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Õª Òª£ºÄ¿µÄ   ·ÖÎöÄɶ¹ÖеĵÄÖ÷Òª»Ó·¢ÐԳɷ֡£·½·¨  ²ÉÓùÌÏà΢ÝÍÈ¡·¨ÌáÈ¡¡¢¸»¼¯Äɶ¹ÖеĻӷ¢ÐԳɷ֣¬ÓÃÆøÏàÉ«Æ×Ò»ÖÊÆ×·¨(GC—MS)¶ÔÆä»Ó·¢ÐԳɷֽøÐмø¶¨£¬Ó÷åÃæ»ý¹éÒ»»¯·¨¼ÆËã¸÷×é·ÖÏà¶Ô°Ù·Öº¬Á¿¡£½á¹û   ¹²¼ø¶¨³ö55»Ó·¢ÐÔÎïÖʳɷ֣¬»Ó·¢ÐÔÓлúÎï³É·ÖΪ47ÖÖ£¬Õ¼×ܺ¬Á¿µÄ80.49£¥£¬Ö÷Òª°üÀ¨ÍªÀà¡¢ßÁàºÀà¡¢´¼Àà¡¢ËáÀàµÈ15ÀàÓлú»Ó·¢Îï¡£½áÂÛ   Äɶ¹»Ó·¢ÐԳɷÖÖ÷ҪΪ´¨Üºàº£¨26.223%£©¡¢2,5-¶þ¼×»ùßÁຣ¨23.835%£©¡¢2,3-¶¡¶þͪ£¨15.648%£©¡¢Èý¼×»ùßÁຣ¨13.484%£©¡¢Èý¼×»ù¶ñßò£¨4.947%£©¡¢2-ÒÒ»ù-3,6-¶þ¼×»ùßÁຣ¨2.833%£©¡¢±ûËá2-ôÇ»ù-1-¼×»ùÒÒ»ùõ¥£¨1.803%£©¡¢2,3,5-Èý¼×»ù-6-´¨Üºàº£¨1.758%£©¡¢3-ôÇ»ù-2-¶¡Íª£¨1.676%£©¡¢´×ËáÒÒÏ©»ùõ¥£¨1.377%£©µÈ¡£
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ANALYSIS OF VOLATILE COMPONENTS FROM NATTO
Abstract £ºObjective  To analyze the natto in the main volatile components. Method of solid phase micro extraction and enrichment of volatile components in natto, a gas chromatography mass spectrometry (GC-MS) and its chemical components were identified, with the peak area normalization method to calculate the relative percentage of each component Sub content. Results  Identified 55 kinds of chemical composition, 47 kinds of volatile organic components of the total content of 80.49%,including pyrazines, pyrroles, pyridines, thiazoles,thiophenes, furans and sulfur components, aldehydes, ketones, alcohols, acids, esters, hydroxybenzenes, hydrocarbon.Conclusion  The main volatile components natto are Tetramethyl pyrazine£¨26.223%£©¡¢2,5-Dimethylpyrazine£¨23.835%£©¡¢2,3-Butanedione£¨15.648%£©¡¢Trimethyl pyrazine£¨13.484%£©¡¢trimethyl- Oxazole£¨4.947%£©¡¢2-Ethyl-3,6-dimethylpyrazine£¨2.833%£©¡¢2-hydroxy- 1-methylethyl ester£¨1.803%£©¡¢2,3,5-Trimethyl-6-ethylpyrazine£¨1.758%£©¡¢3-hydroxy-2-Butanone1.676%£©¡¢Acetic acid ethenyl ester£¨1.377%£© and so on¡£

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Keywords: Natto; volatile components; solid-phase microextraction; gas chromatography-mass spectrometry(GC-MS)

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