Biochemistry2558
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Transcript of Biochemistry2558
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ÃŒÍÂÅТͧÊÒõ‹Ò§ æ ã¹Ã‹Ò§¡ÒÂ
¹éíÒ â»ÃµÕ¹ ÅÔ¾Ô´
¤ÒÃ�âºäÎà´Ãµ ÊÒÃ͹Թ·ÃÕÂ�Í×è¹ æ ÊÒÃÍÔ¹·ÃÕÂ�Í×è¹ æ
Substance • Inorganic substance --> mineral, H2O, O2
• Organic substance --> starch, glycogen, cellulosesugar, vitamin, lipid, protein, and nucleic acid
¾Ñ¹¸Ðà¤ÁÕ (Chemical Bonds)
ÍеÍÁÊÒÁÒöÃÇÁ¡Ñ¹¡ÅÒÂ໚¹âÁàÅ¡ØÅ ŒÇ¾ѹ¸Ð·Ò§à¤ÁÕ â´Âã¹ÊÔè§ÁÕªÕÇÔµÁվѹ¸Ð·ÕèÊíÒ¤ÑÞä Œá¡‹
1. Covalent bond ໚¹¾Ñ¹¸Ð·Õèà¡Ô´¨Ò¡¡ÒÃ㪌 electron ËÇÁ¡Ñ¹µÑé§áµ‹ 2 ÍеÍÁ ઋ¹ H2 , O2 , H2O , CH4 ໚¹µŒ¹
1.1 nonpolar covalent ໚¹¡ÒÃ㪌 electron ËÇÁ¡Ñ¹ â´Â electron ÇÔè§ÃͺÍеÍÁ·Ñé§Êͧ෋ҡѹ ઋ¹ H2 , O2 áÅÐ CH4
1.2 polar covalent ໚¹¡ÒÃ㪌ÍÔàÅ硵Ã͹ËÇÁ¡Ñ¹ â´ÂÍеÍÁ·ÕèÁÕ EN ÊÙ§ ¨Ð´Ö§ electron ÁÒã¡ÅŒµÑÇÁÒ¡¡Ç‹Ò Ö§·íÒãËŒÁÕ»ÃÐ Ø àª‹¹H2O
ÍÍ¡«ÔਹÁÕ EN ÊÙ§ÊÒÁÒö´Ö§ electron ࢌÒÁÒǹÃͺµÑÇàͧ䴌ÁÒ¡¡Ç‹Ò H Ö§·íÒãËŒ O ໚¹Åº H ໚¹ºÇ¡
2. Ionic bond ໚¹¾Ñ¹¸Ð·Õèà¡Ô´¢Öé¹ÃÐËÇ‹Ò§ÍеÍÁ·ÕèÁÕ»ÃШص‹Ò§¡Ñ¹ ઋ¹ NaCl à¡Ô´¨Ò¡ÍеÍÁ¢Í§ Na ãËŒ electron á¡‹ Cl ¡ÅÒÂ໚¹ Na+ ¢³Ð·Õè Cl ¡ÅÒÂ໚¹ Cl- ¼Å·íÒãËŒ electron ǧ¹Í¡¢Í§ÍеÍÁ Na áÅÐ Cl ¤Ãº 8 ¡ÅÒÂ໚¹ÊÒûÃСͺ NaCl
3. Hydrogen bond ໚¹¾Ñ¹¸Ð·ÕèäÁ‹á¢ç§áç à¡Ô´¡Ñº H·Õèµ‹Í ŒÇ covalent bond ¡ÑºÍеÍÁ¢Í§¸ÒµØ·Õè Ö§ Ù´ electronä Œ Õ àª‹¹ N ËÃ×Í O â´Â electron 㹾ѹ¸Ð¹Ñé¹ ¨Ð Ö§ Ù´ä»ã¡ÅŒ N ËÃ×Í O ÁÒ¡¨¹·íÒãËŒ H à¡Ô´à»š¹»ÃÐ¨Ø + ·íÒãËŒÊÒÁÒö Ö§ Ù´¡ÑºÍеÍÁÍ×è¹·ÕèÁÕ electron ÁÒ¡ ઋ¹ O ËÃ×Í N
4. Van der Waals interaction ໚¹áç Ö§ Ù´ÃÐËÇ‹Ò§âÁàÅ¡ØÅËÃ×ÍÀÒÂã¹âÁàÅ¡ØÅà ÕÂǡѹ ÁռŷíÒãËŒà¡Ô´ÃٻËҧ¢Í§âÁàÅ¡ØÅ
5. Hydrophobic interaction áç Ö§ Ù´ÃÐËÇ‹Ò§âÁàÅ¡ØÅ·ÕèäÁ‹ªÍº¹éíÒ (hydrophobic)
¤ÇÒÁÊíÒ¤Ñޢͧ¹éíÒ • ʋǹ»ÃСͺ¢Í§à«ÅÅ�
• ¡ÒÃÅíÒàÅÕ§ÊÒÃ
• µÑÇ¡Åҧ㹡Ò÷íÒ» Ô¡ÔÃÔÂÒ
• ª‹Ç¤Ǻ¤ØÁÍسËÀÙÁÔ
• ¡ÒâѺ¶‹ÒÂáÅСíҨѴ¢Í§àÊÕÂ
Mineral • á˸ҵØËÃ×Íà¡Å×ÍáË໚¹ÊÒÃÍÒËÒÃÍÕ¡»ÃÐàÀ·Ë¹Ö觷ÕèËҧ¡ÒÂ
µŒÍ§¡ÒÃáÅТҴäÁ‹ä Œ à¾ÃÒÐá˸ҵغҧª¹Ô´à»š¹Ê‹Ç¹»ÃСͺ¢Í§ÍÇÑÂÇÐáÅСŌÒÁà¹×éͺҧÍ‹ҧ ઋ¹ ¡ÃÐ Ù¡ ¿˜¹ àÅ×Í´ ºÒ§ª¹Ô´à»š¹Ê‹Ç¹¢Í§ÊÒõ‹Ò§ æ ·Õèà¡ÕèÂǡѺ¡ÒÃà¨ÃÔÞàµÔºâµã¹Ã‹Ò§¡Ò ઋ¹ÎÍÃ�âÁ¹ àÎâÁâ¡ÅºÔ¹ à͹ä«Á� ໚¹µŒ¹
• ¹Í¡¨Ò¡¹Õéá˸ҵØÂѧª‹ÇÂ㹡ÒäǺ¤ØÁ¡Ò÷íÒ§Ò¹¢Í§ÍÇÑÂÇе‹Ò§ æ¢Í§Ã‹Ò§¡ÒÂãËŒ·íÒ˹ŒÒ·Õ軡µÔ ઋ¹ ¤Çº¤ØÁ¡Ò÷íÒ§Ò¹¢Í§¡ÅŒÒÁà¹×éÍáÅÐÃкº»ÃÐÊÒ· ¡ÒÃá¢ç§µÑǢͧàÅ×Í´ áÅЪ‹Ç¤Ǻ¤ØÁÊÁ ØŢͧ¹éíÒ㹡ÒÃäËÅàÇÕ¹¢Í§¢Í§àËÅÇã¹Ã‹Ò§¡Ò ໚¹µŒ¹
á¤Åà«ÕÂÁ (calcium)
• »ÃÐ⪹�
– ໚¹Ê‹Ç¹»ÃСͺ·ÕèÊíÒ¤Ñޢͧ¡ÃÐ Ù¡áÅп˜¹
–¤Çº¤ØÁ¡Ò÷íÒ§Ò¹¢Í§ËÑÇ㨠¡ÅŒÒÁà¹×éÍáÅÐÃкº»ÃÐÊÒ·
– ໚¹¸ÒµØ·ÕèÊíÒ¤ÑÞª‹ÇÂ㹡ÒÃá¢ç§µÑǢͧàÅ×Í´
¿ÍÊ¿ÍÃÑÊ (phosphorus)
• »ÃÐ⪹�
– ໚¹Ê‹Ç¹»ÃСͺ·ÕèÊíÒ¤Ñޢͧ¡ÃÐ Ù¡áÅп˜¹
–ª‹ÇÂÊÌҧà͹ä«Á�·ÕèÁÕâ»ÃµÕ¹áÅФÒÃ�âºäÎà´Ãµ
–ª‹ÇÂÊÌҧà«ÅÅ�ÊÁͧáÅлÃÐÊÒ·
â¾á·Êà«ÕÂÁ (potassium)
• »ÃÐ⪹�
–¤Çº¤ØÁ¡Ò÷íÒ§Ò¹¢Í§¡ÅŒÒÁà¹×éÍ â´Â੾ÒСŌÒÁà¹×éÍËÑÇã¨
–¤Çº¤ØÁ¡Ò÷íÒ§Ò¹¢Í§Ãкº»ÃÐÊÒ·
–ÃÑ¡ÉÒ»ÃÔÁÒ³¹éíÒã¹à«ÅÅ�ãËŒ¤§·Õè
â«à´ÕÂÁ (sodium)
• »ÃÐ⪹�
–¤Çº¤ØÁ¡Ò÷íÒ§Ò¹¢Í§¡ÅŒÒÁà¹×éÍáÅÐÃкº»ÃÐÊÒ·
–ÃÑ¡ÉÒ»ÃÔÁÒ³¹éíÒã¹à«ÅÅ�ãËŒ¤§·Õè
–ÃÑ¡ÉÒ¤ÇÒÁ໚¹¡Ã´- ‹Ò§¢Í§Ã‹Ò§¡ÒÂãËŒÍÂÙ‹ã¹ÊÀÒ¾ÊÁ ØÅ
àËÅç¡ (iron)
• »ÃÐ⪹�
– ໚¹Ê‹Ç¹»ÃСͺ¢Í§àÎâÁâ¡ÅºÔ¹ã¹àÁç´àÅ×Í´á´§
– ໚¹Ê‹Ç¹»ÃСͺ¢Í§à͹ä«Á�·Õè·íÒ˹ŒÒ·Õè㹡ÒÃËÒÂã¨
áÁ§¡Ò¹ÕÊ (manganese)
• ÍѹµÃÒ¨ҡ¡ÒâҴ
–·íÒãˌ໚¹ÍÑÁ¾Òµä Œ
–ÍÒ¡Òêѡã¹à ç¡
– àÇÕ¹ÈÕÃÉÐáÅÐäÁ‹ÊÒÁÒÃ¶ä ŒÂÔ¹
·Í§á´§ (copper)
• »ÃÐ⪹�
–ª‹ÇÂ㹡Òà ٴ«ÖÁ¸ÒµØàËÅç¡
–ª‹ÇÂÊÌҧàÎâÁ⡺ÔÅã¹àÁç´àÅ×Í´á´§
– ໚¹Ê‹Ç¹»ÃСͺ¢Í§à͹ä«Á�ºÒ§ª¹Ô´
·Í§á´§ (copper)
• ÍѹµÃÒ¨ҡ¡ÒâҴ
–ÁÑ¡¾ºã¹·Òá·Õè¤ÅÍ´¡‹Í¹¡íÒ˹´ áÅÐÁÕ¹éíÒ˹ѡáá¤ÅÍ´¹ŒÍÂ¡Ç‹Ò 1,500 ¡ÃÑÁ¨Ðà¡Ô´ÀÒÇÐâÅËÔµ¨Ò§ ͋͹à¾ÅÕ ËÒÂ㨼Դ»¡µÔ
âä¤Í¾Í¡ (simple goiter)
• ¢Ò´¸ÒµØäÍâÍ Õ¹·Õè㪌ÊÌҧÎÍÃ�âÁ¹ä·ÃÍ¡«Ô¹¢Í§µ‹ÍÁä·ÃÍ � ·íÒãËŒµ‹ÍÁ¹Õé·íҧҹ˹ѡ µ‹ÍÁ¨Ö§ÁÕ¢¹Ò´âµ¢Öé¹
• »˜¨¨ØºÑ¹ÁÕ¡ÒÃóç¤�ãËŒ»ÃЪҪ¹ºÃÔâÀ¤ÍÒËÒ÷ÕèàµÔÁäÍâÍ Õ¹à¾×èÍ»‡Í§¡Ñ¹âä¤Í¾Í¡ ઋ¹ ¹éíÒ»ÅÒäÍâÍ Õ¹ 䢋à¤çÁäÍâÍ Õ¹ à¡Å×ÍäÍâÍ Õ¹à»š¹µŒ¹
¿ÅÙÍÍäô� (fluoride)
• »ÃÐ⪹�
–ª‹ÇÂ㹡Òà ٴ«ÖÁ¸ÒµØàËÅç¡
– ໚¹Ê‹Ç¹»ÃСͺ¢Í§ÊÒÃà¤Å×ͺ¿˜¹ ·íÒãËŒ¿˜¹á¢ç§áç »‡Í§¡Ñ¹¿˜¹¼Ø
áÁ¡¹Õà«ÕÂÁ (magnesium)
• ÍѹµÃÒ¨ҡ¡ÒâҴ
– ໚¹Ê‹Ç¹»ÃСͺ¢Í§¡ÃÐ Ù¡ áÅÐàÅ×Í´
– à¡Ô´ÍÒ¡ÒüԴ»¡µÔ·Ò§Ãкº»ÃÐÊÒ·áÅСŌÒÁà¹×éÍ ÍÒ¨à¡Ô´ÍÒ¡Òêѡ
Mineral • ¡ÒùíÒá˸ҵØä»ãªŒã¹¾×ª
–â«à ÕÂÁäÍÍ͹ (Na+)
–â¾á·Êà«ÕÂÁäÍÍ͹ (K+)
–á¤Åà«ÕÂÁäÍÍ͹ (Ca2+)
–ä¹àµÃ´äÍÍ͹ (NO3- )
• ¾×ª¨Ð¹íÒࢌÒÊÙ‹ÃÒ¡ä Œ â´ÂäÍÍ͹àËÅ‹Ò¹Õé·ÕèÅÐÅÒÂÍÂÙ‹ã¹¹éíÒ
¤ÇÒÁÊíÒ¤Ñޢͧá˸ҵØ
• ÃÑ¡ÉÒÊÁ ØŢͧ¡Ã´-àºÊ
• ໚¹µÑÇà˧»¯Ô¡ÔÃÔÂÒ
• ʋǹ»ÃСͺ¢Í§Ã‹Ò§¡ÒÂ
• ¤Çº¤ØÁÊÁ ØŢͧ¹éíÒ
• ¤Çº¤ØÁ¡Ò÷íÒ§Ò¹¢Í§à«ÅÅ�¡ÅŒÒÁà¹×éÍáÅÐà«ÅÅ�»ÃÐÊÒ·
Biological molecule
• à¡Ô´¨Ò¡ C ÃÇÁ¡Ñº H ¡ÅÒÂ໚¹ÊÒûÃСͺäÎâ´Ã¤ÒÃ�ºÍ¹
• functional group ËÁÒ¶֧ ÍеÍÁËÃ×Í¡ÅØ‹Á¢Í§ÍеÍÁ «Öè§ÁÕ¡ÒÃáÊ´§ÍÍ¡·Õè¨íÒà¾Òе‹ÍâÁàÅ¡ØŢͧÊÒ÷Õè·íÒ»¯Ô¡ÔÃÔÂÒ
¤ÒÃ�âºäÎà´Ãµ(Carbohydrate)
• ÍѵÃÒʋǹ H : O = 2 : 1
• ÊÙµÃâÁàÅ¡ØÅ·ÑèÇä»à»š¹ (CH2O)n â´Â·Õè n ÁÕ¤‹ÒµÑé§áµ‹ 3 ¢Öé¹ä»
ËÃ×Í Cx(H2O)y â´Â·Õè x ÁÕ¤‹ÒµÑé§áµ‹ 3 ¢Öé¹ä»
• ẋ§Í͡໚¹ 3 ¡ÅØ‹Á
monosaccharide
oligosaccharide
polysaccharide
¡ÒÃÍ‹Ò¹ª×èÍÁÍâ¹á«ç¡¤Òäô�
¨íҹǹÍеÍÁ¤ÒÃ�ºÍ¹ ª×èÍÁÍâ¹á«ç¡¤Òäô�
3 triose
4 tetrose
5 pentose-ribose
6 hexose
7 heptose
áËÅ‹§·Õ辺
• Glucose ---> ¾ºã¹¢ŒÒÇ ¢ŒÒÇâ¾´ ¼ÅäÁŒ ¹éíÒ¼Öé§ áÅмѡ
• Galactose----> ¾ºã¹¹éíÒ¹ÁáÅмÅÔµÀѳ±�¨Ò¡¹Áᵋ¾ºã¹ÃÙ»¢Í§ lactose áÅж١‹ÍÂÊÅÒÂâ´Âà͹ä«Á� lactase ä Œà»š¹galactose
• Fructose ---> ¾ºã¹¹éíÒàª×èÍÁ ¢ŒÒÇâ¾´ ¼ÅäÁŒ ¹éíÒ¼Öé§ ¼Ñ¡µ‹Ò§ æáÅÐã¹¹éíÒàÅÕé§ÍÊØ¨Ô ¨Ñ´à»š¹¹éíÒµÒÅ·ÕèÁÕ¤ÇÒÁËÇÒ¹ÁÒ¡·ÕèÊØ´
Oligosaccharide
• à¡Ô´¨Ò¡ monosaccharide µÑé§áµ‹ 2-10 âÁàÅ¡ØŨѺµÑǡѹŒÇ glycosidic bond â´Â Oligosaccharide ·Õè
»ÃСͺ ŒÇ monosaccharide 2 âÁàÅ¡ØÅ àÃÕ¡NjÒdisaccharide
• Sucrose ໚¹¹éíÒµÒÅ·Õè㪌»ÃСͺÍÒËÒà ¾ºä Œ·ÑèÇä»ã¹¼ÅäÁŒ¾×ªµ‹Ò§ æ ઋ¹ ¹éíÒµÒÅ·Õèä Œ¨Ò¡ÍŒÍ ÁоÌÒÇáÅеÒÅ
• Maltose ¾ºã¹¢ŒÒÇÁÍŵ� áÅÐà¡Ô´¨Ò¡¡ÒËÍÂệ§ «Öè§à»š¹Çѵ¶Ø Ժ㹡ÒûÃСͺÍÒËÒà áÅТ¹ÁËÇÒ¹
• Lactose ໚¹¹éíÒµÒÅã¹¹éíÒ¹Á«Öè§à»š¹áËÅ‹§ÍÒËÒÃÊíÒ¤ÑޢͧÊѵÇ�àÅÕé§ÅÙ¡ ŒÇ¹Á ã¹¹éíÒ¹Á¢Í§ÁÒôÒÁÕ lactose ¶Ö§ÃŒÍÂÅÐ 70äÁ‹¾ºã¹¾×ª
Polysaccharide
• à¡Ô´¨Ò¡ monosacharide µÑé§áµ‹ 11 ¨¹¶Ö§ 1,000 âÁàÅ¡Øŵ‹Í¡Ñ¹à»š¹ polysaccharide ᵡµ‹Ò§¡Ñ¹·Õ誹ԴáÅШíҹǹ¢Í§ monosacharide ·Õè໚¹Í§¤�»ÃСͺ ºÒ§ª¹Ô´à»š¹ÊÒÂâ«‹ÂÒǵç ºÒ§ª¹Ô´ÁÕ¡Ô觡ŒÒ¹á¡ÍÍ¡ä»
• µÑÇÍ‹ҧ¢Í§ polysaccharide ·Õè»ÃСͺ ŒÇ glucoseÁÒµ‹Í¡Ñ¹ ઋ¹ cellulose ໚¹ÊÒÃÍÔ¹·ÃÕÂ�·ÕèÁÕÁÒ¡·ÕèÊØ´ã¹âÅ¡·íÒ˹ŒÒ·Õè໚¹â¤Ã§ÊÌҧËÅÑ¡¢Í§¼¹Ñ§à«ÅÅ�¾×ª
˹ŒÒ·Õè¢Í§¤ÒÃ�âºäÎà´Ãµ • ¾Åѧ§Ò¹ÊÐÊÁ ¾×ªà¡çº¾Åѧ§Ò¹¨Ò¡áʧÍÒ·ÔµÂ�ã¹ÃÙ»¢Í§
monosacharide áÅÐ starch
• ÊѵÇ�à¡çº¾Åѧ§Ò¹·ÕèàËÅ×ͨҡ¡ÒÃà¼Ò¼ÅÒÞ¹éíÒµÒÅã¹ÃÙ»¢Í§glycogen
• ໚¹â¤Ã§ÊÌҧ¢Í§ÊÔè§ÁÕªÕÇÔµ (cellulose, chitin, cell wall)
• ໚¹Í§¤�»ÃСͺ¢Í§ nucleic acid, ribose ¢Í§ RNAáÅÐ deoxyribose ¢Í§ DNA
• ÃÇÁ¡Ñº protein ËÃ×Í lipid ໚¹ glycoprotein ËÃ×Íglycolipid «Öè§à»š¹Ê‹Ç¹»ÃСͺ¢Í§ cell membrane
• Peptide »ÃСͺ ŒÇ amino acid µ‹Í¡Ñ¹à»š¹ÊÒ àÃÕ¡µÒÁ¨íҹǹ amino acid ·ÕèÁÒµ‹Í¡Ñ¹ ŒÇ covalence bond
• dipeptide »ÃСͺ ŒÇ amino acid 2 ˹‹ÇÂ
• tripeptide »ÃСͺ ŒÇ amino acid 3 ˹‹ÇÂ
• amino acid ¨íҹǹÁÒ¡àÃÕÂ¡Ç‹Ò polypeptide
• Amino acid ·ÕèËҧ¡ÒµŒÍ§¡ÒÃáÅÐÊѧà¤ÃÒÐË�¢Öé¹àͧäÁ‹ä ŒµŒÍ§ä ŒÃѺ¨Ò¡ÍÒËÒà àÃÕÂ¡Ç‹Ò essential amino acid ʋǹamino acid ·ÕèËҧ¡ÒÂÊÒÁÒöÊѧà¤ÃÒÐË�ä Œàͧ àÃÕ¡NjÒnonessential amino acid ᵋ¶Ö§Í‹ҧäÃËҧ¡Ò¢ͧ¤¹àÃҡ経ͧ¡Òà amino acid ·Ñé§Êͧª¹Ô´
Essential Conditionally Nonessential Nonessential
Histidine Arginine Alanine
Isoleucine Cysteine Aspartate Leucine Glutamine Glutamate Lysine Glycine Selenocysteine
Methionine Proline
Pyrrolysine Phenylalanine Serine Threonine Tyrosine Tryptophan Asparagine
Valine
Ornithine
• ¤×Í ÊÒûÃСͺ·ÕèÅÐÅÒÂä Œ¹ŒÍÂã¹¹éíÒ áµ‹ÅÐÅÒÂä Œ Õã¹µÑÇ·íÒÅÐÅÒÂã¹ÊÒÃÍÔ¹·ÃÕÂ� ઋ¹ ether, benzene,chloroform, ethanol ໚¹µŒ¹
• »ÃСͺ ŒÇ C, H, O ᵋÁÕÍѵÃÒʋǹ¨íҹǹ H : OäÁ‹à·‹Ò¡Ñº 2:1 àËÁ×͹ carbohydrate
• ẋ§Í͡໚¹ fat, oil, phospholipid, wax, steroid
Lipid
• ãËŒ¾Åѧ§Ò¹ 9kcal/g ᵋ carbohydrate áÅÐ proteinãËŒ¾Åѧ§Ò¹ 4 kcal/g àÁ×èÍÁÕ¹éíÒ˹ѡ෋ҡѹ
• »‡Í§¡Ñ¹¡ÒÃÊÙÞàÊÕ¹éíÒ à»š¹©¹Ç¹ª‹Ç¤Ǻ¤ØÁÍسËÀÙÁԢͧËҧ¡Ò áÅл‡Í§¡Ñ¹¡ÒáÃзº¡ÃÐá·¡¢Í§ÍÇÑÂÇÐÀÒÂã¹
• ẋ§µÒÁâ¤Ã§ÊÃŒÒ§ä Œà»š¹ 3 ª¹Ô´ ¤×Í
–simple lipid
–complex lipid
–derived lipid
• simple lipid »ÃСͺ ŒÇ fatty acid áÅÐ alcoholä Œá¡‹ fat oil wax
• Fat ÁÕʶҹÐ໚¹¢Í§á¢ç§·ÕèÍسËÀÙÁÔˌͧ ʋǹ oil ໚¹¢Í§àËÅÇ·ÕèÍسËÀÙÁÔˌͧ ÊíÒËÃѺ wax ໚¹ÊÒ÷Õè»ÃСͺ ŒÇ fatty acid âÁàÅ¡ØÅãËÞ‹¡Ñº alcohol ÁÑ¡äÁ‹ÅÐÅÒ¹éíÒ ¾ºµÒÁ¼ÔÇ˹ѧ ãºäÁŒáÅмÅäÁŒºÒ§ª¹Ô´
• âÁàÅ¡ØŢͧ fat áÅÐ oil »ÃСͺ ŒÇ alcohol ·ÕèàÃÕÂ¡Ç‹Ò glycerol and fatty acid
• ÊÒûÃСͺ alcohol ÁÕÊٵ÷ÑèÇä» R-OH
• ÊÙµÃâÁàÅ¡ØŢͧ glycerol ໚¹ C3H5(OH)3 ѧ¹Ñé¹ glycerol¨Ö§à»š¹ÊÒûÃÐàÀ· alcohol
• ¨íҹǹ fatty acid ã¹âÁàÅ¡ØŢͧ fat áÅÐ oil
–˹Öè§âÁàÅ¡ØÅ àÃÕÂ¡Ç‹Ò monoglyceride
–ÊͧâÁàÅ¡ØÅàÃÕÂ¡Ç‹Ò diglyceride
–ÊÒÁâÁàÅ¡ØÅàÃÕÂ¡Ç‹Ò triglyceride «Öè§à»š¹ lipid ·Õ辺ÁÒ¡·ÕèÊØ´ã¹ÊѵÇ�áÅоת
• Fatty acid ẋ§Í͡໚¹ 2 ª¹Ô´ ¤×Í
– saturated fatty acid
– unsaturated fatty acid
• saturated fatty acid ÁÕ¤ÒÃ�ºÍ¹·Ø¡ÍеÍÁµ‹Í¡Ñ¹ÍÂÙ‹´ŒÇ single bond
• unsaturated fatty acid ÁÕºÒ§¾Ñ¹¸ÐÃÐËÇ‹Ò§ÍеÍÁ¢Í§¤ÒÃ�ºÍ¹à»š¹ double bond
Vit.C, E, A บเอชเอ (BHA : Butylate hydoxyanisole) หรอบเอชท ((BHT : Butylate hydoxytoluene)
• ËÒ¡ÃѺ»ÃзҹÍÒËÒ÷Õè»ÃСͺ ŒÇ oil ËÃ×Í saturatedfatty acid ÁÒ¡à¡Ô¹ä» ÁռŷíÒãËŒà¡Ô´ä¢ÁѹÍØ´µÑ¹ã¹ËÅÍ´àÅ×Í´ áÅÐâäËÑÇ㨢ҴàÅ×Í´
• saturated fatty acid ä Œ Ò¡ä¢ÁѹÊѵÇ� ઋ¹ à¹Â ¹éíÒÁѹ¨Ò¡ÊѵÇ� áÅйéíÒÁѹ¾×ªºÒ§ª¹Ô´ ઋ¹ ¹éíÒÁѹÁоÌÒÇ ¹éíÒÁѹ»ÒÅ�Á໚¹µŒ¹
• unsaturated fatty acid ä Œ Ò¡¹éíÒÁѹ¾×ªÊ‹Ç¹ãËÞ‹ ઋ¹ ¹éíÒÁѹ¢ŒÒÇâ¾´ ¹éíÒÁѹ¶ÑèÇàËÅ×ͧ ¹éíÒÁѹ¨Ò¡àÁÅç´·Ò¹µÐÇѹ ໚¹µŒ¹
• Essential fatty acids ; alpha-linolenic acid(an omega-3 fatty acid) and linoleic acid(an omega-6 fatty acid), arachidonic acid
• conditionally essential ; gamma-linolenic acid(an omega-6 fatty acid), lauric acid(a saturated fatty acid), and palmitoleic acid(a monounsaturated fatty acid)
• Non-Essential fatty ; butyric acid
• complex lipid »ÃСͺ ŒÇ fatty acid áÅÐ alcohol·ÕèÁÕÊÒûÃСͺÍ×è¹à¨×Í»¹ ઋ¹ phospholipid & glycolipid
• phospholipid ໚¹ä¢Áѹ·ÕèÁÕâ¤Ã§ÊÌҧ·Ò§à¤ÁդŌÒ¡Ѻtriglyceride ᵡµ‹Ò§¡Ñ¹·ÕèËÁÙ‹¢Í§ fatty acid 1 ËÁÙ‹¨ÐÁÕËÁÙ‹phosphate ໚¹Í§¤�»ÃСͺ
• phospholipid ໚¹Í§¤�»ÃСͺËÅÑ¡¢Í§ cell membrane
• glycolipid ໚¹ lipid ·ÕèÁÕ carbohydrate ໚¹Í§¤�»ÃСͺ¾ºÁÒ¡ã¹ àÂ×èÍËØŒÁà«ÅÅ� áÅÐà¹×éÍàÂ×èÍ»ÃÐÊÒ·ÊÁͧ
• derived lipid ໚¹ÊÒûÃСͺ·ÕèÁÕâ¤Ã§ÊÌҧᵡµ‹Ò§¨Ò¡lipid ·ÑèÇä» ã¹·Õè¹Õé Ѵ໚¹ lipid ª¹Ô´Ë¹Öè§ à¹×èͧ¨Ò¡ÁÕÊÁºÑµÔ·Ò§ physics ¤ÅŒÒ lipid Í×è¹ àª‹¹ ÅÐÅÒÂä Œã¹ÊÒÃÅÐÅÒÂÍÔ¹·ÃÕÂ� µÑÇÍ‹ҧ derived lipid ·ÕèÊíÒ¤ÑÞ àª‹¹
• Steroid ÁÕâ¤Ã§ÊÌҧ·ÑèÇä»à»š¹Ç§áËǹ 4 ǧ »ÃСͺ ŒÇ¨íҹǹÍеÍÁ¢Í§¤ÒÃ�ºÍ¹ 17 ÍеÍÁ áÅÐ ËÁÙ‹ R «Ö觨Ðᵡµ‹Ò§¡Ñ¹µÒÁᵋª¹Ô´¢Í§ steroid
• steroid ·Õ辺·ÑèÇ令×Í cholesterol ໚¹Í§¤�»ÃСͺ¢Í§cell membrane steroid ºÒ§ª¹Ô´à»š¹ sex hormoneઋ¹ progesterone, testosterone
Nucleic acid
• ¨Ñ´à»š¹ biomolecule ·ÕèÁÕ¢¹Ò´ãËÞ‹·íÒ˹ŒÒ·Õèà¡çºáÅж‹Ò·ʹ¢ŒÍÁÙÅ·Ò§¾Ñ¹¸Ø¡ÃÃÁ¢Í§ÊÔè§ÁÕªÕÇÔµ ¨Ò¡ÃØ‹¹Ë¹Öè§ä»ÂѧÃØ‹¹µ‹Íä»ãËŒáÊ´§Åѡɳе‹Ò§ æ ¢Í§ÊÔè§ÁÕªÕÇÔµ ¹Í¡¨Ò¡¹ÕéÂѧ·íÒ˹ŒÒ·Õè¤Çº¤ØÁ¡ÒÃà¨ÃÔÞàµÔºâµáÅСÃкǹ¡Òõ‹Ò§ æ ¢Í§ÊÔè§ÁÕªÕÇÔµ ẋ§Í͡໚¹
–DNA (deoxyribonucleic acid)
–RNA (ribonucleic acid)
• âÁàÅ¡ØŢͧ nucleic acid »ÃСͺ ŒÇÂ˹‹Ç‹ͷÕèàÃÕ¡NjÒnucleotide ѧÀÒ¾ âÁàÅ¡ØŢͧ nucleotide »ÃСͺ ŒÇÂʋǹ‹Í 3 ʋǹ ä Œá¡‹ phosphate group, pentose,nitrogenous base ໚¹Í§¤�»ÃСͺ
• nucleotide ÁÕÍÂÙ‹ ŒÇ¡ѹËÅÒª¹Ô´ ᵡµ‹Ò§¡Ñ¹µÒÁʋǹ»ÃСͺ·Õè໚¹ base, sugar
• ¹Í¡¨Ò¡¹Õé nucleotide Âѧ໚¹ÊÒÃãËŒ¾Åѧ§Ò¹ ઋ¹ ATP(adenosine triphosphate) â´Â nucleotide ¨ÐàÃÕ§µÑÇÍ‹ҧµ‹Í¡Ñ¹à»š¹ÊÒÂÂÒÇ àÃÕÂ¡Ç‹Ò polynucleotide
• âÁàÅ¡ØÅ DNA »ÃСͺ ŒÇ polynucleotide 2 ÊÒ àÃÕ§µÑÇÊÅѺ·ÔÈ·Ò§¡Ñ¹áÅÐÁÕʋǹ¢Í§ base àª×èÍÁµ‹Í¡Ñ¹ ŒÇÂhydrogen bond ѧÀÒ¾âÁàÅ¡ØźԴ໚¹à¡ÅÕÂǤŌÒºѹä´àÇÕ¹ʋǹ RNA ໚¹ polynucleotide à¾Õ§ÊÒÂà ÕÂÇ
• DNA áÅÐ RNA ÁÕ sugar ·Õè໚¹Í§¤�»ÃСͺµ‹Ò§¡Ñ¹ ã¹DNA ໚¹Ê‹Ç¹ deoxyribose sugar ʋǹ㹠RNA ໚¹Ê‹Ç¹ribose sugar â´Â base ·Õ辺㹠DNA áÅÐ RNA ÁÕºÒ§ª¹Ô´·ÕèàËÁ×͹¡Ñ¹ áÅкҧª¹Ô´µ‹Ò§¡Ñ¹
ÇÔµÒÁÔ¹ (Vitamin)
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Enzyme • Enzyme ¨Ñ´à»š¹ biocatalyst ·íÒãËŒÍѵÃÒàÃçǢͧ reaction
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• â´Â substrate ¨ÐࢌҨѺËÃ×Í·íÒ reaction ¡Ñº enzymeáÅŒÇä Œ product ÍÍ¡ÁÒ
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• 1. Enzyme ໚¹ catalyst ·Õè specificity ·Ñ駵‹Í substrate, product, reaction
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