การรักษาสีเขียวของใบไผ่บางชนิด
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Abstract
This study aimed to study the species, method, and storage time that show the significant potential in green retention for selected bamboo leaves. This will particularly lead to promote the utilization of bamboo leaves for dish decoration. Green color retention techniques for asparagus were applied for the three large-leaf and commonly used bamboo species; i.e. Dendrocalamus asper, Gigantochloa ligulata and G. latifolia. Five treatments were adopted; (1) bare leaves (control), (2) leaves soaked with 0.3 %w/v Mg (OH)2 for 4 min, (3) leaves boiled with 0.5 %w/v MgCO3 for 4 min, (4) leaves boiled with 1 %w/v NaHCO3 for 4 min, and (5) leaves boiled with 0.2 %w/v NH4HCO3 for 4 min. The leaf samples were then subjected to be kept in a vacuum bag at 4 ºC for 30, 60 and 90 days. The results showed that correlation among species, method, and storage time are statistically significant (a ≤ 0.05). The leaves of G. ligulata boiled with 1 %w/v NH4HCO3 for 4 min can retain the green color the most and also can maintain the green color up to 60 days according to CIELAB systems.
Article Details
บทความที่ได้รับการตีพิมพ์เป็นลิขสิทธิ์ของคณะวิทยาศาสตร์และเทคโนโลยี มหาวิทยาลัยธรรมศาสตร์ ข้อความที่ปรากฏในแต่ละเรื่องของวารสารเล่มนี้เป็นเพียงความเห็นส่วนตัวของผู้เขียน ไม่มีความเกี่ยวข้องกับคณะวิทยาศาสตร์และเทคโนโลยี หรือคณาจารย์ท่านอื่นในมหาวิทยาลัยธรรมศาสตร์ ผู้เขียนต้องยืนยันว่าความรับผิดชอบต่อทุกข้อความที่นำเสนอไว้ในบทความของตน หากมีข้อผิดพลาดหรือความไม่ถูกต้องใด ๆ
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