สืบค้นงานวิจัย
Fast and simple method for semiquantitative determination of calcium propionate in bread samples
Phechkrajang C.M. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Fast and simple method for semiquantitative determination of calcium propionate in bread samples
ผู้แต่ง / หัวหน้าโครงการ (EN): Phechkrajang C.M.
บทคัดย่อ (EN): Calcium propionate has been widely used as a preservative in bakery and in bread. It is sometimes not carefully used, or a high concentration is added to preserve products. High consumption of calcium propionate can lead to several health problems. This study aims to develop a fast and simple semiquantitative method based on color complex formation for the determination of calcium propionate in a bread sample. A red–brown complex was obtained from the reaction of ferric ammonium sulfate and propionate anion. The product was rapidly formed and easily observed with the concentration of propionate anion >0.4 mg/mL. A high-performance liquid chromatography (HPLC) method was also developed and validated for comparison. Twenty-two bread samples from three markets near Bangkok were randomly selected and assayed for calcium propionate using the above two developed methods. The results showed that 19/22 samples contained calcium propionate >2000 mg/kg. The results of the complex formation method agreed with the HPLC method. © 2016
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84973557287&doi=10.1016%2fj.jfda.2016.03.013&partnerID=40&md5=6c0bc43c6ebc8fbcb62201bcc4184d1a
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Thailand
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Fast and simple method for semiquantitative determination of calcium propionate in bread samples
Phechkrajang C.M.
มหาวิทยาลัยมหิดล
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