เอกสารการประชุมวิชาการและเสนอผลงานวิจัย มหาวิทยาลัยทักษิณ ครั้งที่ 19 2552 - page 1353

„µ¦ž¦³»¤ª·µ„µ¦Â¨³Áœ°Ÿ¨Šµœª·‹´¥¤®µª·š¥µ¨´¥š´„¬·– ‡¦´Ê Šš¸É 19 ž¦³‹Îµže 2552
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„µ¦ª·Á‡¦µ³®r Ÿ¨š—¨°Š
„µ¦¼Á¸¥œÊ宜´„ (Weight loss)
Ĝ¦³®ªn µŠ„µ¦Á„ȝ¦´„¬µ šÎ µ„µ¦´œš¹„œÊ宜´ „„n °œ„µ¦Á„ȝ¦´ „¬µÂ¨³®¨´ Š„µ¦Á„ȝ¦´„¬µš»„ 2 ª´œ œÎµ
œÊÎ µ®œ´„š¸Éŗo ¤µ‡·—Áž}œ¦o °¥¨³„µ¦¼Á¸¥œÊ宜´„
„µ¦Áž¨¸É¥œÂž¨Š °Š¸Áž¨º°„¨°Š„°Š (Color change)
šÎ µ„µ¦ª´—¸Áž¨º°„Ÿ¨¨°Š„°Š ץčoÁ‡¦ºÉ°Šª´—¸ (Color flex HunterLab) Ĝ„µ¦ª´ —‹³Äoª´—ÂœÄ®o ´ ¤Ÿ´
„´Ÿ·ª °ŠŸ¨¨°Š„°Š˜¦Š„¨µŠŸ¨Ä®o ŗo¤µ„š¸É »—¨³¦µ¥ŠµœŸ¨Áž}œ‡nµ Hue angle Ĝ‡nµ Hunter’s scale
„µ¦Á„·—¸œÊ嘵¨ (Browning Score)
˜¦ª‹„µ¦Á„· —¸œÊÎ µ˜µ¨ °ŠŸ·ªÁž¨º°„¨°Š„°ŠÂ¨³Ä®o‡³Âœœ —´ Šœ¸Ê
1 = ŤnÁ„·—¸œÊÎ µ˜µ¨ 2 = Á„·—¸œÊ嘵¨Á¨È„œo°¥ Áž}œ‹» —Ç 3 = Á„·—¸œÊÎ µ˜µ¨œo°¥„ªnµ 25 % °Š¡ºÊœš¸ÉŸ·ªŸ¨š´ÊŠ®¤—
4 = Á„·—¸œÊ嘵¨ 25-50 % °Š¡ºÊœš¸ÉŸ·ªŸ¨š´Ê Š®¤— 5 = Á„·—¸œÊÎ µ˜µ¨¤µ„„ªnµ 50 % °Š¡ºÊœš¸ÉŸ·ªŸ¨š´ÊŠ®¤—
1 ‡³Âœœ 2 ‡³Âœœ 3 ‡³Âœœ
4 ‡³Âœœ 5 ‡³Âœœ
ž¦·¤µ– °ŠÂ Ȋš¸É¨³¨µ¥œÊεŗo (Total Soluble solid, TSS)
ª´—‡ªµ¤®ªµœÄœ¦¼ž °Šž¦· ¤µ– °ŠÂ Ȋš¸É¨³¨µ¥Å—oš´Ê Š®¤— (Total Soluble solid, TSS) ‹µ„nªœš¸ÉÁž}œ
°ŠÁ®¨ªš¸Éŗo ‹µ„ÁœºÊ°Ÿ¨¨°Š„°Š ץčo Hand Refractometer ‡nµš¸Éŗo Áž}œ°Š«µ¦·„Žr (°Brix)
ž¦·¤µ–„¦—š¸ÉŘÁ˜¦šÅ—o (Total acidity, TA)
œÎ µœÊε‡´Êœ‹µ„nªœÁœºÊ ° °ŠŸ¨¨°Š„°Š‹Îµœªœ 5 ¤· ¨¨·¨·˜¦ ŘÁ˜¦š—o ª¥µ¦¨³¨µ¥ NaOH ‡ªµ¤Á o¤ oœ 0.1
œ°¦r¤´¨ ץčo µ¦¨³¨µ¥ phenolphthalein ‡ªµ¤Á o¤ oœ 1 Áž°¦r ÁŽÈœ˜r ž¦·¤µ– 1-2 ®¥— Áž}œ indicator ‹œ™¹ Š‹»—¥» ˜·
(Á¤ºÉ°µ¦¨³¨µ¥¤¸ ¸¤¡¼°¥nµŠœo°¥ 30 ª·œµš¸)