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Physicochemical properties and sensory acceptability of different varieties of coconut water and flesh
Atiq Nabihah Asaad1, Fadhilah Jailani2, Siti Roha Ab Mutalib3.
ABSTRACT
Coconut water is a sweet and refreshing drink obtained directly from the
immature coconut and its flesh is smooth with a jelly-like structure. In spite of
physicochemical properties of coconut water, its sensory characteristics are
not much studied. This study was carried out to evaluate the physicochemical
properties and sensory acceptability of different varieties of coconut water
and flesh. The varieties of coconut used in this study were tall, dwarf, and
hybrid coconut. Firstly, the weight of the coconuts were determined in which
the tall variety was the heaviest coconut compared to the others. Tall coconut
also showed a significantly higher amount of water volume and weight of
coconut flesh. The dwarf coconut water revealed the highest pH (5.48±
0.02) with the lower titratable acidity (0.045±0.01 %). The highest total
soluble solid (4.97±0.15 oBrix) was found in tall coconut. The fructose and
glucose content of coconut water of all varieties were found in a range of
2.70-3.58% and 2.04-3.24%, respectively. Potassium was the most abundant
mineral in all coconut samples in which a larger quantity was found in the
water of tall coconut and flesh of the dwarf coconut. The Folin–Ciocalteu
method showed that dwarf coconut water (9.07±0.00 mg GAE/100 ml)
and hybrid coconut flesh (11.57±0.34 mg GAE/100 g) had higher phenolic
content than the others. Hybrid coconut flesh exhibited the lowest crude
fat content (18.33±1.22 %) than others. Meanwhile, dwarf and hybrid
coconut water were more acceptable and appreciated in taste, sweetness,
sourness, and overall acceptability. Although the tall coconut flesh was the
least acceptable in taste and texture, all samples' overall acceptability was
acceptable. In conclusion, dwarf and hybrid coconut have a big potential
to produce high-quality beverages and have a good quality of flesh.
Affiliation:
- Universiti Teknologi MARA, Shah Alam Selangor , Malaysia
- Universiti Teknologi MARA, Shah Alam Selangor , Malaysia
- Universiti Teknologi MARA, Shah Alam Selangor , Malaysia
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