食品中氨基酸分析怎么做？三种检测技术对比与选择指南
鈥?strong>鈥?杩欏寘濠村辜鍎跨背绮夋爣鐫€鍚湁20绉嶆皑鍩洪吀锛屼笉浼氭槸鏅哄晢绋庡惂锛?鈥?/strong>鈥?br/> 涓婂懆琛ㄥ鍦ㄥ鏃忕兢閲岀敥鍑鸿繖涓棶棰橈紝鎶婁竷澶у鍏ぇ濮ㄩ兘鐐稿嚭鏉ヤ簡銆傚埆璇达紝鐜板湪杩炴场闈㈠寘瑁呴兘寮€濮嬫爣姒滄皑鍩洪吀鍚噺锛屽彲鍒板簳鎬庝箞楠岃瘉锛熶粖澶╁挶灏辨幇寮€鎻夌浜嗚亰锛屼繚浣犵湅瀹岃兘褰撳崐涓笓瀹讹紒
馃嵓涓€銆佹娴嬮鍝佹皑鍩洪吀鐨勪笁澶ч噾鍒?/h3>
鍜变滑鍏堣璇嗕笅姹熸箹涓婃渶甯哥敤鐨勪笁鎶?鐓у闀?锛?/p>
- 鈥?strong>鈥婬PLC娉曪紙娑茬浉鑹茶氨锛夆€?/strong>鈥嬶細瀹為獙瀹ら噷鐨勭灏旀懇鏂?/li>
- 鈥?strong>鈥嬪垎鍏夊厜搴︽硶鈥?/strong>鈥嬶細蹇鎽婁綅鐨勯棯鐢典緺
- 鈥?strong>鈥嬫皑鍩洪吀鍒嗘瀽浠€?/strong>鈥嬶細鍦熻豹鐜╁鐨勫彉褰㈤噾鍒?/li>
杩欎笁鍏勫紵鍚勬湁缁濇椿锛屼絾鐢ㄨ捣鏉ュ樊鍒彲澶т簡鍘讳簡銆備笅闈㈠挶浠尐涓墥寮€鐪嬶紒
馃攳銆怘PLC娉曪細绮惧噯鍒拌浣犳€€鐤戜汉鐢熴€?/h4>
鈥?strong>鈥嬧枍鎿嶄綔娴佺▼鈥?/strong>鈥?/p>
- 鎶婂ザ绮?绫崇矇娉″湪6mol/L鐩愰吀閲岀叜12灏忔椂锛堚殸锔忔敞鎰忛€氶锛佸埆闂垜鏄€庝箞鐭ラ亾鐨勶級
- 鐢?.22渭m婊よ啘杩囨护锛堣繖涓€姝ヨ兘绛涙帀鎹ｄ贡鐨勮剛鑲垎瀛愶級
- 涓婃満妫€娴嬶紝鐩潃鐢佃剳灞忓箷鐪嬭姳鑺辩豢缁跨殑宄板舰
鈥?strong>鈥嬧枍瀹炴垬缈昏溅妗堜緥鈥?/strong>鈥?br/> 鍘诲勾甯湅鍙嬫娴嬭泲鐧芥锛屽浘璋辩獊鐒跺嚭鐜板弻鑳炶儙宄般€傛姌鑵句笁澶╂墠鍙戠幇鏄按瑙ｆ椂娓╁害楂樹簡2鈩冿紝瀵艰嚧鑹叉皑閰稿垎瑙ｂ€斺€旀墍浠ヨ鍟婏紝杩欑帺鎰忓効姣斾己鍊欐湀瀛愯繕绮剧粏锛?/p>
鈥?strong>鈥嬧枍閫傚悎璋佺敤鈥?/strong>鈥?br/> 馃憠璐ㄦ鏈烘瀯 馃憠瑕佸彂璁烘枃鐨勭爺绌剁敓 馃憠璺熷巶瀹惰緝鐪熺殑缁存潈杈句汉
鈿°€愬垎鍏夊厜搴︽硶锛氫笁鍒嗛挓鍑虹粨鏋滅殑榄旀硶銆?/h4>
鈥?strong>鈥嬧枍鏍稿績鍘熺悊鈥?/strong>鈥?br/> 姘ㄥ熀閰?鑼氫笁閰?绱壊鏄捐壊鍙嶅簲锛堣窡pH璇曠焊鍙樿壊涓€涓亾鐞嗭級
鈥?strong>鈥嬧枍鐪侀挶濡欐嫑鈥?/strong>鈥?br/> 鏌愬疂涓?00鍧楀氨鑳戒拱濂楄锛屾搷浣滄瘮娉℃柟渚块潰杩樼畝鍗曪細
- 纰剧鏍峰搧涓㈣瘯绠?/li>
- 鍔犺瘯鍓傛憞涓€鎽?/li>
- 姣旇壊鍗″鐓ц鏁?/li>
鈥?strong>鈥嬧枍鑷村懡缂洪櫡鈥?/strong>鈥?br/> 娴嬩笉鍑哄崟涓皑鍩洪吀锛佸氨鍍忎綋妫€鍙憡璇変綘"鏈夌梾"锛屼絾涓嶈鍟ョ梾...
鈥?strong>鈥嬧枍閫傚悎璋佺敤鈥?/strong>鈥?br/> 馃憠椋熷搧鍘傝嚜妫€ 馃憠绀惧尯蹇绔?馃憠濂藉蹇冪垎鐐哥殑鍘ㄦ埧灏忕櫧
馃銆愭皑鍩洪吀鍒嗘瀽浠細浜烘皯甯佺帺瀹剁殑蹇箰銆?/h4>
杩欒揣鍏跺疄鏄疕PLC鐨勯《閰嶇増锛岃嚜甯?7绉嶆皑鍩洪吀鏍囧噯鏇茬嚎銆傛搷浣滄湁澶氱埥锛?/p>
- 濉炴牱鍝?鈫?2. 鐐?寮€濮? 鈫?3. 鍠濇澂鍜栧暋绛夋姤鍛?/li>
浣嗙淮鎶ゆ垚鏈兘鍚撳摥浣狅細
- 姣忔牴鑹茶氨鏌扁増鏈€鏂版iPhone
- 姣忔湀缁存姢璐光増鍋ヨ韩鎴垮勾鍗?/li>
- 鎿嶄綔鍛樺伐璧勨増绋嬪簭鍛樼澶寸▼搴?/li>
馃搳涓夈€佺‖鏍稿姣旇〃锛堝缓璁敹钘忥級
| 鎸囨爣 | HPLC娉?/th> | 鍒嗗厜鍏夊害娉?/th> | 姘ㄥ熀閰稿垎鏋愪华 |
|---|---|---|---|
| 鈥?strong>鈥嬫娴嬬簿搴︹€?/strong>鈥?/td> | 0.1渭g/mL 馃弳 | 鍙兘娴嬫€婚噺 馃槄 | 0.05渭g/mL 馃殌 |
| 鈥?strong>鈥嬫娴嬮€熷害鈥?/strong>鈥?/td> | 2灏忔椂/鏍?馃悽 | 20鍒嗛挓/鏍?鈿?/td> | 30鍒嗛挓/鏍?馃晵 |
| 鈥?strong>鈥嬭澶囨垚鏈€?/strong>鈥?/td> | 30涓囪捣璺?馃捀 | 200鍧楁悶瀹?馃 | 100涓? 馃拵 |
| 鈥?strong>鈥嬫搷浣滈毦搴︹€?/strong>鈥?/td> | 闇€瑕佽€佸徃鏈?馃И | 鏈夋墜灏变細 馃憤 | 鍏ㄨ嚜鍔?馃 |
馃毃鍥涖€侀€夋柟娉曠殑涓夊ぇ榛勯噾娉曞垯
- 鈥?strong>鈥嬬湅閽卞寘鍘氬害鈥?/strong>鈥嬶細
瀛︾敓鍏氶€夊垎鍏夊厜搴︽硶锛岀鐮旂嫍鐢℉PLC锛屽湡璞鐩存帴涓婂垎鏋愪华 - 鈥?strong>鈥嬬湅妫€娴嬬洰鐨勨€?/strong>鈥嬶細
鎵撳亣闇€瑕佺簿鍑嗘暟鎹紵蹇呴』HPLC锛佹棩甯哥洃鎺ч€夊揩妫€ - 鈥?strong>鈥嬬湅鏍峰搧绫诲瀷鈥?/strong>鈥嬶細
娑蹭綋鏍峰搧浼樺厛蹇锛屽浐浣?澶嶆潅鏍峰搧涔栦箹鐢ㄨ壊璋辨硶
馃挕鐙骞茶揣锛氳涓氫笉鑳借鐨勭瀵?/h3>
鍘诲勾鏌愭娴嬫満鏋勭垎鏂欙細鐢ㄤ笉鍚屾柟娉曟祴鍚屾濂剁矇姘ㄥ熀閰告€婚噺锛岀粨鏋滆兘宸?5%锛佸叿浣撴潵璇达細
- 蹇娉曪細18.6g/100g
- HPLC娉曪細17.2g/100g
- 鍒嗘瀽浠細16.8g/100g
鎵€浠ヤ笅娆＄湅鍒版娴嬫姤鍛婏紝鍏堢湅鐢ㄧ殑浠€涔堟柟娉曗€斺€斿氨鍍忎拱琛ｆ湇瑕佺湅鎴愬垎琛紝杩欎釜鏁板瓧娓告垙鍙繁浜嗗幓浜嗭紒
鈥?strong>鈥嬫渶鍚庤鍙ユ帍蹇冪獫鐨勨€?/strong>鈥嬶細妫€娴嬭繖浜嬪効灏辫窡璋堟亱鐖变技鐨勶紝娌℃湁鏈€濂界殑鏂规硶锛屽彧鏈夋渶閫傚悎鐨勩€傛櫘閫氭秷璐硅€呯湡鎯宠緝鐪燂紝寤鸿鑺?00鍧楁壘CMA璁よ瘉瀹為獙瀹ゆ祴涓€娆★紝姣斾拱鍗佺淇濆仴鍝侀兘鍊硷紒姣曠珶鍚冭繘鑲氬瓙閲岀殑涓滆タ锛岃繕鏄緱鏄庢槑鐧界櫧鎵嶆斁蹇冿紝鎮ㄨ鏄笉鏄繖涓悊鍎匡紵
本文由嘻道妙招独家原创，未经允许，严禁转载