F! Hybrid G) changed sharply with time of harvest, the pattern (relative amounts of each) was similar. For this reason, these harvests were placed closely together in the table. Since most of the varietal data represent three heads, the least significant ratio for triplicate analyses at the bottom of the table may be used to show differences. A statistical study showed a greater variation in glucosinolate concentration from head to head within openpollinated varieties than within hybrids. This was also true with common cabbage, B. olerácea (VanEtten et al., 1976).
ACKNOWLEDGMENTWe thank G. F. Spencer for assistance with the GC-MS data required for identification of some of the isothiocyanates, D. Weisleder for NMR spectra, G. B. Rose and W. P. Schroeder for technical assistance, W. F. Kwolek for the statistical treatment of the data, and B. A. Tapper of the plant chemistry division of D.S.I.R., Lincoln, New
y Irradiation of Subtropical Fruits of phosphate. The solubilities of the products of these enriched samples are not above those obtained from untreated raw material. High solubilities were obtained in reactions with ground phosphate at 450 "C but there seem to be two factors involved. One is catalysis of the reaction causing the production of soluble phosphate. The other is connected with raising the temperature which lowers the solubilities and is due to grinding and not to particle size. It seems that further studies should be done by adding to the reaction mixture compounds that will
Mangoes, papayas, and litchis processed by canning, freezing, and 7 irradiation were analyzed for their ascorbic acid, carotene, and sugar content. Both experimentally and commercially canned fruits were used as well as samples frozen for up to 3 months and irradiated with doses at least 1.25 kGy higher than those recommended for commercial irradiation. Chemical changes due to irradiation were generally small, amounting to losses of between 0 and 15%. In comparison, changes due to freezing and heat processing were considerable; losses in the order of 50 to 70% were recorded.
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AbstractThe concept of virtual cellular manufacturing systems (VCMS) is finding acceptance among researchers and practitioners as an extension to group technology. This paper is related to a research work which resulted in designing and developing VCMS, which by virtue of its abilities proves to be attractive to manufacturing organisations fitting into the category of SMEs. VCMS consists of enterprise modeller (EM), cell design manager (CDM), cell operation manager (COM), simulator (SIM), performance evaluator (PE) and report generator (REP). The``cell design manager'' is a very important constituent of the VCMS, as this module helps to generate a number of cell configurations using different algorithms. A new algorithm styled as``Better alternative to ROC (BETROC)'', which possesses many distinct features to generate a number of alternative solutions, has been developed and reported in this paper.
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