze-drying foodstuffs. It also analyses how to modify the quality of freze-drying foodstuffs.
The preparation and research of Elephant Taro jellylsweets
ZHANG Dong-Hua, ZHANG Run-Fang, LIU Yun-Hui, WANG Qing-Ping
1998, 19(10):  41-42. 
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The paper proposes a kind of method to produce jelly-sweets with elephant taro powder, carrageenan, and Xanthan as mixe jellification agents by their synergism.
Study on Effect of Microwaves on Fungal in Tea
WANG Sheng-Liang, XU Yue, CHEN Xiu-Ding
1998, 19(10):  44-46. 
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Study on Effect of Microwaves on Fungal in Tea