2020
DOI: 10.3329/bjb.v49i3.49989
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Production of chitosan from Oyster mushroom for α-amylase immobilization

Abstract: Experiments were carried out to produce chitosan from a locally available mushroom and to use the produced chitosan as a matrix to immobilize α-amylase. On the basis of morphological characteristics and the sequence of the internal transcribed spacer region of the nuclear rDNA, the fungal sample was identified as Pleurotus ostreatus. The average crude chitin content in the dried fruit body of P. ostreatus was 24.11%. The average yield of chitosan from P. ostreatus was 163.3 mg/g dry weight and the degree of de… Show more

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Cited by 6 publications
(4 citation statements)
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“…The report of Elem and Uraka [14] who obtained a yield of 7.18 % chitosan from Laccaria laccata and 18.8 % from Laccaria amethysta were similar to those in the present finding. However, the yield of chitosan extracted from oyster mushroom (Pleurotus ostreatus) in the work of Kabir et al [15] was higher (16.6 %) than that obtained for the same mushroom species in the present study. The calculated yield as reported in this present investigation is also lower than the finding in the study of Majekodunmi et al [16] for bivalved mollusk shell (Mytilis edulis).…”
Section: Resultscontrasting
confidence: 82%
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“…The report of Elem and Uraka [14] who obtained a yield of 7.18 % chitosan from Laccaria laccata and 18.8 % from Laccaria amethysta were similar to those in the present finding. However, the yield of chitosan extracted from oyster mushroom (Pleurotus ostreatus) in the work of Kabir et al [15] was higher (16.6 %) than that obtained for the same mushroom species in the present study. The calculated yield as reported in this present investigation is also lower than the finding in the study of Majekodunmi et al [16] for bivalved mollusk shell (Mytilis edulis).…”
Section: Resultscontrasting
confidence: 82%
“…The calculated yield as reported in this present investigation is also lower than the finding in the study of Majekodunmi et al [16] for bivalved mollusk shell (Mytilis edulis). The observed chitosan yield variation, might have resulted from species variation, extraction protocol engaged as well as source of materials used for extraction [14,15].…”
Section: Resultsmentioning
confidence: 99%
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“…18 Every year, we import a tremendous amount of amylase for food, textile, pharmaceutical & detergent usage and in the different industrial sectors. [19][20][21] As a result, this sector is fully imported based and consumes huge amount of foreign currency every year. There is no enzyme industry in Bangladesh capable of responding to local demand.…”
Section: Introductionmentioning
confidence: 99%