Bazı lokal selülozik atıklar üzerinde kültürü yapılan Pleurotus ostreatus (Jacq.) P. Kumm.’un besin içeriği

Öz

Bu çalışmada, farklı selülozik atıkların Pleurotus ostreatus (Jacq.) P. Kumm.’un besin değerleri üzerine etkileri araştırılmıştır. P. ostreatus’un kuru madde, nem, ham protein, yağ ve kül içerikleri AOAC yöntemlerine göre analiz edildi. Ham protein içeriği Kjeldahl yöntemi ile ham yağ ise Soxhlet ekstraksiyonu ile belirlenmiştir. P. ostreatus’un kuru madde, nem, ham protein, yağ ve organik madde içerikleri kuru ağırlığın % 93.5-93.7, % 6.3-6.5, % 25.2-33.5, % 1.7-2.5, % 5.3-9.7 ve % 84.0-88.2 olarak bulunmuştur. Değişik lokal atıklar üzerinde yetiştirilen P. ostreatus’un kuru madde ve nem içeriklerinde istatistiksel olarak önemli bir fark bulunmadığı (p>0.05), fakat diğer besin öğeleri ise değişkenlik göstermektedir (p<0.05). Ham protein, kül, yağ ve organik madde miktarları önemli ölçüde değişiklik gösterirken, en düşük ham protein içeriği BS'de (% 25.2), en yüksek ise YS-BS (1:1) (% 33.5) ve YS-PA (1:1) (% 33.3) ortamlarında elde edilmiştir. P. ostreatus iyi bir protein kaynağı olarak oldukça değerli, yağ içerikleri bakımından ise oldukça düşüktür (% 1.7-2.5). P.ostreatus kültüründe kullanılan substrat ürünlerin, mantarın ham protein gibi besin bileşimini etkileyebileceği gözlemlendi.

Anahtar Kelimeler

• Besinsel içerik
• Pleurotus ostreatus
• Kültür mantarı
• Selülozik atık

Nutritive value of Pleurotus ostreatus (Jacq.) P. Kumm. grown on some cellulosic residues

Öz

In this study, the effects of different cellulosic wastes on the nutritional values of Pleurotus ostreatus (Jacq.) P. Kumm. were investigated. Dry matter, moisture, protein, fat and ash contents of P. ostreatus were analyzed according to AOAC methods. Crude protein and fat contents were determined by the Kjeldahl method and Soxhlet extraction, using ether as a solvent, respectively. Chemical composition of P. ostreatus such as dry matter, moisture, crude protein, fat and organic matter were 93.5-93.7%, 6.3-6.5%, 25.2-33.5%, 1.7-2.5%, 5.3-9.7% and 84.0-88.2% of dry weight, respectvely. There were no significant differences in dry matter and moisture content of P. ostreatus grown on various local residues (p>0.05), but changeable in other nutrient composition (p<0.05). Crude protein, ash, fat and organic matter varied significantly, the lowest protein content was obtained from WS (25.2%), whereas the highest was obtained in the mixture of MS-WS (1:1) (33.5%) and MS-PP (1:1) (33.3%). P. ostreatus is highly valued as a good source of protein (25-33%), but low in fat (1.7-2.5%). It was observed that the type of substrate used for cultivation of P. ostreatus could influence the crude protein content of the fruit bodies.

Anahtar Kelimeler

• Nutritive content
• Pleurotus ostreatus
• Mushroom cultivation
• Cellulosic waste

Kaynakça

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