Nisin
Nisin is a natural antimicrobial peptide produced by Lactococcus lactis. It is widely used as a food preservative (E234) to inhibit the growth of bacteria, especially Gram-positive bacteria such as Listeria and Clostridium. Nisin is heat-stable, safe for consumption, and approved by WHO and FDA.
Uses
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Food industry: preservative in dairy, meat, canned food, beverages
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Pharmaceuticals: studied for antibacterial activity in medicines
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Cosmetics & personal care: to prevent bacterial growth in creams, lotions
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Animal feed: to control harmful bacteria and extend shelf life
Who Uses It?
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Food manufacturers (dairy, meat, beverages, canned goods)
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Pharmaceutical companies (research & antibacterial agents)
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Cosmetic industry (natural preservative)
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Animal feed producers
Safety & Storage
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Generally recognized as safe (GRAS)
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Typically used at very low concentrations (ppm level)
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Store in a cool, dry place, away from light and moisture
Nisin
Nisin ialah peptida antimikrob semula jadi yang dihasilkan oleh Lactococcus lactis. Ia digunakan secara meluas sebagai bahan pengawet makanan (E234) untuk menghalang pertumbuhan bakteria, terutamanya bakteria Gram-positif seperti Listeria dan Clostridium. Nisin tahan haba, selamat dimakan, dan diluluskan oleh WHO serta FDA.
Kegunaan
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Industri makanan: pengawet dalam produk tenusu, daging, makanan dalam tin, minuman
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Farmaseutikal: dikaji sebagai agen antibakteria dalam ubat
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Kosmetik & penjagaan diri: menghalang pertumbuhan bakteria dalam krim, losen
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Makanan ternakan: kawalan bakteria berbahaya & panjangkan jangka hayat makanan
Siapa yang Menggunakannya?
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Pengilang makanan (tenusu, daging, minuman, makanan dalam tin)
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Syarikat farmasi (penyelidikan & agen antibakteria)
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Industri kosmetik (pengawet semula jadi)
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Pengeluar makanan ternakan
Keselamatan & Penyimpanan
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Diiktiraf selamat (GRAS)
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Biasanya digunakan pada kepekatan yang sangat rendah (tahap ppm)
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Simpan di tempat sejuk, kering, jauh daripada cahaya & kelembapan
