Vol. 12 No. 2 (2023): July – December 2023

Research article

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  Method validation for determination of mitragynine in Kratom leaf extract by high performance liquid chromatography

  Subongkoch Subtaeng, Thidarat Kruatian, Pattamaporn Jitpreeda, Worrawit Wanitsuwan

  10-22

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  Browning kinetics of egg white during high-temperature process

  Chairath Tangduangdee, Suvaluk Asavasanti, Kanruethai Taichan

  23-34

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  Development of radiation shielding material based on natural rubber/ boron oxide and metal oxide composites

  Nichapa Buasuwan, Orawan Pinprayoon, Siriporn Changnoi, Thiti Rungseesumran

  35-54

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  Quantitative study of absorbable organic halides (AOX) residual in natural fiber-containing-fabric in Thailand

  Chanakarn Chucheepchuenkamol, Orawan Promson, Korpong Hongsri

  55-65

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  Investigation of microbiological quality of dietary supplement products

  Tanutcha Patipong, Naritsara Tatsawong, Jarunee Meksuwan, Theera Panthipamporn, Nopamart Sapoo

  66-81

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  The Performance Test of Domestically-Built Powered Air Purifying Respirator with Hood (PAPR), During The Pandemic of COVID-19 in Thailand

  surisa suriyoporn, Ekarat Meechoowas, Sathirakul Sathirakul, Kanit Tapasa, Pongsathorn Chomdee

  82-96

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