Jurnal
Addition of Germicidal UV-C Radiation Equipment in the Sterilization Process to Extend the Shelf Life of Cow's Milk
Rekayasa · Vol. 22 No. 1 (2024) · hlm. 11–21
- ISSN
- 2527-6964, 0216-6631
- Terbit
- 2024-07-31
- Penerbit
- Universitas Negeri Semarang
- Bahasa
- eng
Abstrak
Cow's milk provides essential human nutrients, including calcium, protein, and minerals. However, it is highly susceptible to bacterial contamination, which leads to rapid spoilage. Pasteurization is the most common method to process cow's milk, effectively reducing microbial levels. However, some heat-resistant bacteria can survive the pasteurization process, limiting its effectiveness in ensuring long-term milk safety. This study investigates the use of chemical engineering technology by combining pasteurization and UV-C radiation methods, either sequentially or simultaneously, to improve the effectiveness of milk sterilization. The use of combined techniques aims to leverage the strengths of both processes, achieving superior microbial reduction and extending milk shelf life. Different operating temperatures and radiation durations were tested to identify optimal processing conditions. The findings revealed that this combined approach achieved a significant bacterial reduction of 99.95%, decreasing the microbial count from an initial 1.9 × 10⁶ cfu/mL to 7.0 × 10² cfu/mL. Moreover, the shelf life of the milk was extended to five months, demonstrating the effectiveness of the hybrid method. The study also monitored the milk's acidity (pH) throughout the process, which remained within optimal conditions of 6.5 to 6.8. This indicates that the combined treatment does not compromise milk quality. Integrating pasteurization with germicidal UV-C radiation offers a promising alternative for milk sterilization, improving microbial control and significantly increasing the shelf life of cow's milk. The results suggest that this dual-method approach could be a valuable advancement in dairy processing, enhancing both safety and efficiency in the production and preservation of milk.
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40 penulis · 115 tautan kepenulisan bersama · 10 lintas organisasi · menampilkan 40 yang paling banyak terhubung
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- State University of Semarang
- Universitas Ivet
- Universitas Tidar
- Organisasi berbeda
- Organisasi sama
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Tampilkan sebagai tabel
| Rekan penulis | Organisasi | Artikel bersama |
|---|---|---|
| Kriswanto Kriswanto | State University of Semarang | 3 |
| Rahmat Doni Widodo | State University of Semarang | 2 |
| Hendrix Noviyanto Firmansyah | State University of Semarang | 2 |
| Irawaty Irawaty | State University of Semarang | 2 |
| Fahmy Zuhda Bahtiar | Universitas Ivet | 1 |
| Fathur Rahman | Universitas Ivet | 1 |
| Nurul Burhan | Universitas Ivet | 1 |
| Pradana Hery Krismanto | State University of Semarang | 1 |
| Deni Fajar Fitriyana | State University of Semarang | 1 |
| Muttaqin Haqiqi | State University of Semarang | 1 |
| Sunyoto Sunyoto | State University of Semarang | 1 |
| Galang Tamami Akbar | State University of Semarang | 1 |
| Widya Hary Cahyati | State University of Semarang | 1 |
| Nurdian Susilowati | State University of Semarang | 1 |
| Nathanael Christian Satya Wijaya | State University of Semarang | 1 |
| Zoeraia Fathia Utamie | State University of Semarang | 1 |
| Amir Mahmud | State University of Semarang | 1 |
| Rahma Dhani Fatonah | State University of Semarang | 1 |
| Lilis Hartati | Universitas Tidar | 1 |
| Duhita Driyah Suprapti | State University of Semarang | 1 |
| Dani Muhtada | State University of Semarang | 1 |
| Yoris Adi Maretta | State University of Semarang | 1 |
| Godham Eko Saputro | State University of Semarang | 1 |
| Aldias Bahatmaka | State University of Semarang | 1 |
| Sunyoto Sunyoto | State University of Semarang | 1 |
| Eny Widhia Agustin | State University of Semarang | 1 |
| Fransisca Widhi Mahatmanti | State University of Semarang | 1 |
| Maulida Zakia | State University of Semarang | 1 |
| Safna Rahma Wati | State University of Semarang | 1 |
| Berliana Putri Rahmalia | State University of Semarang | 1 |
| Dea Maulana | State University of Semarang | 1 |
| Amelia Putri Widiastuti | State University of Semarang | 1 |
| Laili Nailil Muna | State University of Semarang | 1 |
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