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4) Overall liking 147 starch III that can be added to a product varies above 11%, creation of a product acceptable in organoleptic evaluation was unable to be made (Anonymous, 2003). for cake flour at 0, 5, 10, 15 and 20% with an incorporated of 40: 60 of sucrose: HFCS. The mean overall liking scores are presented in Table 26 for each of five formulations of the butter cake product. The formulation with the highest (6.96) overall liking score was formulation with 15% RS III replacement for cake flour that was not significantly different (P≥0.05) from the 10% RS III replaced treatment (6.83). However, formulation with 5% RS III replacement had the next highest overall liking score (6.63) with not significantly (P≥0.05) from control and 20% RS III replacement that had an overall liking score 6.53 and 6.06, respectively. The lowest score on overall liking in 20% RS III replace cake flour could be due to the sample had sandiness crumb. However, RS III used in this experiment that produce from high amylose rice starch, which was contained of about 20% resistant starch content. It has been experimentally determined that the amount of resistant Table 26 Mean sensory scores of butter cakes prepared with RS III replacement % RRS III replacement Control (0) Color appearance 7.20 a 5 6.40 b 10 6.73 b 15 6.86 b 20 6.40 b Senso ry scores Texture Flavor Moist- Tender Sweetness Aroma Overall ness -ness liking 6.93 a 6.73 a 6.86 a 6.43 ab 5.30 b 6.85 a 6.66 a 6.75 a 6.83 a 5.66 b 6.40 b 6.56 a 6.66 a 6.86 a 6.96 a 5.86 b 5.66 b 6.60 a 6.70 a 6.06 a 6.53 b 6.63 b 6.83 ab 6.96 a 6.06 b a,b,c…. Means within the same column with different letters are significantly different (P< 0.05) by Ducan’s New Multiple Range Test (DMRT). Hedonic scale of 1= dislike extremely, 5 = neither like nor dislike, 9 = like extremely.
2.2.3 Chemical composition of RS III replaced of the flour in butter cake following sections summarize the results. 1) Moisture content 148 The moisture content, fat, protein, ash and in vitro starch digestibility in butter cake sample using RS III substituted cake flour at 0, 5, 10, 15 and 20% with an incorporated of 40:60 of sucrose: HFCS were analyzed. The The moisture content (the quantitative determination of total water content) of a food is one indication of a food’s stability and quality (Pomeranz and Meloan, 1994). An increase in moisture content was observed as the percentage of cake flour was replaced with the RS III (Table 27). However, significant differences (P
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THESIS ENZYME-RESISTANT STARCH TYPE
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ACKNOWLEDGEMENTS I wish to express
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LIST OF TABLES Table Page 1 Classif
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LIST OF TABLES (Continued) Table Pa
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LIST OF FIGURES (Continued) Figure
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LIST OF FIGURES (Continued) Appendi
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LIST OF ABBREVIATIONS (Continued) R
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een used to produce a sample with l
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Overall objectives: OBJECTIVES 1. T
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However, it was discovered that a r
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Cassidy et al. (1994), in an intern
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fed both the 45 and 63g/100g rice s
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only about 3 g. The physiological b
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(Brown et al. 1995). This product,
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Figure 1 A detailed structure of th
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2.3 Chemical composition of rice st
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helix with only the ring oxygen poi
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Figure 5 Idealized diagram of the c
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2.5 Rice starch gelatinization Gela
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in excess water. The loss of birefr
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morphological changes occurring at
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amylose is the linear fraction of s
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units are known to inhibit retrogra
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(-1 to 43 o C) on concentrated star
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Figure 10 Schematic diagram showing
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ice due to the various cooking and
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Recently, there has been a flurry o
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3.1 Processing condition on improve
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of RS overall, 60%, among the three
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chains but liberates longer chains
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4.1 Amylolytic enzymes Three groups
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Structure and properties of β- amy
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Structure and properties: The pullu
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Action pattern: The amyloglucosidas
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methods, for instance in scanning e
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6. Low glycemic butter cake product
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Sugar increases cake volume by decr
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cereals, and baked potatoes. Low gl
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way to achieve a healthy food produ
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complexes. In the meantime, and inv
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would be only 2. In comparison, the
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ecause of an absolute decrease in t
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enhanced fat oxidation at the expen
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1. Raw Materials MATERIALS AND METH
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Methods 1. Production of resistant
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1.2.3 Degree of syneresis Degree of
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1.2.9 Starch hydrolysis rate and es
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1.3.3 Resistant starch content, sta
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2.1.1 Cake sample preparation Cake
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Nevertheless, the former refers to
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3. Experimental Design and Statisti
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essentially linear polymer of α-(1
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hydrolysis of the rice starch prehe
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a) b) Figure 15 Scanning electron m
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Page 113 and 114: Degree of syneresis (%) 70.0 60.0 5
Page 115 and 116: 1.2.7 Physicochemical properties of
Page 117 and 118: 1.2.8 In vitro starch digestibility
Page 119 and 120: 1.2.9 Hydrolysis index and glycemic
Page 121 and 122: Table 16 Effect of preheated treatm
Page 123 and 124: 1.2.10 Crystallinity of RS III 108
Page 125 and 126: Figure 22 X-ray diffraction pattern
Page 127 and 128: content. The high correlation facto
Page 129 and 130: 1.3.2 β-amylolysis (%) 114 β-amyl
Page 131 and 132: 1.3.4 In vitro starch digestibility
Page 133 and 134: 118 Non significant differences (P
Page 135 and 136: 1.4.2 Degree of hydrolysis 120 The
Page 137 and 138: 2 An application of resistant starc
Page 139 and 140: sucrose or maltose are reducing suc
Page 141 and 142: 126 The different effect of HFCS on
Page 143 and 144: 2.1.2 Sensory evaluation of HFCS re
Page 145 and 146: and objective percent moisture gene
Page 147 and 148: 132 In the dietetic cake mix of Cor
Page 149 and 150: 3) In vitro starch digestibility 13
Page 151 and 152: Table 23 Percentage (dwb) of starch
Page 153 and 154: al. (2006) reported that when gluco
Page 155 and 156: 140 volume, crust and crumb color o
Page 157 and 158: (P
Page 159 and 160: 2.2.2 Sensory evaluation of RS III
Page 161: 3) Flavor score 146 Flavor is the m
Page 165 and 166: Table 27 Mean values for chemical c
Page 167 and 168: Table 28 Percentage (dwb) of starch
Page 169 and 170: cake is lower in these samples than
Page 171 and 172: CONCLUSIONS AND RECOMMENDATIONS 156
Page 173 and 174: 158 syneresis of retrograded starch
Page 175 and 176: LITERATURE CITED Abe, J.I., K. Naka
Page 177 and 178: Biliaderis, C.G. and J. Zawastowski
Page 179 and 180: Cheng, H.H. and M.H. Lai. 2000. Fer
Page 181 and 182: Elgun, A. Z. Ertugay, M. Certel, an
Page 183 and 184: Fitt L.E. and E.M. Snyder. 1984. Ph
Page 185 and 186: Grandfeldt, A., C. Eliasson and I.
Page 187 and 188: Hoseney, R.C. 1990. Principles of C
Page 189 and 190: Juliano, B.O. and M.S. Goddard. 198
Page 191 and 192: Lavin, M., E. Eshbaugh, J.-M. Hu, S
Page 193 and 194: Ludwig, D.S. and R.H. Eckel. 2002.
Page 195 and 196: Meilgaard, M., Civille, O.V., and C
Page 197 and 198: Nakazawa, F., S. Noguchi, J.Takahas
Page 199 and 200: Piyarat, N. 2003. The assessment of
Page 201 and 202: Schoch, T. J. 1969. Non-carbohydrat
Page 203 and 204: Srinivasa Rao, P. 1970. Studies on
Page 205 and 206: Towar, J., C. Melito, E. Herrera, A
Page 207 and 208: Yuan, R.C. and D.B. Thompson. 1998.
Page 209 and 210: Appendix A Chemical analysis proced
Page 211 and 212: 2.2 Method determination 196 Total
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source and detach the extractor and
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5.3 Procedure for Preparation for S
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1) Standard curve procedure 202 Usi
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7. Reducing sugar determination by
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8. Resistant starch determination b
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8.2.3 Measurement of resistant star
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lank. starch. 210 3. Measure the ab
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Appendix B Physical analysis proced
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2. X Ray Diffraction Measurement 2.
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Appendix C Picture of some experime
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Heated debranched samples Cooled de
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Appendix Figure C4 Visuals appearan
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1. Introduction 222 There are sever
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Appendix E Experimental data 224
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Appendix Table E3 X-ray diffraction
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Appendix F List of publications 228
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NAME : Miss Jirapa Pongjanta BIRTH
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